Financial Metrics

CLH CLEAN HARBORS INC

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	2016-03-31	-0.36	—	USD/shares	10-Q	2017-05-03
Quarterly	2016-06-30	0.07	+119.4%	USD/shares	10-Q	2017-08-02
Quarterly	2016-09-30	-0.18	-357.1%	USD/shares	10-Q	2017-11-01
Quarterly	2017-03-31	-0.37	-105.6%	USD/shares	10-Q	2018-05-02
Quarterly	2017-06-30	0.45	+221.6%	USD/shares	10-Q	2018-08-01
Quarterly	2017-09-30	0.21	-53.3%	USD/shares	10-Q	2018-10-31
Quarterly	2018-03-31	-0.22	-204.8%	USD/shares	10-Q	2019-05-01
Quarterly	2018-06-30	0.54	+345.5%	USD/shares	10-Q	2019-07-31
Quarterly	2018-09-30	0.55	+1.9%	USD/shares	10-Q	2019-10-30
Quarterly	2019-03-31	0.02	-96.4%	USD/shares	10-Q	2020-04-29
Quarterly	2019-06-30	0.65	+3150.0%	USD/shares	10-Q	2020-08-05
Quarterly	2019-09-30	0.65	+0.0%	USD/shares	10-Q	2020-11-04
Quarterly	2020-03-31	0.21	-67.7%	USD/shares	10-Q	2021-05-05
Quarterly	2020-06-30	0.52	+147.6%	USD/shares	10-Q	2021-08-04
Quarterly	2020-09-30	0.99	+90.4%	USD/shares	10-Q	2021-11-03
Quarterly	2021-03-31	0.39	-60.6%	USD/shares	10-Q	2022-05-04
Quarterly	2021-06-30	1.22	+212.8%	USD/shares	10-Q	2022-08-03
Quarterly	2021-09-30	1.2	-1.6%	USD/shares	10-Q	2022-11-02
Quarterly	2022-03-31	0.83	-30.8%	USD/shares	10-Q	2023-05-03
Quarterly	2022-06-30	2.71	+226.5%	USD/shares	10-Q	2023-08-02
Quarterly	2022-09-30	2.5	-7.7%	USD/shares	10-Q	2023-11-01
Quarterly	2023-03-31	1.33	-46.8%	USD/shares	10-Q	2024-05-01
Quarterly	2023-06-30	2.13	+60.2%	USD/shares	10-Q	2024-07-31
Quarterly	2023-09-30	1.68	-21.1%	USD/shares	10-Q	2024-10-30
Quarterly	2024-03-31	1.29	-23.2%	USD/shares	10-Q	2025-04-30
Quarterly	2024-06-30	2.46	+90.7%	USD/shares	10-Q	2025-07-30
Quarterly	2024-09-30	2.12	-13.8%	USD/shares	10-Q	2025-10-29
Quarterly	2025-03-31	1.09	-48.6%	USD/shares	10-Q	2025-04-30
Quarterly	2025-06-30	2.36	+116.5%	USD/shares	10-Q	2025-07-30
Quarterly	2025-09-30	2.21	-6.4%	USD/shares	10-Q	2025-10-29
Annual	2016-12-31	-0.69	—	USD/shares	10-K	2019-02-27
Annual	2017-12-31	1.76	+355.1%	USD/shares	10-K	2020-02-26
Annual	2018-12-31	1.16	-34.1%	USD/shares	10-K	2021-02-24
Annual	2019-12-31	1.74	+50.0%	USD/shares	10-K	2022-02-23
Annual	2020-12-31	2.42	+39.1%	USD/shares	10-K	2023-03-01
Annual	2021-12-31	3.71	+53.3%	USD/shares	10-K	2024-02-21
Annual	2022-12-31	7.56	+103.8%	USD/shares	10-K	2025-02-19
Annual	2023-12-31	6.95	-8.1%	USD/shares	10-K	2026-02-18
Annual	2024-12-31	7.42	+6.8%	USD/shares	10-K	2026-02-18
Annual	2025-12-31	7.28	-1.9%	USD/shares	10-K	2026-02-18

