Financial Metrics

ALKS Alkermes plc.

Range: 2016-01-01 to 2026-04-29

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Financial Statements

Grouped by statement

Income Statement

Frequency	Period End	Value	% Chg	Unit	Form	Filed
Quarterly	2021-06-30	0.01	—	USD/shares	10-Q	2022-07-27
Quarterly	2021-09-30	-0.18	-1900.0%	USD/shares	10-Q	2022-11-02
Quarterly	2022-03-31	-0.22	-22.2%	USD/shares	10-Q	2023-04-26
Quarterly	2022-06-30	-0.18	+18.2%	USD/shares	10-Q	2023-07-26
Quarterly	2022-09-30	-0.39	-116.7%	USD/shares	10-Q	2023-10-25
Quarterly	2023-03-31	-0.25	+35.9%	USD/shares	10-Q	2024-05-01
Quarterly	2023-06-30	1.38	+652.0%	USD/shares	10-Q	2024-07-24
Quarterly	2023-09-30	0.28	-79.7%	USD/shares	10-Q	2024-10-24
Quarterly	2024-03-31	0.21	-25.0%	USD/shares	10-Q	2025-05-01
Quarterly	2024-06-30	0.53	+152.4%	USD/shares	10-Q	2025-07-29
Quarterly	2024-09-30	0.55	+3.8%	USD/shares	10-Q	2025-10-28
Quarterly	2025-03-31	0.13	-76.4%	USD/shares	10-Q	2025-05-01
Quarterly	2025-06-30	0.52	+300.0%	USD/shares	10-Q	2025-07-29
Quarterly	2025-09-30	0.49	-5.8%	USD/shares	10-Q	2025-10-28
Annual	2020-12-31	-0.7	—	USD/shares	10-K	2023-02-16
Annual	2021-12-31	-0.29	+58.6%	USD/shares	10-K	2024-02-21
Annual	2022-12-31	-0.97	-234.5%	USD/shares	10-K	2025-02-12
Annual	2023-12-31	2.1	+316.5%	USD/shares	10-K	2026-02-25
Annual	2024-12-31	2.17	+3.3%	USD/shares	10-K	2026-02-25
Annual	2025-12-31	1.43	-34.1%	USD/shares	10-K	2026-02-25

Balance Sheet

Frequency	Period End	Value	% Chg	Unit	Form	Filed
Quarterly	2016-03-31	348489000.0	—	USD	10-Q	2016-04-28
Quarterly	2016-06-30	347033000.0	-0.4%	USD	10-Q	2016-07-28
Quarterly	2016-09-30	285576000.0	-17.7%	USD	10-Q	2016-11-02
Quarterly	2016-12-31	280666000.0	-1.7%	USD	10-Q	2017-10-26
Quarterly	2017-03-31	280109000.0	-0.2%	USD	10-Q	2017-04-27
Quarterly	2017-06-30	279552000.0	-0.2%	USD	10-Q	2017-07-27
Quarterly	2017-09-30	278994000.0	-0.2%	USD	10-Q	2017-10-26
Quarterly	2017-12-31	278436000.0	-0.2%	USD	10-Q	2018-10-23
Quarterly	2018-03-31	278088000.0	-0.1%	USD	10-Q	2018-04-26
Quarterly	2018-06-30	277548000.0	-0.2%	USD	10-Q	2018-07-26
Quarterly	2018-09-30	277007000.0	-0.2%	USD	10-Q	2018-10-23
Quarterly	2018-12-31	276465000.0	-0.2%	USD	10-Q	2019-10-23
Quarterly	2019-03-31	275923000.0	-0.2%	USD	10-Q	2019-04-25
Quarterly	2019-06-30	275381000.0	-0.2%	USD	10-Q	2019-07-25
Quarterly	2019-09-30	274838000.0	-0.2%	USD	10-Q	2019-10-23
Quarterly	2019-12-31	274295000.0	-0.2%	USD	10-Q	2020-10-29
Quarterly	2020-03-31	273751000.0	-0.2%	USD	10-Q	2020-04-29
Quarterly	2020-06-30	273207000.0	-0.2%	USD	10-Q	2020-07-29
Quarterly	2020-09-30	272663000.0	-0.2%	USD	10-Q	2020-10-29
Quarterly	2020-12-31	272118000.0	-0.2%	USD	10-Q	2021-10-27
Quarterly	2021-03-31	294702000.0	+8.3%	USD	10-Q	2021-04-28
Quarterly	2021-06-30	294070000.0	-0.2%	USD	10-Q	2021-07-28
Quarterly	2021-09-30	293437000.0	-0.2%	USD	10-Q	2021-10-27
Quarterly	2021-12-31	292804000.0	-0.2%	USD	10-Q	2022-11-02
Quarterly	2022-03-31	292171000.0	-0.2%	USD	10-Q	2022-04-27
Quarterly	2022-06-30	291537000.0	-0.2%	USD	10-Q	2022-07-27
Quarterly	2022-09-30	290904000.0	-0.2%	USD	10-Q	2022-11-02
Quarterly	2022-12-31	290270000.0	-0.2%	USD	10-Q	2023-10-25
Quarterly	2023-03-31	289635000.0	-0.2%	USD	10-Q	2023-04-26
Quarterly	2023-06-30	289001000.0	-0.2%	USD	10-Q	2023-07-26
Quarterly	2023-09-30	288366000.0	-0.2%	USD	10-Q	2023-10-25
Quarterly	2023-12-31	287730000.0	-0.2%	USD	10-Q	2024-10-24
Quarterly	2024-03-31	287095000.0	-0.2%	USD	10-Q	2024-05-01
Quarterly	2024-06-30	286459000.0	-0.2%	USD	10-Q	2024-07-24
Quarterly	2024-09-30	285823000.0	-0.2%	USD	10-Q	2024-10-24
Annual	2016-12-31	280666000.0	—	USD	10-K	2018-02-16
Annual	2017-12-31	278436000.0	-0.8%	USD	10-K	2019-02-15
Annual	2018-12-31	276465000.0	-0.7%	USD	10-K	2020-02-13
Annual	2019-12-31	274295000.0	-0.8%	USD	10-K	2021-02-11
Annual	2020-12-31	272118000.0	-0.8%	USD	10-K	2022-02-16
Annual	2021-12-31	292804000.0	+7.6%	USD	10-K	2023-02-16
Annual	2022-12-31	290270000.0	-0.9%	USD	10-K	2024-02-21
Annual	2023-12-31	287730000.0	-0.9%	USD	10-K	2025-02-12

Cash Flow

Frequency	Period End	Value	% Chg	Unit	Form	Filed
Quarterly	2016-03-31	12009000.0	—	USD	10-Q	2017-04-27
Quarterly	2016-06-30	22280000.0	+85.5%	USD	10-Q	2017-07-27
Quarterly	2016-09-30	33787000.0	+51.6%	USD	10-Q	2017-10-26
Quarterly	2017-03-31	9382000.0	-72.2%	USD	10-Q	2018-04-26
Quarterly	2017-06-30	20656000.0	+120.2%	USD	10-Q	2018-07-26
Quarterly	2017-09-30	33482000.0	+62.1%	USD	10-Q	2018-10-23
Quarterly	2018-03-31	18485000.0	-44.8%	USD	10-Q	2019-04-25
Quarterly	2018-06-30	35420000.0	+91.6%	USD	10-Q	2019-07-25
Quarterly	2018-09-30	51841000.0	+46.4%	USD	10-Q	2019-10-23
Quarterly	2019-03-31	23639000.0	-54.4%	USD	10-Q	2020-04-29
Quarterly	2019-06-30	39542000.0	+67.3%	USD	10-Q	2020-07-29
Quarterly	2019-09-30	58972000.0	+49.1%	USD	10-Q	2020-10-29
Quarterly	2020-03-31	19799000.0	-66.4%	USD	10-Q	2021-04-28
Quarterly	2020-06-30	30372000.0	+53.4%	USD	10-Q	2021-07-28
Quarterly	2020-09-30	36780000.0	+21.1%	USD	10-Q	2021-10-27
Quarterly	2021-03-31	7986000.0	-78.3%	USD	10-Q	2022-04-27
Quarterly	2021-06-30	14546000.0	+82.1%	USD	10-Q	2022-07-27
Quarterly	2021-09-30	19359000.0	+33.1%	USD	10-Q	2022-11-02
Quarterly	2022-03-31	7791000.0	-59.8%	USD	10-Q	2023-04-26
Quarterly	2022-06-30	17753000.0	+127.9%	USD	10-Q	2023-07-26
Quarterly	2022-09-30	28227000.0	+59.0%	USD	10-Q	2023-10-25
Quarterly	2023-03-31	6860000.0	-75.7%	USD	10-Q	2024-05-01
Quarterly	2023-06-30	16565000.0	+141.5%	USD	10-Q	2024-07-24
Quarterly	2023-09-30	31018000.0	+87.3%	USD	10-Q	2024-10-24
Quarterly	2024-03-31	8342000.0	-73.1%	USD	10-Q	2025-05-01
Quarterly	2024-06-30	15453000.0	+85.2%	USD	10-Q	2025-07-29
Quarterly	2024-09-30	23711000.0	+53.4%	USD	10-Q	2025-10-28
Quarterly	2025-03-31	10110000.0	-57.4%	USD	10-Q	2025-05-01
Quarterly	2025-06-30	23126000.0	+128.7%	USD	10-Q	2025-07-29
Quarterly	2025-09-30	40440000.0	+74.9%	USD	10-Q	2025-10-28
Annual	2016-12-31	43657000.0	—	USD	10-K	2019-02-15
Annual	2017-12-31	51300000.0	+17.5%	USD	10-K	2020-02-13
Annual	2018-12-31	69431000.0	+35.3%	USD	10-K	2021-02-11
Annual	2019-12-31	90942000.0	+31.0%	USD	10-K	2022-02-16
Annual	2020-12-31	42219000.0	-53.6%	USD	10-K	2023-02-16
Annual	2021-12-31	28020000.0	-33.6%	USD	10-K	2024-02-21
Annual	2022-12-31	38255000.0	+36.5%	USD	10-K	2025-02-12
Annual	2023-12-31	48048000.0	+25.6%	USD	10-K	2026-02-25
Annual	2024-12-31	33484000.0	-30.3%	USD	10-K	2026-02-25
Annual	2025-12-31	40420000.0	+20.7%	USD	10-K	2026-02-25