Balance Sheet

Frequency	Period End	Value	% Chg	Unit	Form	Filed
Quarterly	2016-03-31	1631603000.0	—	USD	10-Q	2016-05-04
Quarterly	2016-06-30	1631881000.0	+0.0%	USD	10-Q	2016-08-03
Quarterly	2016-09-30	1632577000.0	+0.0%	USD	10-Q	2016-11-02
Quarterly	2016-12-31	1633272000.0	+0.0%	USD	10-Q	2017-11-01
Quarterly	2017-03-31	1633968000.0	+0.0%	USD	10-Q	2017-05-03
Quarterly	2017-06-30	1734303000.0	+6.1%	USD	10-Q	2017-08-02
Quarterly	2017-09-30	1629971000.0	-6.0%	USD	10-Q	2017-11-01
Quarterly	2017-12-31	1629537000.0	-0.0%	USD	10-Q	2018-10-31
Quarterly	2018-03-31	1629259000.0	-0.0%	USD	10-Q	2018-05-02
Quarterly	2018-06-30	1628727000.0	-0.0%	USD	10-Q	2018-08-01
Quarterly	2018-09-30	1623691000.0	-0.3%	USD	10-Q	2018-10-31
Quarterly	2018-12-31	1565021000.0	-3.6%	USD	10-Q	2019-10-30
Quarterly	2019-03-31	1564005000.0	-0.1%	USD	10-Q	2019-05-01
Quarterly	2019-06-30	1562989000.0	-0.1%	USD	10-Q	2019-07-31
Quarterly	2019-09-30	1555257000.0	-0.5%	USD	10-Q	2019-10-30
Quarterly	2019-12-31	1554116000.0	-0.1%	USD	10-Q	2020-11-04
Quarterly	2020-03-31	1702992000.0	+9.6%	USD	10-Q	2020-04-29
Quarterly	2020-06-30	1626871000.0	-4.5%	USD	10-Q	2020-08-05
Quarterly	2020-09-30	1550756000.0	-4.7%	USD	10-Q	2020-11-04
Quarterly	2020-12-31	1549641000.0	-0.1%	USD	10-Q	2021-11-03
Quarterly	2021-03-31	1548517000.0	-0.1%	USD	10-Q	2021-05-05
Quarterly	2021-06-30	1547398000.0	-0.1%	USD	10-Q	2021-08-04
Quarterly	2021-09-30	1546284000.0	-0.1%	USD	10-Q	2021-11-03
Quarterly	2021-12-31	2517024000.0	+62.8%	USD	10-Q	2022-11-02
Quarterly	2022-03-31	2513944000.0	-0.1%	USD	10-Q	2022-05-04
Quarterly	2022-06-30	2510963000.0	-0.1%	USD	10-Q	2022-08-03
Quarterly	2022-09-30	2507946000.0	-0.1%	USD	10-Q	2022-11-02
Quarterly	2022-12-31	2414828000.0	-3.7%	USD	10-Q	2023-11-01
Quarterly	2023-03-31	2409654000.0	-0.2%	USD	10-Q	2023-05-03
Quarterly	2023-06-30	2294306000.0	-4.8%	USD	10-Q	2023-08-02
Quarterly	2023-09-30	2292952000.0	-0.1%	USD	10-Q	2023-11-01
Quarterly	2023-12-31	2291717000.0	-0.1%	USD	10-Q	2024-10-30
Quarterly	2024-03-31	2778624000.0	+21.2%	USD	10-Q	2024-05-01
Quarterly	2024-06-30	2775837000.0	-0.1%	USD	10-Q	2024-07-31
Quarterly	2024-09-30	2773659000.0	-0.1%	USD	10-Q	2024-10-30
Quarterly	2024-12-31	2771117000.0	-0.1%	USD	10-Q	2025-10-29
Quarterly	2025-03-31	2768815000.0	-0.1%	USD	10-Q	2025-04-30
Quarterly	2025-06-30	2766530000.0	-0.1%	USD	10-Q	2025-07-30
Quarterly	2025-09-30	2764231000.0	-0.1%	USD	10-Q	2025-10-29
Annual	2016-12-31	1633272000.0	—	USD	10-K	2018-02-28
Annual	2017-12-31	1625537000.0	-0.5%	USD	10-K	2019-02-27
Annual	2018-12-31	1565021000.0	-3.7%	USD	10-K	2020-02-26
Annual	2019-12-31	1554116000.0	-0.7%	USD	10-K	2021-02-24
Annual	2020-12-31	1549641000.0	-0.3%	USD	10-K	2022-02-23
Annual	2021-12-31	2517024000.0	+62.4%	USD	10-K	2023-03-01
Annual	2022-12-31	2414828000.0	-4.1%	USD	10-K	2024-02-21
Annual	2023-12-31	2291717000.0	-5.1%	USD	10-K	2025-02-19
Annual	2024-12-31	2771117000.0	+20.9%	USD	10-K	2026-02-18
Annual	2025-12-31	2763563000.0	-0.3%	USD	10-K	2026-02-18