Share Data

Frequency	Period End	Value	% Chg	Unit	Form	Filed
Quarterly	2016-03-31	150825000.0	—	shares	10-Q	2017-04-27
Quarterly	2016-06-30	151301000.0	+0.3%	shares	10-Q	2017-07-27
Quarterly	2016-09-30	151652000.0	+0.2%	shares	10-Q	2017-10-26
Quarterly	2017-03-31	152704000.0	+0.7%	shares	10-Q	2018-04-26
Quarterly	2017-06-30	153392000.0	+0.5%	shares	10-Q	2018-07-26
Quarterly	2017-09-30	153684000.0	+0.2%	shares	10-Q	2018-10-23
Quarterly	2018-03-31	154424000.0	+0.5%	shares	10-Q	2019-04-25
Quarterly	2018-06-30	155176000.0	+0.5%	shares	10-Q	2019-07-25
Quarterly	2018-09-30	155328000.0	+0.1%	shares	10-Q	2019-10-23
Quarterly	2019-03-31	156336000.0	+0.6%	shares	10-Q	2020-04-29
Quarterly	2019-06-30	156991000.0	+0.4%	shares	10-Q	2020-07-29
Quarterly	2019-09-30	157199000.0	+0.1%	shares	10-Q	2020-10-29
Quarterly	2020-03-31	158095000.0	+0.6%	shares	10-Q	2021-04-28
Quarterly	2020-06-30	158895000.0	+0.5%	shares	10-Q	2021-07-28
Quarterly	2020-09-30	159062000.0	+0.1%	shares	10-Q	2021-10-27
Quarterly	2021-03-31	159634000.0	+0.4%	shares	10-Q	2022-04-27
Quarterly	2021-06-30	163937000.0	+2.7%	shares	10-Q	2022-07-27
Quarterly	2021-09-30	161456000.0	-1.5%	shares	10-Q	2022-11-02
Quarterly	2022-03-31	162483000.0	+0.6%	shares	10-Q	2023-04-26
Quarterly	2022-06-30	163839000.0	+0.8%	shares	10-Q	2023-07-26
Quarterly	2022-09-30	164282000.0	+0.3%	shares	10-Q	2023-10-25
Quarterly	2023-03-31	165085000.0	+0.5%	shares	10-Q	2024-05-01
Quarterly	2023-06-30	171553000.0	+3.9%	shares	10-Q	2024-07-24
Quarterly	2023-09-30	171903000.0	+0.2%	shares	10-Q	2024-10-24
Quarterly	2024-03-31	172981000.0	+0.6%	shares	10-Q	2025-05-01
Quarterly	2024-06-30	170977000.0	-1.2%	shares	10-Q	2025-07-29
Quarterly	2024-09-30	167025000.0	-2.3%	shares	10-Q	2025-10-28
Quarterly	2025-03-31	168737000.0	+1.0%	shares	10-Q	2025-05-01
Quarterly	2025-06-30	168357000.0	-0.2%	shares	10-Q	2025-07-29
Quarterly	2025-09-30	168510000.0	+0.1%	shares	10-Q	2025-10-28
Annual	2016-12-31	151484000.0	—	shares	10-K	2019-02-15
Annual	2017-12-31	153415000.0	+1.3%	shares	10-K	2020-02-13
Annual	2018-12-31	155112000.0	+1.1%	shares	10-K	2021-02-11
Annual	2019-12-31	157051000.0	+1.3%	shares	10-K	2022-02-16
Annual	2020-12-31	158803000.0	+1.1%	shares	10-K	2023-02-16
Annual	2021-12-31	164753000.0	+3.7%	shares	10-K	2024-02-21
Annual	2022-12-31	163742000.0	-0.6%	shares	10-K	2025-02-12
Annual	2023-12-31	169730000.0	+3.7%	shares	10-K	2026-02-25
Annual	2024-12-31	169198000.0	-0.3%	shares	10-K	2026-02-25
Annual	2025-12-31	168743000.0	-0.3%	shares	10-K	2026-02-25

Credit and Bond Coverage

Company-level

Long-Term Debt (latest annual)

287,730,000

Total Liabilities (latest annual)

667,698,000

Current Liabilities (latest annual)

543,437,000

Metrics

Frequency	Period End	Value	% Chg	Unit	Form	Filed
Quarterly	2016-06-30	-0.1002	—	ratio	10-Q	2017-07-27
Quarterly	2016-09-30	-0.1548	-54.5%	ratio	10-Q	2017-10-26
Quarterly	2017-03-31	-0.0566	+63.4%	ratio	10-Q	2018-04-26
Quarterly	2017-06-30	-0.0931	-64.4%	ratio	10-Q	2018-07-26
Quarterly	2017-09-30	-0.0306	+67.2%	ratio	10-Q	2018-10-23
Quarterly	2018-03-31	-0.0541	-77.0%	ratio	10-Q	2019-10-23
Quarterly	2018-06-30	-0.0282	+47.9%	ratio	10-Q	2019-10-23
Quarterly	2018-09-30	-0.1126	-299.5%	ratio	10-Q	2019-10-23
Quarterly	2019-03-31	-0.0875	+22.3%	ratio	10-Q	2020-10-29
Quarterly	2019-06-30	-0.0385	+56.0%	ratio	10-Q	2020-10-29
Quarterly	2019-09-30	-0.1791	-365.3%	ratio	10-Q	2020-10-29
Quarterly	2020-03-31	-0.0364	+79.7%	ratio	10-Q	2021-10-27
Quarterly	2020-06-30	-0.0277	+23.8%	ratio	10-Q	2021-10-27
Quarterly	2020-09-30	-0.0629	-127.0%	ratio	10-Q	2021-10-27
Quarterly	2021-03-31	-0.0213	+66.1%	ratio	10-Q	2022-11-02
Quarterly	2021-06-30	0.0022	+110.1%	ratio	10-Q	2022-11-02
Quarterly	2021-09-30	-0.0447	-2177.8%	ratio	10-Q	2022-11-02
Quarterly	2022-03-31	-0.0334	+25.4%	ratio	10-Q	2023-10-25
Quarterly	2022-06-30	-0.0278	+16.6%	ratio	10-Q	2023-10-25
Quarterly	2022-09-30	-0.1247	-347.7%	ratio	10-Q	2023-10-25
Quarterly	2023-03-31	-0.0416	+66.6%	ratio	10-Q	2024-10-24
Quarterly	2023-06-30	0.1851	+544.9%	ratio	10-Q	2024-10-24
Quarterly	2023-09-30	0.1792	-3.2%	ratio	10-Q	2024-10-24
Quarterly	2024-03-31	0.0294	-83.6%	ratio	10-Q	2025-10-28
Quarterly	2024-06-30	0.0712	+142.4%	ratio	10-Q	2025-10-28
Quarterly	2024-09-30	0.1707	+139.9%	ratio	10-Q	2025-10-28
Quarterly	2025-03-31	0.0149	-91.3%	ratio	10-Q	2025-10-28
Quarterly	2025-06-30	0.0536	+260.8%	ratio	10-Q	2025-10-28
Quarterly	2025-09-30	0.1109	+106.9%	ratio	10-Q	2025-10-28
Annual	2016-12-31	-0.1723	—	ratio	10-K	2019-02-15
Annual	2017-12-31	-0.1313	+23.8%	ratio	10-K	2020-02-13
Annual	2018-12-31	-0.1189	+9.4%	ratio	10-K	2021-02-11
Annual	2019-12-31	-0.1811	-52.3%	ratio	10-K	2022-02-16
Annual	2020-12-31	-0.1039	+42.6%	ratio	10-K	2023-02-16
Annual	2021-12-31	-0.0433	+58.3%	ratio	10-K	2024-02-21
Annual	2022-12-31	-0.1516	-250.2%	ratio	10-K	2025-02-12
Annual	2023-12-31	0.2958	+295.1%	ratio	10-K	2026-02-25
Annual	2024-12-31	0.2506	-15.3%	ratio	10-K	2026-02-25
Annual	2025-12-31	0.1328	-47.0%	ratio	10-K	2026-02-25

8-K Material Event Details

75 filings · 175 item records

This 8-K section tracks corporate event disclosures, not insider buy/sell sentiment. Insider trading direction is shown in the insider section below.

Event Type Distribution

Count per 8-K item

Insider Transaction History

830 transaction records

Net Insider Flow

Monthly open-market buy value minus open-market sell value

Monthly Insider Activity Mix

Share volume split between open-market trades, grants, and exercises

Transaction Value Timeline

Each circle = one priced transaction; size ∝ value X-axis date:

All Transactions

Date	Insider	Title	Type	Security	Shares	Price	Total Value	Post-Tx Shares
2026-04-11	Lurker Nancy	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,751	—	—	3,752
2026-04-11	Lurker Nancy	Dir	Other disposed transaction F	Ordinary Shares	901	$33.36	$30,057	13,555
2026-04-11	Lurker Nancy	Dir	Exercise / conversion M	Ordinary Shares	3,751	—	—	14,456
2026-04-06	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	2,034	$34.57	$70,315	233,592
2026-04-01	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	5,000	$0.00	$0	16,356
2026-04-01	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	9,000	$35.51	$319,604	85,389
2026-04-01	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	5,000	$19.34	$96,700	94,389
2026-03-02	Reed Joshua	SVP, Chief Financial Officer	Equity grant / award A · derivative	Restricted Stock Unit Award	30,854	$0.00	$0	30,854
2026-03-02	Reed Joshua	SVP, Chief Financial Officer	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	66,430	$0.00	$0	66,430
2026-02-26	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,747	—	—	5,493
2026-02-26	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Other disposed transaction F	Ordinary Shares	808	$30.73	$24,830	14,607
2026-02-26	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M	Ordinary Shares	2,747	—	—	15,415
2026-02-23	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,283	—	—	2,284
2026-02-23	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Other disposed transaction F	Ordinary Shares	672	$32.19	$21,632	12,668
2026-02-23	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M	Ordinary Shares	2,283	—	—	13,340
2026-02-19	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,991	—	—	8,974
2026-02-19	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Other disposed transaction F	Ordinary Shares	979	$32.00	$31,328	11,057
2026-02-19	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M	Ordinary Shares	2,991	—	—	12,036
2026-02-18	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,034	—	—	0
2026-02-18	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Other disposed transaction F	Ordinary Shares	706	$32.02	$22,606	9,045
2026-02-18	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M	Ordinary Shares	2,034	—	—	9,751
2026-02-05	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	62,230	$33.55	$2,087,816	1,377,740
2026-02-05	POPS RICHARD F	Director and CEO, Alkermes plc	Equity grant / award A	Ordinary Shares	149,580	—	—	1,439,970
2026-02-02	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	5,000	$0.00	$0	26,356
2026-02-02	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	4,000	$33.54	$134,160	57,740
2026-02-02	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	5,000	$34.24	$171,224	61,740
2026-02-02	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	5,000	$19.34	$96,700	66,740
2026-01-08	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	5,000	$0.00	$0	31,356
2026-01-08	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	5,000	$30.00	$150,005	61,740
2026-01-08	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	5,000	$19.34	$96,700	66,740
2026-01-02	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	4,000	$28.00	$112,000	61,740
2025-12-03	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	3,748	$0.00	$0	36,356
2025-12-03	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	3,748	$30.00	$112,447	65,740
2025-12-03	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	3,748	$19.34	$72,486	69,488
2025-12-01	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	4,000	$29.30	$117,200	65,740
2025-11-03	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	5,000	$0.00	$0	40,104
2025-11-03	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	9,000	$30.38	$273,442	69,740
2025-11-03	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	5,000	$19.34	$96,700	78,740
2025-10-15	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	5,000	$0.00	$0	45,104
2025-10-15	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	9,000	$31.53	$283,776	73,740
2025-10-15	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	5,000	$19.34	$96,700	82,740
2025-10-08	Reed Joshua	SVP, Chief Financial Officer	Equity grant / award A · derivative	Restricted Stock Unit Award	36,656	$0.00	$0	36,656
2025-10-08	Reed Joshua	SVP, Chief Financial Officer	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	158,743	$0.00	$0	158,743
2025-08-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,014	—	—	2,015
2025-08-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Other disposed transaction F	Ordinary Shares	895	$26.55	$23,762	205,374
2025-08-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	2,014	—	—	206,269
2025-06-10	Nichols Christian Todd	SVP, Chief Commercial Officer	Open-market sell S	Ordinary Shares	3,334	$31.09	$103,654	86,208
2025-06-09	Nichols Christian Todd	SVP, Chief Commercial Officer	Open-market sell S	Ordinary Shares	3,333	$31.95	$106,489	89,542
2025-06-08	Wright Christopher I	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,301	—	—	0
2025-06-08	Wright Christopher I	Dir	Other disposed transaction F	Ordinary Shares	793	$31.71	$25,146	23,013
2025-06-08	Wright Christopher I	Dir	Exercise / conversion M	Ordinary Shares	3,301	—	—	23,806
2025-05-31	Wright Christopher I	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	8,013	—	—	0
2025-05-31	Wright Christopher I	Dir	Other disposed transaction F	Ordinary Shares	1,924	$30.61	$58,894	20,505
2025-05-31	Wright Christopher I	Dir	Exercise / conversion M	Ordinary Shares	8,013	—	—	22,429
2025-05-21	Wright Christopher I	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	6,142	$0.00	$0	6,142
2025-05-21	Wright Christopher I	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	13,474	$0.00	$0	13,474
2025-04-11	Lurker Nancy	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,752	—	—	7,503
2025-04-11	Lurker Nancy	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,323	—	—	0
2025-04-11	Lurker Nancy	Dir	Other disposed transaction F	Ordinary Shares	901	$27.00	$24,327	4,616
2025-04-11	Lurker Nancy	Dir	Exercise / conversion M	Ordinary Shares	3,752	—	—	5,517
2025-04-11	Lurker Nancy	Dir	Other disposed transaction F	Ordinary Shares	558	$27.00	$15,066	1,765
2025-04-11	Lurker Nancy	Dir	Exercise / conversion M	Ordinary Shares	2,323	—	—	2,323
2025-02-28	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Open-market sell S	Ordinary Shares	1,938	$34.00	$65,892	7,717
2025-02-26	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,746	—	—	8,240
2025-02-26	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Other disposed transaction F	Ordinary Shares	808	$34.80	$28,114	9,655
2025-02-26	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M	Ordinary Shares	2,746	—	—	10,463
2025-02-23	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Exercise / conversion M · derivative	Restricted Stock Unit Award	7,689	—	—	15,379
2025-02-23	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Other disposed transaction F	Ordinary Shares	3,414	$35.32	$120,582	200,438
2025-02-23	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	7,689	—	—	203,852
2025-02-22	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Exercise / conversion M · derivative	Restricted Stock Unit Award	7,432	—	—	0
2025-02-22	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Other disposed transaction F	Ordinary Shares	3,300	$35.32	$116,556	196,163
2025-02-22	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	7,432	—	—	199,463
2025-02-20	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Open-market sell S	Ordinary Shares	1,327	$35.69	$47,361	7,717
2025-02-19	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Equity grant / award A · derivative	Restricted Stock Unit Award	11,965	$0.00	$0	11,965
2025-02-19	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	12,287	$0.00	$0	12,287
2025-02-19	POPS RICHARD F	Director and CEO, Alkermes plc	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	293,921	$0.00	$0	293,921
2025-02-18	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,033	—	—	2,034
2025-02-18	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Other disposed transaction F	Ordinary Shares	706	$35.90	$25,345	9,044
2025-02-18	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M	Ordinary Shares	2,033	—	—	9,750
2025-02-13	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	35,586	$0.00	$0	71,172
2025-02-13	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	108,833	$0.00	$0	0
2025-02-13	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	108,833	$36.02	$3,920,001	57,875
2025-02-13	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	35,586	$34.02	$1,210,696	166,708
2025-02-13	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	35,586	$24.59	$875,060	202,294
2025-02-13	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	108,833	$31.93	$3,475,038	166,708
2025-02-12	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	111,630	$0.00	$0	50,104
2025-02-12	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	87,566	$0.00	$0	0
2025-02-12	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	33,108	$33.27	$1,101,470	57,875
2025-02-12	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	171,813	$32.69	$5,616,808	90,983
2025-02-12	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	111,630	$19.34	$2,158,924	262,796
2025-02-12	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	87,566	$20.03	$1,753,947	151,166
2025-02-06	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	79,925	$31.39	$2,508,846	1,290,390
2025-02-06	POPS RICHARD F	Director and CEO, Alkermes plc	Equity grant / award A	Ordinary Shares	190,640	—	—	1,370,315
2025-01-30	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	18,345	$0.00	$0	92,271
2025-01-30	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	23,542	$0.00	$0	106,758
2025-01-30	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	26,589	$0.00	$0	161,734
2025-01-30	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	29,156	$0.00	$0	87,566
2025-01-30	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	100,918	$32.05	$3,234,382	44,290
2025-01-30	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	18,345	$26.82	$492,013	145,208
2025-01-30	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	23,542	$24.59	$578,898	126,863
2025-01-30	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	26,589	$19.34	$514,231	103,321
2025-01-30	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	29,156	$20.03	$583,995	76,732
2024-12-09	LAURENCIN CATO T	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	2,691	$0.00	$0	16,142
2024-12-09	LAURENCIN CATO T	Dir	Open-market sell S	Ordinary Shares	2,691	$31.85	$85,708	23,013
2024-12-09	LAURENCIN CATO T	Dir	Exercise / conversion M	Ordinary Shares	2,691	$22.52	$60,601	25,704
2024-12-09	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	12,411	$0.00	$0	110,616
2024-12-09	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	12,044	$0.00	$0	130,300
2024-12-09	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	12,090	$0.00	$0	188,323
2024-12-09	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	12,452	$0.00	$0	116,722
2024-12-09	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	61,151	$32.07	$1,961,406	47,576
2024-12-09	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	12,411	$26.82	$332,863	108,727
2024-12-09	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	12,044	$24.59	$296,162	96,316
2024-12-09	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	12,090	$19.34	$233,821	84,272
2024-12-09	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	12,452	$20.03	$249,414	72,182
2024-12-08	LAURENCIN CATO T	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	4,163	—	—	0
2024-12-08	LAURENCIN CATO T	Dir	Other disposed transaction F	Ordinary Shares	958	$31.46	$30,139	23,013
2024-12-08	LAURENCIN CATO T	Dir	Exercise / conversion M	Ordinary Shares	4,163	—	—	23,971
2024-12-05	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	9,221	$31.50	$290,462	59,730
2024-12-04	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	14,349	$30.77	$441,550	68,951
2024-11-27	Nichols Christian Todd	SVP, Chief Commercial Officer	Open-market sell S	Ordinary Shares	5,208	$29.15	$151,813	60,703
2024-11-11	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	43,058	$0.00	$0	129,174
2024-11-11	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	58,996	$30.08	$1,774,576	83,300
2024-11-11	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	43,058	$20.03	$862,452	142,296
2024-11-06	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	10,471	$29.53	$309,169	99,238
2024-08-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,014	—	—	4,029
2024-08-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Other disposed transaction F	Ordinary Shares	895	$27.72	$24,809	165,901
2024-08-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	2,014	—	—	166,796
2024-06-29	Wright Christopher I	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	6,104	—	—	0
2024-06-29	Wright Christopher I	Dir	Other disposed transaction F	Ordinary Shares	1,465	$24.10	$35,306	14,416
2024-06-29	Wright Christopher I	Dir	Exercise / conversion M	Ordinary Shares	6,104	—	—	15,881
2024-06-09	Alva Emily Peterson	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,871	—	—	0
2024-06-09	Alva Emily Peterson	Dir	Other disposed transaction F	Ordinary Shares	930	$23.91	$22,236	22,663
2024-06-09	Alva Emily Peterson	Dir	Exercise / conversion M	Ordinary Shares	3,871	—	—	23,593
2024-06-08	Wright Christopher I	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,301	—	—	3,301
2024-06-08	Wright Christopher I	Dir	Other disposed transaction F	Ordinary Shares	793	$23.91	$18,961	9,777
2024-06-08	Wright Christopher I	Dir	Exercise / conversion M	Ordinary Shares	3,301	—	—	10,570
2024-05-31	Wright Christopher I	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	17,492	$0.00	$0	17,492
2024-05-31	Wright Christopher I	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	8,013	$0.00	$0	8,013
2024-04-11	Lurker Nancy	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	22,103	$0.00	$0	22,103
2024-04-11	Lurker Nancy	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	11,255	$0.00	$0	11,255
2024-04-11	Lurker Nancy	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	4,833	$0.00	$0	4,833
2024-04-11	Lurker Nancy	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	2,323	$0.00	$0	2,323
2024-03-18	Nichols Christian Todd	SVP, Chief Commercial Officer	Open-market sell S	Ordinary Shares	10,417	$28.10	$292,740	65,911
2024-02-26	Nichols Christian Todd	SVP, Chief Commercial Officer	Equity grant / award A · derivative	Restricted Stock Unit Award	21,638	$0.00	$0	21,638
2024-02-26	Nichols Christian Todd	SVP, Chief Commercial Officer	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	87,602	$0.00	$0	87,602
2024-02-26	POPS RICHARD F	Director and CEO, Alkermes plc	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	274,328	$0.00	$0	274,328
2024-02-23	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	6,407	—	—	19,223
2024-02-23	Nichols Christian Todd	SVP, Chief Commercial Officer	Other disposed transaction F	Ordinary Shares	2,845	$29.57	$84,127	76,328
2024-02-23	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M	Ordinary Shares	6,407	—	—	79,173
2024-02-22	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,114	—	—	3,114
2024-02-22	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Other disposed transaction F	Ordinary Shares	908	$28.91	$26,250	8,665
2024-02-22	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M	Ordinary Shares	3,114	—	—	9,573
2024-02-20	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M · derivative	Restricted Stock Unit Award	1,872	—	—	0
2024-02-20	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Other disposed transaction F	Ordinary Shares	641	$30.39	$19,480	6,459
2024-02-20	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M	Ordinary Shares	1,872	—	—	7,100
2024-02-18	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,034	—	—	4,067
2024-02-18	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Other disposed transaction F	Ordinary Shares	706	$32.18	$22,719	5,228
2024-02-18	Parisi Samuel Joseph	VP, Finance (Interim PAO)	Exercise / conversion M	Ordinary Shares	2,034	—	—	5,934
2024-02-15	LAURENCIN CATO T	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	2,690	$0.00	$0	18,833
2024-02-15	LAURENCIN CATO T	Dir	Open-market sell S	Ordinary Shares	2,690	$31.85	$85,676	15,169
2024-02-15	LAURENCIN CATO T	Dir	Exercise / conversion M	Ordinary Shares	2,690	$22.52	$60,579	17,859
2024-02-10	MCKEON BRIAN P	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	4,533	—	—	0
2024-02-10	MCKEON BRIAN P	Dir	Other disposed transaction F	Ordinary Shares	1,088	$27.32	$29,724	23,141
2024-02-10	MCKEON BRIAN P	Dir	Exercise / conversion M	Ordinary Shares	4,533	—	—	24,229
2024-02-08	Jackson Blair Curtis	EVP, Chief Operating Officer	Other disposed transaction F	Ordinary Shares	11,007	$26.77	$294,657	139,945
2024-02-08	Jackson Blair Curtis	EVP, Chief Operating Officer	Equity grant / award A	Ordinary Shares	36,835	—	—	150,952
2023-12-08	LAURENCIN CATO T	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	4,163	—	—	4,163
2023-12-08	LAURENCIN CATO T	Dir	Other disposed transaction F	Ordinary Shares	1,000	$25.86	$25,860	15,169
2023-12-08	LAURENCIN CATO T	Dir	Exercise / conversion M	Ordinary Shares	4,163	—	—	16,169
2023-11-17	LAURENCIN CATO T	Dir	Other acquired transaction J · derivative	Restricted Stock Unit Award	163	—	—	8,326
2023-11-17	LAURENCIN CATO T	Dir	Other acquired transaction J · derivative	Restricted Stock Unit Award	119	—	—	6,104
2023-11-17	LAURENCIN CATO T	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	254	$30.72	$7,802	12,986
2023-11-17	LAURENCIN CATO T	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	231	$30.86	$7,129	11,785
2023-11-17	LAURENCIN CATO T	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	422	$22.52	$9,503	21,523
2023-11-17	LAURENCIN CATO T	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	112	$22.52	$2,522	5,712
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Restricted Stock Unit Award	685	—	—	34,951
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	2,741	$26.82	$73,514	139,803
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Restricted Stock Unit Award	523	—	—	26,690
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	2,790	$24.59	$68,606	142,344
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Restricted Stock Unit Award	380	—	—	19,387
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	3,102	$19.34	$59,993	158,221
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Restricted Stock Unit Award	91	—	—	4,680
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	1,534	$20.03	$30,726	78,287
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	1,489	$31.93	$47,544	75,989
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	759	$65.94	$50,048	38,759
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	699	$53.50	$37,396	35,699
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	899	$31.64	$28,444	45,899
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	469	$69.83	$32,750	23,969
2023-11-17	Jackson Blair Curtis	EVP, Chief Operating Officer	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	599	$46.24	$27,698	30,599
2023-11-17	MCKEON BRIAN P	Dir	Other acquired transaction J · derivative	Restricted Stock Unit Award	119	—	—	6,104
2023-11-17	MCKEON BRIAN P	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	254	$30.72	$7,803	12,986
2023-11-17	MCKEON BRIAN P	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	231	$30.86	$7,129	11,785
2023-11-17	MCKEON BRIAN P	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	313	$24.24	$7,587	15,990
2023-11-17	MCKEON BRIAN P	Dir	Other acquired transaction J · derivative	Restricted Stock Unit Award	88	—	—	4,533
2023-11-17	MCKEON BRIAN P	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	523	$22.48	$11,757	26,692
2023-11-17	MCKEON BRIAN P	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	90	$22.48	$2,023	4,639
2023-11-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	5,697	$26.82	$152,794	290,570
2023-11-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	5,980	$24.59	$147,048	305,024
2023-11-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	6,843	$19.34	$132,344	349,030
2023-11-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	7,168	$20.03	$143,575	365,634
2023-11-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	7,644	$31.93	$244,073	389,844
2023-11-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	2,419	$31.93	$77,239	123,419
2023-11-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	5,899	$65.94	$388,980	300,899
2023-11-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	5,999	$31.64	$189,808	305,999
2023-11-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	3,999	$53.50	$213,946	203,999
2023-11-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other acquired transaction J · derivative	Employee Stock Option (Right to Buy)	4,599	$46.24	$212,658	234,599
2023-11-17	Wright Christopher I	Dir	Other acquired transaction J · derivative	Restricted Stock Unit Award	119	—	—	6,104
2023-11-17	Wright Christopher I	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	254	$30.72	$7,803	12,986
2023-11-17	Wright Christopher I	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	231	$30.86	$7,129	11,785
2023-11-17	Wright Christopher I	Dir	Other acquired transaction J · derivative	Restricted Stock Unit Award	129	—	—	6,602
2023-11-17	Wright Christopher I	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	355	$28.40	$10,082	18,128
2023-11-17	Wright Christopher I	Dir	Other acquired transaction J · derivative	Non Qualified Stock Option (Right to Buy)	14	$28.40	$398	728
2023-08-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Exercise / conversion M · derivative	Restricted Stock Unit Award	1,974	—	—	5,925
2023-08-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Other disposed transaction F	Ordinary Shares	877	$27.63	$24,232	127,950
2023-08-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	1,974	—	—	128,827
2023-07-07	Wysenski Nancy	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	5,957	—	—	0
2023-07-07	Wysenski Nancy	Dir	Other disposed transaction F	Ordinary Shares	1,430	$29.88	$42,728	20,356
2023-07-07	Wysenski Nancy	Dir	Exercise / conversion M	Ordinary Shares	5,957	—	—	21,786
2023-06-29	Wysenski Nancy	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	5,985	$0.00	$0	5,985
2023-06-29	Wysenski Nancy	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	12,732	$0.00	$0	12,732
2023-06-09	Alva Emily Peterson	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,795	—	—	3,796
2023-06-09	Alva Emily Peterson	Dir	Other disposed transaction F	Ordinary Shares	911	$31.13	$28,359	15,195
2023-06-09	Alva Emily Peterson	Dir	Exercise / conversion M	Ordinary Shares	3,795	—	—	16,106
2023-06-08	Wright Christopher I	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,236	—	—	6,473
2023-06-08	Wright Christopher I	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	373	—	—	0
2023-06-08	Wright Christopher I	Dir	Other disposed transaction F	Ordinary Shares	777	$31.54	$24,507	2,742
2023-06-08	Wright Christopher I	Dir	Exercise / conversion M	Ordinary Shares	3,236	—	—	3,519
2023-06-08	Wright Christopher I	Dir	Other disposed transaction F	Ordinary Shares	90	$31.54	$2,839	283
2023-06-08	Wright Christopher I	Dir	Exercise / conversion M	Ordinary Shares	373	—	—	373
2023-06-07	LAURENCIN CATO T	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	2,800	$0.00	$0	5,600
2023-06-07	LAURENCIN CATO T	Dir	Open-market sell S	Ordinary Shares	2,800	$31.50	$88,200	7,479
2023-06-07	LAURENCIN CATO T	Dir	Exercise / conversion M	Ordinary Shares	2,800	$22.97	$64,316	10,279
2023-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,500	—	—	0
2023-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Other disposed transaction F	Ordinary Shares	1,555	$29.46	$45,810	42,929
2023-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M	Ordinary Shares	3,500	—	—	44,484
2023-05-30	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	19,634	$0.00	$0	44,327
2023-05-30	Nichols Christian Todd	SVP, Chief Commercial Officer	Open-market sell S	Ordinary Shares	27,134	$28.93	$784,862	40,984
2023-05-30	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M	Ordinary Shares	19,634	$20.43	$401,123	68,118
2023-05-09	Wysenski Nancy	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	6,250	$0.00	$0	0
2023-05-09	Wysenski Nancy	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	35,000	$0.00	$0	0
2023-05-09	Wysenski Nancy	Dir	Open-market sell S	Ordinary Shares	41,250	$31.24	$1,288,786	15,829
2023-05-09	Wysenski Nancy	Dir	Exercise / conversion M	Ordinary Shares	6,250	$31.13	$194,562	57,079
2023-05-09	Wysenski Nancy	Dir	Exercise / conversion M	Ordinary Shares	35,000	$31.13	$1,089,550	50,829
2023-02-23	Nichols Christian Todd	SVP, Chief Commercial Officer	Equity grant / award A · derivative	Restricted Stock Unit Award	25,128	$0.00	$0	25,128
2023-02-23	Nichols Christian Todd	SVP, Chief Commercial Officer	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	100,512	$0.00	$0	100,512
2023-02-23	POPS RICHARD F	Director and CEO, Alkermes plc	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	284,873	$0.00	$0	284,873
2023-02-22	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	6,969	—	—	13,939
2023-02-22	Nichols Christian Todd	SVP, Chief Commercial Officer	Other disposed transaction F	Ordinary Shares	2,704	$27.77	$75,090	48,484
2023-02-22	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M	Ordinary Shares	6,969	—	—	51,188
2023-02-21	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	32,400	—	—	0
2023-02-21	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	14,386	$27.77	$399,499	1,052,881
2023-02-21	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	32,400	—	—	1,067,267
2023-02-20	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,824	—	—	3,825
2023-02-20	Nichols Christian Todd	SVP, Chief Commercial Officer	Other disposed transaction F	Ordinary Shares	6,753	$28.07	$189,557	44,219
2023-02-20	Nichols Christian Todd	SVP, Chief Commercial Officer	Equity grant / award A	Ordinary Shares	22,969	—	—	50,972
2023-02-20	Nichols Christian Todd	SVP, Chief Commercial Officer	Other disposed transaction F	Ordinary Shares	1,125	$28.07	$31,579	28,003
2023-02-20	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M	Ordinary Shares	3,824	—	—	29,128
2023-02-20	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	53,145	$28.07	$1,491,780	1,034,867
2023-02-20	POPS RICHARD F	Director and CEO, Alkermes plc	Equity grant / award A	Ordinary Shares	119,713	—	—	1,088,012
2023-02-18	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	6,230	—	—	18,691
2023-02-18	Nichols Christian Todd	SVP, Chief Commercial Officer	Other disposed transaction F	Ordinary Shares	1,961	$28.07	$55,045	25,304
2023-02-18	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M	Ordinary Shares	6,230	—	—	27,265
2023-02-10	MCKEON BRIAN P	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	4,445	—	—	4,445
2023-02-10	MCKEON BRIAN P	Dir	Exercise / conversion M	Ordinary Shares	4,445	—	—	15,169
2022-12-08	LAURENCIN CATO T	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	4,082	—	—	8,163
2022-12-08	LAURENCIN CATO T	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	4,160	—	—	0
2022-12-08	LAURENCIN CATO T	Dir	Other disposed transaction F	Ordinary Shares	378	$25.48	$9,631	7,479
2022-12-08	LAURENCIN CATO T	Dir	Exercise / conversion M	Ordinary Shares	4,082	—	—	7,857
2022-12-08	LAURENCIN CATO T	Dir	Other disposed transaction F	Ordinary Shares	385	$25.48	$9,810	3,775
2022-12-08	LAURENCIN CATO T	Dir	Exercise / conversion M	Ordinary Shares	4,160	—	—	4,160
2022-11-14	Daglio David Angelo Jr.	Dir	Open-market buy P	Ordinary Shares	35,000	$23.31	$815,734	80,000
2022-08-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Equity grant / award A · derivative	Restricted Stock Unit Award	7,899	$0.00	$0	7,899
2022-08-03	Gaffin David Joseph	EVP, CLO, Alkermes, Inc.	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	28,812	$0.00	$0	28,812
2022-07-07	Wysenski Nancy	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	11,554	$0.00	$0	11,554
2022-07-07	Wysenski Nancy	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	5,957	$0.00	$0	5,957
2022-06-21	Nichols Christian Todd	SVP, Chief Commercial Officer	Open-market sell S	Ordinary Shares	7,474	$28.26	$211,203	21,035
2022-06-14	Wysenski Nancy	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	7,585	—	—	0
2022-06-14	Wysenski Nancy	Dir	Other disposed transaction F	Ordinary Shares	695	$27.19	$18,897	15,829
2022-06-14	Wysenski Nancy	Dir	Exercise / conversion M	Ordinary Shares	7,585	—	—	16,524
2022-06-09	Alva Emily Peterson	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,796	—	—	7,591
2022-06-09	Alva Emily Peterson	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	532	—	—	0
2022-06-09	Alva Emily Peterson	Dir	Other disposed transaction F	Ordinary Shares	304	$28.13	$8,552	5,631
2022-06-09	Alva Emily Peterson	Dir	Exercise / conversion M	Ordinary Shares	3,796	—	—	5,935
2022-06-09	Alva Emily Peterson	Dir	Other disposed transaction F	Ordinary Shares	43	$28.13	$1,210	2,139
2022-06-09	Alva Emily Peterson	Dir	Exercise / conversion M	Ordinary Shares	532	—	—	2,182
2022-06-08	Wright Christopher I	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	17,773	$0.00	$0	17,773
2022-06-08	Wright Christopher I	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	9,709	$0.00	$0	9,709
2022-06-08	Wright Christopher I	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	714	$0.00	$0	714
2022-06-08	Wright Christopher I	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	373	$0.00	$0	373
2022-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,500	—	—	3,500
2022-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Other disposed transaction F	Ordinary Shares	1,029	$29.31	$30,160	28,509
2022-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M	Ordinary Shares	3,500	—	—	29,538
2022-05-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	50,000	$0.00	$0	0
2022-05-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	50,000	$29.15	$1,457,475	232,306
2022-05-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	50,000	$16.55	$827,500	282,306
2022-05-10	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	25,000	$0.00	$0	50,000
2022-05-10	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	25,000	$27.22	$680,380	232,306
2022-05-10	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	25,000	$16.55	$413,750	257,306
2022-05-06	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	120,847	$0.00	$0	0
2022-05-06	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	93,747	$27.85	$2,611,313	968,299
2022-05-06	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	120,847	$16.55	$2,000,018	1,062,046
2022-05-05	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	329,153	$0.00	$0	120,847
2022-05-05	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	32,288	$28.59	$923,227	941,199
2022-05-05	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	221,222	$27.95	$6,183,243	973,487
2022-05-05	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	329,153	$16.55	$5,447,482	1,194,709
2022-05-03	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	25,000	$0.00	$0	75,000
2022-05-03	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	25,000	$28.62	$715,415	232,306
2022-05-03	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	25,000	$16.55	$413,750	257,306
2022-05-02	Cooke Shane	Dir	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	10,000	$0.00	$0	0
2022-05-02	Cooke Shane	Dir	Open-market sell S	Ordinary Shares	10,000	$29.23	$292,330	90,478
2022-05-02	Cooke Shane	Dir	Exercise / conversion M	Ordinary Shares	10,000	$16.55	$165,500	100,478
2022-04-25	Cooke Shane	Dir	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	10,000	$0.00	$0	10,000
2022-04-25	Cooke Shane	Dir	Open-market sell S	Ordinary Shares	10,000	$27.88	$278,849	90,478
2022-04-25	Cooke Shane	Dir	Exercise / conversion M	Ordinary Shares	10,000	$16.55	$165,500	100,478
2022-04-20	Jackson Blair Curtis	EVP, Chief Operating Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	49,999	$0.00	$0	0
2022-04-20	Jackson Blair Curtis	EVP, Chief Operating Officer	Open-market sell S	Ordinary Shares	49,999	$29.61	$1,480,335	87,915
2022-04-20	Jackson Blair Curtis	EVP, Chief Operating Officer	Exercise / conversion M	Ordinary Shares	49,999	$16.55	$827,483	137,914
2022-04-18	Cooke Shane	Dir	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	10,000	$0.00	$0	20,000
2022-04-18	Cooke Shane	Dir	Open-market sell S	Ordinary Shares	10,000	$28.88	$288,750	90,478
2022-04-18	Cooke Shane	Dir	Exercise / conversion M	Ordinary Shares	10,000	$16.55	$165,500	100,478
2022-04-11	Cooke Shane	Dir	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	10,000	$0.00	$0	30,000
2022-04-11	Cooke Shane	Dir	Open-market sell S	Ordinary Shares	10,000	$29.26	$292,601	90,478
2022-04-11	Cooke Shane	Dir	Exercise / conversion M	Ordinary Shares	10,000	$16.55	$165,500	100,478
2022-04-04	Cooke Shane	Dir	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	10,000	$0.00	$0	40,000
2022-04-04	Cooke Shane	Dir	Open-market sell S	Ordinary Shares	10,000	$28.18	$281,845	90,478
2022-04-04	Cooke Shane	Dir	Exercise / conversion M	Ordinary Shares	10,000	$16.55	$165,500	100,478
2022-03-04	snyderman nancy lynn MD	Dir	Open-market buy P	Ordinary Shares	427	$23.43	$10,005	9,366
2022-02-23	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	11,983	$24.76	$296,650	17,994
2022-02-22	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	12,037	—	$0	36,114
2022-02-22	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Other disposed transaction F	Ordinary Shares	3,539	$25.01	$88,510	29,977
2022-02-22	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	12,037	—	—	33,516
2022-02-21	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	6,875	—	$0	6,875
2022-02-21	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Other disposed transaction F	Ordinary Shares	2,022	$25.08	$50,712	21,479
2022-02-21	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	6,875	—	—	23,501
2022-02-20	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	10,096	—	$0	20,191
2022-02-20	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Other disposed transaction F	Ordinary Shares	2,966	$25.08	$74,387	16,626
2022-02-20	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	10,096	—	—	19,592
2022-02-18	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Equity grant / award A · derivative	Restricted Stock Unit Award	34,889	$0.00	$0	34,889
2022-02-18	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	139,554	$0.00	$0	139,554
2022-02-18	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	2,306	$25.17	$58,042	9,496
2022-02-16	Jackson Blair Curtis	EVP, Chief Operating Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,375	—	$0	0
2022-02-16	Jackson Blair Curtis	EVP, Chief Operating Officer	Other disposed transaction F	Ordinary Shares	825	$26.79	$22,102	74,564
2022-02-16	Jackson Blair Curtis	EVP, Chief Operating Officer	Exercise / conversion M	Ordinary Shares	2,375	—	—	75,389
2022-02-10	Daglio David Angelo Jr.	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,223	—	—	0
2022-02-10	Daglio David Angelo Jr.	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	4,446	—	—	8,890
2022-02-10	Daglio David Angelo Jr.	Dir	Other disposed transaction F	Ordinary Shares	912	$23.55	$21,478	3,934
2022-02-10	Daglio David Angelo Jr.	Dir	Exercise / conversion M	Ordinary Shares	2,223	—	—	4,846
2022-02-10	Daglio David Angelo Jr.	Dir	Other disposed transaction F	Ordinary Shares	1,823	$23.55	$42,932	2,623
2022-02-10	Daglio David Angelo Jr.	Dir	Exercise / conversion M	Ordinary Shares	4,446	—	—	4,446
2021-12-08	LAURENCIN CATO T	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	23,739	$0.00	$0	23,739
2021-12-08	LAURENCIN CATO T	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	12,245	$0.00	$0	12,245
2021-12-08	LAURENCIN CATO T	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	8,400	$0.00	$0	8,400
2021-12-08	LAURENCIN CATO T	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	4,160	$0.00	$0	4,160
2021-12-02	Wysenski Nancy	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	5,578	—	—	0
2021-12-02	Wysenski Nancy	Dir	Other disposed transaction F	Ordinary Shares	1,339	$22.11	$29,605	8,939
2021-12-02	Wysenski Nancy	Dir	Exercise / conversion M	Ordinary Shares	5,578	—	—	10,278
2021-09-14	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	36,267	$30.60	$1,109,770	837,455
2021-09-14	POPS RICHARD F	Director and CEO, Alkermes plc	Equity grant / award A	Ordinary Shares	81,682	$0.00	$0	873,722
2021-08-23	Alva Emily Peterson	Dir	Open-market buy P	Ordinary Shares	1,650	$30.22	$49,860	1,650
2021-08-19	Brown Iain Michael	SVP, Chief Financial Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	40,000	$0.00	$0	0
2021-08-19	Brown Iain Michael	SVP, Chief Financial Officer	Open-market sell S	Ordinary Shares	40,000	$29.99	$1,199,600	42,980
2021-08-19	Brown Iain Michael	SVP, Chief Financial Officer	Exercise / conversion M	Ordinary Shares	40,000	$16.55	$662,000	82,980
2021-08-02	MCKEON BRIAN P	Dir	Open-market buy P	Ordinary Shares	10,000	$26.43	$264,269	10,000
2021-07-29	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	14,000	$0.00	$0	0
2021-07-29	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	14,000	$26.00	$364,000	74,597
2021-07-29	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	14,000	$16.55	$231,700	88,597
2021-07-01	ANSTICE DAVID W	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	20,000	$0.00	$0	0
2021-07-01	ANSTICE DAVID W	Dir	Open-market sell S	Ordinary Shares	20,000	$24.58	$491,504	73,081
2021-07-01	ANSTICE DAVID W	Dir	Exercise / conversion M	Ordinary Shares	20,000	$14.60	$292,000	93,081
2021-06-14	Wysenski Nancy	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	7,585	$0.00	$0	7,585
2021-06-14	Wysenski Nancy	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	15,677	$0.00	$0	15,677
2021-06-10	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	13,500	$0.00	$0	14,000
2021-06-10	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	13,500	$25.00	$337,500	74,597
2021-06-10	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	13,500	$16.55	$223,425	88,097
2021-06-09	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	882	$24.60	$21,697	0
2021-06-07	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	1,250	—	$0	0
2021-06-07	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Other disposed transaction F	Ordinary Shares	368	$23.50	$8,648	882
2021-06-07	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	1,250	—	—	1,250
2021-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,500	—	$0	7,000
2021-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Other disposed transaction F	Ordinary Shares	1,029	$23.08	$23,749	7,474
2021-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M	Ordinary Shares	3,500	—	—	8,503
2021-05-20	Wysenski Nancy	Dir	Exercise / conversion M · derivative	Restricted Stock Unit Award	6,104	$0.00	$0	0
2021-05-20	Wysenski Nancy	Dir	Other disposed transaction F	Ordinary Shares	1,404	$21.92	$30,776	4,700
2021-05-20	Wysenski Nancy	Dir	Exercise / conversion M	Ordinary Shares	6,104	$0.00	$0	6,104
2021-05-18	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	150,000	$0.00	$0	0
2021-05-18	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	150,000	$21.90	$3,285,405	792,040
2021-05-18	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	150,000	$18.11	$2,715,750	942,040
2021-05-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	50,000	$0.00	$0	0
2021-05-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	50,000	$22.09	$1,104,650	216,781
2021-05-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	50,000	$18.11	$905,250	266,781
2021-05-14	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	2,250	$0.00	$0	0
2021-05-14	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	2,250	$22.23	$50,018	74,597
2021-05-14	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	2,250	$18.11	$40,736	76,847
2021-05-13	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	25,000	$0.00	$0	50,000
2021-05-13	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	25,000	$22.39	$559,695	216,781
2021-05-13	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	25,000	$18.11	$452,625	241,781
2021-05-11	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	150,000	$0.00	$0	150,000
2021-05-11	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	60,297	$22.30	$1,344,798	792,040
2021-05-11	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	89,703	$21.95	$1,968,541	852,337
2021-05-11	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	150,000	$18.11	$2,715,750	942,040
2021-05-07	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	19,477	$0.00	$0	75,000
2021-05-07	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	19,477	$22.10	$430,522	216,781
2021-05-07	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	19,477	$18.11	$352,631	236,258
2021-05-06	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	100,000	$0.00	$0	300,000
2021-05-06	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	100,000	$21.79	$2,179,410	792,040
2021-05-06	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	100,000	$18.11	$1,810,500	892,040
2021-05-03	Jackson Blair Curtis	EVP, Chief Operating Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	34,503	$0.00	$0	0
2021-05-03	Jackson Blair Curtis	EVP, Chief Operating Officer	Open-market sell S	Ordinary Shares	34,503	$22.18	$765,156	68,154
2021-05-03	Jackson Blair Curtis	EVP, Chief Operating Officer	Exercise / conversion M	Ordinary Shares	34,503	$18.11	$624,677	102,657
2021-04-19	Brown Iain Michael	SVP, Chief Financial Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	34,792	$0.00	$0	0
2021-04-19	Brown Iain Michael	SVP, Chief Financial Officer	Open-market sell S	Ordinary Shares	34,792	$20.00	$695,760	48,362
2021-04-19	Brown Iain Michael	SVP, Chief Financial Officer	Exercise / conversion M	Ordinary Shares	34,792	$18.11	$629,909	83,154
2021-04-19	DIXON WENDY L	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	25,000	$0.00	$0	0
2021-04-19	DIXON WENDY L	Dir	Open-market sell S	Ordinary Shares	25,000	$20.00	$500,120	36,600
2021-04-19	DIXON WENDY L	Dir	Exercise / conversion M	Ordinary Shares	25,000	$14.60	$365,000	61,600
2021-04-16	Brown Iain Michael	SVP, Chief Financial Officer	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	208	$0.00	$0	34,792
2021-04-16	Brown Iain Michael	SVP, Chief Financial Officer	Open-market sell S	Ordinary Shares	208	$19.99	$4,158	48,362
2021-04-16	Brown Iain Michael	SVP, Chief Financial Officer	Exercise / conversion M	Ordinary Shares	208	$18.11	$3,766	48,570
2021-04-15	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Open-market sell S	Ordinary Shares	28,920	$19.72	$570,288	0
2021-02-22	POPS RICHARD F	Director and CEO, Alkermes plc	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	342,187	$0.00	$0	342,187
2021-02-21	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	32,400	$0.00	$0	64,800
2021-02-21	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	14,386	$19.58	$281,678	792,040
2021-02-21	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	32,400	$0.00	$0	806,426
2021-02-20	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,824	$0.00	$0	11,473
2021-02-20	Nichols Christian Todd	SVP, Chief Commercial Officer	Other disposed transaction F	Ordinary Shares	1,292	$19.58	$25,297	5,003
2021-02-20	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M	Ordinary Shares	3,824	$0.00	$0	6,295
2021-02-17	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	8,750	$0.00	$0	0
2021-02-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	3,869	$19.97	$77,264	774,026
2021-02-17	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	8,750	$0.00	$0	777,895
2021-02-16	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	18,125	$0.00	$0	18,125
2021-02-16	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	8,074	$19.79	$159,784	769,145
2021-02-16	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	18,125	$0.00	$0	777,219
2021-02-10	Daglio David Angelo Jr.	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	2,223	$0.00	$0	2,223
2021-02-10	Daglio David Angelo Jr.	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	4,549	$0.00	$0	4,549
2021-02-10	Daglio David Angelo Jr.	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	13,336	$0.00	$0	13,336
2021-02-10	Daglio David Angelo Jr.	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	26,169	$0.00	$0	26,169
2021-01-13	DIXON WENDY L	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	20,000	$0.00	$0	0
2021-01-13	DIXON WENDY L	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	15,000	$0.00	$0	0
2021-01-13	DIXON WENDY L	Dir	Exercise / conversion M	Ordinary Shares	20,000	$12.62	$252,400	36,600
2021-01-13	DIXON WENDY L	Dir	Exercise / conversion M	Ordinary Shares	15,000	$12.62	$189,300	16,600
2020-12-02	Wysenski Nancy	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	5,578	$0.00	$0	5,578
2020-12-02	Wysenski Nancy	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	11,509	$0.00	$0	11,509
2020-10-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	20,000	$0.00	$0	0
2020-10-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	20,000	$16.61	$332,262	7,000
2020-10-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	20,000	$14.92	$298,400	27,000
2020-09-28	ANSTICE DAVID W	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	20,000	$0.00	$0	0
2020-09-28	ANSTICE DAVID W	Dir	Open-market sell S	Ordinary Shares	17,832	$16.79	$299,310	68,381
2020-09-28	ANSTICE DAVID W	Dir	Exercise / conversion M	Ordinary Shares	20,000	$14.92	$298,400	86,213
2020-07-14	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	5,523	$0.00	$0	94,477
2020-07-14	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	5,523	$18.11	$99,994	207,345
2020-06-07	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	1,250	$0.00	$0	1,250
2020-06-07	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Other disposed transaction F	Ordinary Shares	368	$17.19	$6,326	14,833
2020-06-07	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	1,250	$0.00	$0	15,201
2020-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,500	$0.00	$0	10,500
2020-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Other disposed transaction F	Ordinary Shares	1,029	$17.19	$17,689	2,471
2020-06-05	Nichols Christian Todd	SVP, Chief Commercial Officer	Exercise / conversion M	Ordinary Shares	3,500	$0.00	$0	3,500
2020-05-20	Wysenski Nancy	Dir	Equity grant / award A · derivative	Restricted Stock Unit Award	6,104	$0.00	$0	6,104
2020-05-20	Wysenski Nancy	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	12,823	$0.00	$0	12,823
2020-05-14	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	75,000	$0.00	$0	0
2020-05-14	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	75,000	$15.00	$1,125,232	759,094
2020-05-14	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	75,000	$11.74	$880,500	834,094
2020-05-13	Brown Iain Michael	SVP Finance & CAO, Alks Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	6,250	$0.00	$0	0
2020-05-13	Brown Iain Michael	SVP Finance & CAO, Alks Inc.	Open-market sell S	Ordinary Shares	6,250	$15.39	$96,193	38,581
2020-05-13	Brown Iain Michael	SVP Finance & CAO, Alks Inc.	Exercise / conversion M	Ordinary Shares	6,250	$11.74	$73,375	44,831
2020-05-12	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	18,000	$0.00	$0	0
2020-05-12	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	18,000	$15.75	$283,469	201,822
2020-05-12	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	18,000	$11.74	$211,320	219,822
2020-05-07	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	50,000	$0.00	$0	75,000
2020-05-07	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	50,000	$14.63	$731,265	759,094
2020-05-07	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	50,000	$11.74	$587,000	809,094
2020-05-05	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	25,000	$0.00	$0	18,000
2020-05-05	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	25,000	$14.06	$351,425	201,822
2020-05-05	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	25,000	$11.74	$293,500	226,822
2020-04-02	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	50,000	$0.00	$0	125,000
2020-04-02	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	50,000	$13.79	$689,500	759,094
2020-04-02	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	50,000	$11.74	$587,000	809,094
2020-03-26	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	75,000	$0.00	$0	175,000
2020-03-26	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	75,000	$14.36	$1,077,225	759,094
2020-03-26	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	75,000	$11.74	$880,500	834,094
2020-03-24	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	25,000	$0.00	$0	43,000
2020-03-24	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	25,000	$13.91	$347,718	201,822
2020-03-24	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	25,000	$11.74	$293,500	226,822
2020-03-19	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	75,000	$0.00	$0	250,000
2020-03-19	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	15,986	$15.04	$240,393	759,094
2020-03-19	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	48,668	$14.51	$706,168	775,080
2020-03-19	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	10,346	$13.42	$138,867	823,748
2020-03-19	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	75,000	$11.74	$880,500	834,094
2020-03-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	25,000	$0.00	$0	68,000
2020-03-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	2,700	$14.26	$38,504	201,822
2020-03-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	22,300	$13.45	$300,002	204,522
2020-03-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	25,000	$11.74	$293,500	226,822
2020-03-01	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	17,500	$0.00	$0	0
2020-03-01	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	7,770	$20.84	$161,927	759,094
2020-03-01	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	17,500	$0.00	$0	766,864
2020-02-24	Wysenski Nancy	Dir	Open-market buy P	Ordinary Shares	6,940	$19.65	$136,371	11,242
2020-02-21	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	32,400	$0.00	$0	97,200
2020-02-21	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	14,386	$20.24	$291,173	749,364
2020-02-21	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	32,400	$0.00	$0	763,750
2020-02-21	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M · derivative	Restricted Stock Unit Award	6,875	$0.00	$0	20,625
2020-02-21	Hopkinson Craig C.	EVP R&D, Chief Medical Officer	Exercise / conversion M	Ordinary Shares	6,875	$0.00	$0	15,955
2020-02-20	POPS RICHARD F	Director and CEO, Alkermes plc	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	358,466	$0.00	$0	358,466
2020-02-17	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	8,750	$0.00	$0	8,750
2020-02-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	3,886	$17.77	$69,054	731,350
2020-02-17	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	8,750	$0.00	$0	735,236
2020-02-16	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	18,125	$0.00	$0	36,250
2020-02-16	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	8,072	$17.77	$143,439	726,486
2020-02-16	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	18,125	$0.00	$0	734,558
2019-12-04	Wilson Frank Anders	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	61,800	$0.00	$0	61,800
2019-12-04	Wilson Frank Anders	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	11,200	$0.00	$0	11,200
2019-11-14	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	100,000	$0.00	$0	0
2019-11-14	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	100,000	$19.50	$1,950,000	716,433
2019-11-14	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	100,000	$9.21	$921,000	816,433
2019-11-13	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	20,000	$0.00	$0	0
2019-11-13	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	20,000	$19.70	$394,056	185,122
2019-11-13	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	20,000	$9.21	$184,200	205,122
2019-11-08	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	30,205	$0.00	$0	100,000
2019-11-08	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	30,205	$19.73	$595,827	716,433
2019-11-08	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	30,205	$9.21	$278,188	746,638
2019-11-07	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	69,795	$0.00	$0	130,205
2019-11-07	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	69,795	$19.81	$1,382,618	716,433
2019-11-07	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	69,795	$9.21	$642,812	786,228
2019-11-06	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	20,000	$0.00	$0	20,000
2019-11-06	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	20,000	$19.76	$395,116	185,122
2019-11-06	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	20,000	$9.21	$184,200	205,122
2019-09-19	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	100,000	$0.00	$0	200,000
2019-09-19	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	100,000	$21.54	$2,153,550	716,433
2019-09-19	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	100,000	$9.21	$921,000	816,433
2019-09-13	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	20,000	$0.00	$0	21,983
2019-09-13	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Exercise / conversion M	Ordinary Shares	20,000	$11.74	$234,800	58,256
2019-09-12	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	100,000	$0.00	$0	300,000
2019-09-12	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	100,000	$22.68	$2,268,220	716,433
2019-09-12	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	100,000	$9.21	$921,000	816,433
2019-09-05	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	100,000	$0.00	$0	400,000
2019-09-05	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	100,000	$20.18	$2,017,830	716,433
2019-09-05	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	100,000	$9.21	$921,000	816,433
2019-07-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	7,000	$0.00	$0	0
2019-07-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	7,000	$8.98	$62,860	7,000
2019-06-07	Hopkinson Craig C.	SVP, Med Dev/Med Affairs, CMO	Exercise / conversion M · derivative	Restricted Stock Unit Award	1,250	$0.00	$0	2,500
2019-06-07	Hopkinson Craig C.	SVP, Med Dev/Med Affairs, CMO	Other disposed transaction F	Ordinary Shares	368	$22.83	$8,401	6,877
2019-06-07	Hopkinson Craig C.	SVP, Med Dev/Med Affairs, CMO	Exercise / conversion M	Ordinary Shares	1,250	$0.00	$0	7,245
2019-05-23	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	50,000	$0.00	$0	0
2019-05-23	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	50,000	$24.22	$1,211,150	716,433
2019-05-23	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	50,000	$8.55	$427,500	766,433
2019-05-22	Wysenski Nancy	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	22,400	$0.00	$0	22,400
2019-05-16	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	60,000	$0.00	$0	50,000
2019-05-16	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	60,000	$25.42	$1,525,278	716,433
2019-05-16	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	60,000	$8.55	$513,000	776,433
2019-05-09	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	7,000	$0.00	$0	0
2019-05-09	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	3,120	$27.00	$84,240	48,550
2019-05-09	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	2,253	$26.75	$60,258	51,670
2019-05-09	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	7,000	$8.55	$59,850	53,923
2019-04-04	Robinson James A. Jr.	President & COO,Alkermes, Inc.	Exercise / conversion M · derivative	Restricted Stock Unit Award	6,250	$0.00	$0	18,750
2019-04-04	Robinson James A. Jr.	President & COO,Alkermes, Inc.	Other disposed transaction F	Ordinary Shares	1,838	$35.89	$65,966	4,412
2019-04-04	Robinson James A. Jr.	President & COO,Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	6,250	$0.00	$0	6,250
2019-04-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	7,000
2019-04-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$36.64	$36,640	0
2019-04-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2019-03-14	Wysenski Nancy	Dir	Open-market buy P	Ordinary Shares	445	$33.06	$14,712	4,302
2019-03-14	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	25,000	$0.00	$0	20,000
2019-03-14	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	25,000	$33.05	$826,372	185,122
2019-03-14	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	25,000	$8.55	$213,750	210,122
2019-03-13	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	15,829	$0.00	$0	110,000
2019-03-13	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	15,829	$33.51	$530,485	716,433
2019-03-13	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	15,829	$8.55	$135,338	732,262
2019-03-12	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	44,171	$0.00	$0	125,829
2019-03-12	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	44,171	$33.24	$1,468,447	716,433
2019-03-12	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	44,171	$8.55	$377,662	760,604
2019-03-07	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	20,000	$0.00	$0	45,000
2019-03-07	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	20,000	$32.07	$641,362	185,122
2019-03-07	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	20,000	$8.55	$171,000	205,122
2019-03-05	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	50,000	$0.00	$0	170,000
2019-03-05	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	50,000	$33.63	$1,681,740	716,433
2019-03-05	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	50,000	$8.55	$427,500	766,433
2019-03-01	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	17,500	$0.00	$0	17,500
2019-03-01	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	7,770	$34.44	$267,599	716,433
2019-03-01	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	17,500	$0.00	$0	724,203
2019-02-26	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	10,000	$0.00	$0	0
2019-02-26	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	3,887	$33.92	$131,847	706,703
2019-02-26	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	10,000	$0.00	$0	710,590
2019-02-21	Wysenski Nancy	Dir	Open-market buy P	Ordinary Shares	3,857	$33.09	$127,628	3,857
2019-02-17	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	8,750	$0.00	$0	17,500
2019-02-17	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	2,573	$32.54	$83,725	700,590
2019-02-17	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	8,750	$0.00	$0	703,163
2019-02-16	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	18,125	$0.00	$0	54,375
2019-02-16	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	5,340	$32.54	$173,764	694,413
2019-02-16	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	18,125	$0.00	$0	699,753
2019-02-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	9,000
2019-02-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$32.73	$32,730	0
2019-02-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2019-01-04	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	10,000
2019-01-04	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$30.00	$30,000	0
2019-01-04	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2018-12-12	ANSTICE DAVID W	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	5,000	$0.00	$0	0
2018-12-12	ANSTICE DAVID W	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	15,000	$0.00	$0	5,000
2018-12-12	ANSTICE DAVID W	Dir	Open-market sell S	Ordinary Shares	5,000	$35.56	$177,789	66,213
2018-12-12	ANSTICE DAVID W	Dir	Exercise / conversion M	Ordinary Shares	5,000	$8.98	$44,900	71,213
2018-12-12	ANSTICE DAVID W	Dir	Open-market sell S	Ordinary Shares	235	$35.92	$8,442	66,213
2018-12-12	ANSTICE DAVID W	Dir	Open-market sell S	Ordinary Shares	3,552	$35.61	$126,480	66,448
2018-12-12	ANSTICE DAVID W	Dir	Exercise / conversion M	Ordinary Shares	15,000	$8.98	$134,700	70,000
2018-12-07	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	12,224	$34.01	$415,738	681,628
2018-12-07	POPS RICHARD F	Director and CEO, Alkermes plc	Equity grant / award A	Ordinary Shares	27,500	$0.00	$0	693,852
2018-12-03	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	11,000
2018-12-03	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$36.45	$36,450	0
2018-12-03	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2018-11-02	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	12,000
2018-11-02	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$37.51	$37,510	0
2018-11-02	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2018-10-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	13,000
2018-10-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$42.42	$42,420	0
2018-10-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2018-09-04	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	14,000
2018-09-04	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$44.58	$44,580	0
2018-09-04	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2018-08-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	15,000
2018-08-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$43.68	$43,680	0
2018-08-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2018-07-16	BLOOM FLOYD E	Dir	Open-market sell S	Ordinary Shares	20,000	$43.95	$879,024	127,923
2018-07-03	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	16,000
2018-07-03	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$41.86	$41,860	0
2018-07-03	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2018-06-12	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Open-market sell S	Ordinary Shares	16,842	$50.00	$842,179	37,234
2018-06-07	Hopkinson Craig C.	SVP, Med Dev/Med Affairs, CMO	Exercise / conversion M · derivative	Restricted Stock Unit Award	1,250	$0.00	$0	3,750
2018-06-07	Hopkinson Craig C.	SVP, Med Dev/Med Affairs, CMO	Other disposed transaction F	Ordinary Shares	369	$48.30	$17,823	881
2018-06-07	Hopkinson Craig C.	SVP, Med Dev/Med Affairs, CMO	Exercise / conversion M	Ordinary Shares	1,250	$0.00	$0	1,250
2018-06-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	17,000
2018-06-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$47.34	$47,340	0
2018-06-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2018-05-24	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	20,000	$0.00	$0	0
2018-05-24	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	20,000	$45.22	$904,424	172,644
2018-05-24	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	20,000	$12.29	$245,800	192,644
2018-05-23	Wysenski Nancy	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	17,500	$0.00	$0	17,500
2018-05-22	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	20,000	$0.00	$0	0
2018-05-22	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	3,682	$46.03	$169,495	666,352
2018-05-22	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	16,318	$45.33	$739,669	670,034
2018-05-22	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	20,000	$12.29	$245,800	686,352
2018-05-18	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	275	$0.00	$0	0
2018-05-18	Gaffin David Joseph	SVP, CLO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	275	$12.29	$3,380	36,638
2018-05-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	20,000	$0.00	$0	20,000
2018-05-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	3,100	$47.15	$146,154	172,644
2018-05-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	16,900	$45.96	$776,692	175,744
2018-05-17	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	20,000	$12.29	$245,800	192,644
2018-05-15	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	50,000	$0.00	$0	20,000
2018-05-15	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	50,000	$46.38	$2,319,100	666,352
2018-05-15	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	50,000	$12.29	$614,500	716,352
2018-05-08	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	50,000	$0.00	$0	70,000
2018-05-08	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	7,360	$44.55	$327,863	666,352
2018-05-08	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	42,640	$44.28	$1,887,912	673,712
2018-05-08	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	50,000	$12.29	$614,500	716,352
2018-05-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	18,000
2018-05-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$44.32	$44,320	0
2018-05-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2018-04-04	Robinson James A. Jr.	President & COO,Alkermes, Inc.	Equity grant / award A · derivative	Restricted Stock Unit Award	25,000	$0.00	$0	25,000
2018-04-04	Robinson James A. Jr.	President & COO,Alkermes, Inc.	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	140,000	$44.16	$6,182,400	140,000
2018-04-02	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	19,000
2018-04-02	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$46.75	$46,750	0
2018-04-02	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$8.98	$8,980	1,000
2018-03-03	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,813	$0.00	$0	0
2018-03-03	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Other disposed transaction F	Ordinary Shares	1,251	$60.05	$75,123	51,065
2018-03-03	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M	Ordinary Shares	2,813	$0.00	$0	52,316
2018-03-01	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M · derivative	Restricted Stock Unit Award	5,250	$0.00	$0	10,500
2018-03-01	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Other disposed transaction F	Ordinary Shares	2,334	$57.41	$133,995	49,503
2018-03-01	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M	Ordinary Shares	5,250	$0.00	$0	51,837
2018-02-26	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,625	$0.00	$0	2,625
2018-02-26	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Other disposed transaction F	Ordinary Shares	1,167	$58.12	$67,826	46,587
2018-02-26	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M	Ordinary Shares	2,625	$0.00	$0	47,754
2018-02-26	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	10,000	$0.00	$0	10,000
2018-02-26	POPS RICHARD F	Director and CEO, Alkermes plc	Other disposed transaction F	Ordinary Shares	4,445	$58.12	$258,343	649,410
2018-02-26	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	10,000	$0.00	$0	653,855
2018-02-23	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Equity grant / award G	Ordinary Shares	1,000	$0.00	$0	45,129
2018-02-17	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M · derivative	Restricted Stock Unit Award	3,000	$0.00	$0	9,000
2018-02-17	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Other disposed transaction F	Ordinary Shares	884	$67.26	$59,458	46,129
2018-02-17	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M	Ordinary Shares	3,000	$0.00	$0	47,013
2018-02-17	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Restricted Stock Unit Award	4,500	$0.00	$0	13,500
2018-02-17	Cooke Shane	President, Alkermes plc	Other disposed transaction F	Ordinary Shares	2,340	$67.26	$157,388	76,868
2018-02-17	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	4,500	$0.00	$0	79,208
2018-02-16	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Equity grant / award A · derivative	Restricted Stock Unit Award	13,500	$0.00	$0	13,500
2018-02-16	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	54,500	$0.00	$0	54,500
2018-02-16	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	10,880	$0.00	$0	5,780
2018-02-16	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Open-market sell S	Ordinary Shares	10,880	$70.50	$767,092	44,013
2018-02-16	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M	Ordinary Shares	10,880	$17.30	$188,224	54,893
2018-02-02	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	72,793	$0.00	$0	50,000
2018-02-02	Cooke Shane	President, Alkermes plc	Open-market sell S	Ordinary Shares	19,504	$61.03	$1,190,292	74,708
2018-02-02	Cooke Shane	President, Alkermes plc	Open-market sell S	Ordinary Shares	53,289	$60.38	$3,217,387	94,212
2018-02-02	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	72,793	$16.55	$1,204,724	147,501
2018-02-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	1,000
2018-02-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$56.77	$56,770	8,000
2018-02-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$11.44	$11,440	9,000
2018-01-29	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	3,300	$0.00	$0	122,793
2018-01-29	Cooke Shane	President, Alkermes plc	Open-market sell S	Ordinary Shares	3,300	$60.00	$198,000	74,708
2018-01-29	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	3,300	$16.55	$54,615	78,008
2018-01-26	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	1,700	$0.00	$0	126,093
2018-01-26	Cooke Shane	President, Alkermes plc	Open-market sell S	Ordinary Shares	1,700	$60.02	$102,028	74,708
2018-01-26	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	1,700	$16.55	$28,135	76,408
2018-01-11	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	6,207	$0.00	$0	127,793
2018-01-11	Cooke Shane	President, Alkermes plc	Open-market sell S	Ordinary Shares	6,207	$60.22	$373,809	74,708
2018-01-11	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	6,207	$16.55	$102,726	80,915
2018-01-02	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	2,000
2018-01-02	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$54.99	$54,990	8,000
2018-01-02	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$11.44	$11,440	9,000
2017-12-29	Brown Iain Michael	SVP Finance & CAO, Alks Inc.	Open-market sell S	Ordinary Shares	10,652	$54.81	$583,886	16,943
2017-12-15	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Equity grant / award G	Ordinary Shares	2,000	$0.00	$0	38,256
2017-12-13	ANSTICE DAVID W	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	20,000	$0.00	$0	0
2017-12-13	ANSTICE DAVID W	Dir	Exercise / conversion M	Ordinary Shares	20,000	$11.44	$228,800	55,000
2017-12-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	3,000
2017-12-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$51.98	$51,980	8,000
2017-12-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$11.44	$11,440	9,000
2017-11-29	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	20,932	$0.00	$0	0
2017-11-29	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Open-market sell S	Ordinary Shares	400	$51.25	$20,500	144,039
2017-11-29	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Open-market sell S	Ordinary Shares	20,532	$50.49	$1,036,749	144,439
2017-11-29	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Exercise / conversion M	Ordinary Shares	20,932	$12.29	$257,254	164,971
2017-11-08	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	20,932	$0.00	$0	20,932
2017-11-08	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Open-market sell S	Ordinary Shares	20,932	$47.58	$996,009	144,039
2017-11-08	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Exercise / conversion M	Ordinary Shares	20,932	$12.29	$257,254	164,971
2017-11-02	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	50,000	$0.00	$0	0
2017-11-02	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	50,000	$48.87	$2,443,410	637,686
2017-11-02	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	50,000	$14.13	$706,500	687,686
2017-11-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,000	$0.00	$0	4,000
2017-11-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,000	$49.16	$49,160	8,000
2017-11-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,000	$11.44	$11,440	9,000
2017-10-02	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,500	$0.00	$0	5,000
2017-10-02	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,500	$50.64	$75,960	8,000
2017-10-02	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,500	$11.44	$17,160	9,500
2017-09-15	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	1,935	$0.00	$0	118,065
2017-09-15	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Other disposed transaction F	Ordinary Shares	613	$52.22	$32,011	60,976
2017-09-15	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Other disposed transaction F	Ordinary Shares	670	$52.22	$34,987	59,654
2017-09-15	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Other disposed transaction F	Ordinary Shares	435	$52.22	$22,716	58,389
2017-09-15	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Exercise / conversion M	Ordinary Shares	1,935	$16.55	$32,024	61,589
2017-09-12	BLOOM FLOYD E	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	20,000	$0.00	$0	0
2017-09-12	BLOOM FLOYD E	Dir	Exercise / conversion M	Ordinary Shares	20,000	$11.44	$228,800	20,000
2017-09-11	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	13,566	$0.00	$0	0
2017-09-11	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Open-market sell S	Ordinary Shares	2,499	$51.77	$129,379	56,889
2017-09-11	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Open-market sell S	Ordinary Shares	11,067	$51.18	$566,438	59,388
2017-09-11	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Exercise / conversion M	Ordinary Shares	13,566	$14.13	$191,688	70,455
2017-09-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,500	$0.00	$0	6,500
2017-09-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,500	$50.77	$76,155	8,000
2017-09-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,500	$11.44	$17,160	9,500
2017-08-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,500	$0.00	$0	8,000
2017-08-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,500	$54.91	$82,365	8,000
2017-08-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,500	$11.44	$17,160	9,500
2017-07-03	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,500	$0.00	$0	9,500
2017-07-03	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,500	$58.11	$87,165	8,000
2017-07-03	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,500	$11.44	$17,160	9,500
2017-06-09	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Equity grant / award G	Ordinary Shares	2,000	$0.00	$0	127,477
2017-06-08	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	10,000	$0.00	$0	16,660
2017-06-08	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Open-market sell S	Ordinary Shares	10,000	$60.34	$603,352	44,013
2017-06-08	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M	Ordinary Shares	10,000	$17.30	$173,000	54,013
2017-06-01	MITCHELL PAUL J	Dir	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	1,500	$0.00	$0	11,000
2017-06-01	MITCHELL PAUL J	Dir	Open-market sell S	Ordinary Shares	1,500	$57.49	$86,235	8,000
2017-06-01	MITCHELL PAUL J	Dir	Exercise / conversion M	Ordinary Shares	1,500	$11.44	$17,160	9,500
2017-05-28	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,500	$0.00	$0	0
2017-05-28	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M	Ordinary Shares	2,500	$0.00	$0	44,013
2017-05-24	Wysenski Nancy	Dir	Equity grant / award A · derivative	Non Qualified Stock Option (Right to Buy)	14,200	$0.00	$0	14,200
2017-05-18	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Incentive Stock Option (Right to Buy)	5,000	$0.00	$0	0
2017-05-18	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	5,000	$0.00	$0	0
2017-05-18	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	1,300	$57.81	$75,155	162,370
2017-05-18	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	8,700	$57.14	$497,099	163,670
2017-05-18	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	5,000	$15.95	$79,750	172,370
2017-05-17	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	50,000	$0.00	$0	18,731
2017-05-17	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	5,939	$59.06	$350,743	630,406
2017-05-17	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	32,406	$58.37	$1,891,639	636,345
2017-05-17	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	11,655	$57.23	$667,058	668,751
2017-05-17	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	50,000	$15.95	$797,500	680,406
2017-05-11	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	10,000	$0.00	$0	5,000
2017-05-11	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Open-market sell S	Ordinary Shares	10,000	$57.01	$570,082	162,370
2017-05-11	LANDINE MICHAEL J	SVP, Corp Dev., Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	10,000	$15.95	$159,500	172,370
2017-05-10	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	25,000	$0.00	$0	68,731
2017-05-10	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	7,841	$57.67	$452,156	630,406
2017-05-10	POPS RICHARD F	Director and CEO, Alkermes plc	Open-market sell S	Ordinary Shares	17,159	$57.12	$980,088	638,247
2017-05-10	POPS RICHARD F	Director and CEO, Alkermes plc	Exercise / conversion M	Ordinary Shares	25,000	$15.95	$398,750	655,406
2017-05-04	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	6,500	$0.00	$0	144,000
2017-05-04	Cooke Shane	President, Alkermes plc	Open-market sell S	Ordinary Shares	6,500	$60.05	$390,328	71,948
2017-05-04	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	6,500	$16.55	$107,575	78,448
2017-05-01	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	3,500	$0.00	$0	150,500
2017-05-01	Cooke Shane	President, Alkermes plc	Open-market sell S	Ordinary Shares	3,500	$60.05	$210,165	71,948
2017-05-01	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	3,500	$16.55	$57,925	75,448
2017-04-17	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	10,000	$0.00	$0	9,801
2017-04-17	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	10,000	$56.60	$565,986	55,071
2017-04-17	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	10,000	$16.55	$165,500	65,071
2017-04-03	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Exercise / conversion M · derivative	Non Qualified Stock Option (Right to Buy)	15,000	$0.00	$0	0
2017-04-03	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Open-market sell S	Ordinary Shares	300	$59.12	$17,738	54,904
2017-04-03	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Open-market sell S	Ordinary Shares	3,763	$58.35	$219,588	55,204
2017-04-03	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Open-market sell S	Ordinary Shares	10,937	$57.41	$627,908	58,967
2017-04-03	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Exercise / conversion M	Ordinary Shares	15,000	$15.95	$239,250	69,904
2017-03-29	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	1,870	$0.00	$0	154,000
2017-03-29	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	200	$0.00	$0	0
2017-03-29	Cooke Shane	President, Alkermes plc	Open-market sell S	Ordinary Shares	2,070	$60.00	$124,200	71,948
2017-03-29	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	1,870	$16.55	$30,948	74,018
2017-03-29	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	200	$14.60	$2,920	72,148
2017-03-23	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	3,030	$0.00	$0	155,870
2017-03-23	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	3,000	$0.00	$0	200
2017-03-23	Cooke Shane	President, Alkermes plc	Open-market sell S	Ordinary Shares	6,030	$60.01	$361,856	71,948
2017-03-23	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	3,030	$16.55	$50,146	77,978
2017-03-23	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	3,000	$14.60	$43,800	74,948
2017-03-21	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	900	$0.00	$0	158,900
2017-03-21	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	700	$0.00	$0	3,200
2017-03-21	Cooke Shane	President, Alkermes plc	Open-market sell S	Ordinary Shares	1,600	$60.10	$96,162	71,948
2017-03-21	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	900	$16.55	$14,895	73,548
2017-03-21	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	700	$14.60	$10,220	72,648
2017-03-20	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	200	$0.00	$0	159,800
2017-03-20	Cooke Shane	President, Alkermes plc	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	100	$0.00	$0	3,900
2017-03-20	Cooke Shane	President, Alkermes plc	Open-market sell S	Ordinary Shares	300	$60.00	$18,000	71,948
2017-03-20	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	200	$16.55	$3,310	72,248
2017-03-20	Cooke Shane	President, Alkermes plc	Exercise / conversion M	Ordinary Shares	100	$14.60	$1,460	72,048
2017-03-15	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	10,000	$0.00	$0	19,801
2017-03-15	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	6,900	$57.00	$393,321	55,071
2017-03-15	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	4,100	$56.29	$230,787	61,971
2017-03-15	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	10,000	$16.55	$165,500	66,071
2017-03-10	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	8,137	$0.00	$0	36,863
2017-03-10	BIBERSTEIN KATHRYN L	EVP/CAO/CCO Alks Inc; Sec ALKS	Exercise / conversion M	Ordinary Shares	8,137	$12.29	$100,004	54,904
2017-03-07	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	25,000	$0.00	$0	68,958
2017-03-07	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Open-market sell S	Ordinary Shares	400	$59.57	$23,828	119,053
2017-03-07	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Open-market sell S	Ordinary Shares	24,600	$59.07	$1,453,240	119,453
2017-03-07	FRATES JAMES M	SVP, Alks Inc; CFO ALKS	Exercise / conversion M	Ordinary Shares	25,000	$16.55	$413,750	144,053
2017-03-03	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,812	$0.00	$0	2,813
2017-03-03	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M	Ordinary Shares	2,812	$0.00	$0	41,513
2017-03-02	BREYER ROBERT A	Dir	Open-market sell S	Ordinary Shares	4,000	$60.00	$240,000	7,156
2017-03-01	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M · derivative	Restricted Stock Unit Award	5,250	$0.00	$0	15,750
2017-03-01	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Other disposed transaction F	Ordinary Shares	2,437	$59.71	$145,513	38,701
2017-03-01	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M	Ordinary Shares	5,250	$0.00	$0	41,138
2017-02-26	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M · derivative	Restricted Stock Unit Award	2,625	$0.00	$0	5,250
2017-02-26	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Other disposed transaction F	Ordinary Shares	852	$52.98	$45,139	35,888
2017-02-26	Stejbach Mark	SVP/Chief Comm Off, Alks Inc	Exercise / conversion M	Ordinary Shares	2,625	$0.00	$0	36,740
2017-02-21	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Equity grant / award G	Ordinary Shares	600	$0.00	$0	49,057
2017-02-17	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Equity grant / award A · derivative	Employee Stock Option (Right to Buy)	65,000	$0.00	$0	65,000
2017-02-17	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Equity grant / award A · derivative	Restricted Stock Unit Award	15,000	$0.00	$0	15,000
2017-02-16	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Exercise / conversion M · derivative	Employee Stock Option (Right to Buy)	10,000	$0.00	$0	29,801
2017-02-16	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	6,085	$56.84	$345,854	49,657
2017-02-16	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	3,915	$56.05	$219,418	55,742
2017-02-16	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Exercise / conversion M	Ordinary Shares	10,000	$16.55	$165,500	59,657
2017-02-15	Ehrich Elliot	EVP, R&D & CMO, Alkermes, Inc.	Open-market sell S	Ordinary Shares	1,000	$58.17	$58,170	49,657

Regulatory Activity

Last 12 months to 2025-04-29

Insider Filings (Forms 3/4/5) — 12 months

Material Event Filings (8-K) — 12 months

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Insider Trading Activity (Forms 3/4/5)

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