Cash Flow

Frequency	Period End	Value	% Chg	Unit	Form	Filed
Quarterly	2016-03-31	75781000.0	—	USD	10-Q	2017-05-03
Quarterly	2016-06-30	123529000.0	+63.0%	USD	10-Q	2017-08-02
Quarterly	2016-09-30	175348000.0	+41.9%	USD	10-Q	2017-11-01
Quarterly	2017-03-31	42462000.0	-75.8%	USD	10-Q	2018-05-02
Quarterly	2017-06-30	88742000.0	+109.0%	USD	10-Q	2018-08-01
Quarterly	2017-09-30	127736000.0	+43.9%	USD	10-Q	2018-10-31
Quarterly	2018-03-31	44242000.0	-65.4%	USD	10-Q	2019-05-01
Quarterly	2018-06-30	94139000.0	+112.8%	USD	10-Q	2019-07-31
Quarterly	2018-09-30	150722000.0	+60.1%	USD	10-Q	2019-10-30
Quarterly	2019-03-31	58947000.0	-60.9%	USD	10-Q	2020-04-29
Quarterly	2019-06-30	118372000.0	+100.8%	USD	10-Q	2020-08-05
Quarterly	2019-09-30	174533000.0	+47.4%	USD	10-Q	2020-11-04
Quarterly	2020-03-31	82767000.0	-52.6%	USD	10-Q	2021-05-05
Quarterly	2020-06-30	125721000.0	+51.9%	USD	10-Q	2021-08-04
Quarterly	2020-09-30	150357000.0	+19.6%	USD	10-Q	2021-11-03
Quarterly	2021-03-31	41913000.0	-72.1%	USD	10-Q	2022-05-04
Quarterly	2021-06-30	91988000.0	+119.5%	USD	10-Q	2022-08-03
Quarterly	2021-09-30	146654000.0	+59.4%	USD	10-Q	2022-11-02
Quarterly	2022-03-31	70308000.0	-52.1%	USD	10-Q	2023-05-03
Quarterly	2022-06-30	148042000.0	+110.6%	USD	10-Q	2023-08-02
Quarterly	2022-09-30	244547000.0	+65.2%	USD	10-Q	2023-11-01
Quarterly	2023-03-31	81686000.0	-66.6%	USD	10-Q	2024-05-01
Quarterly	2023-06-30	204298000.0	+150.1%	USD	10-Q	2024-07-31
Quarterly	2023-09-30	311906000.0	+52.7%	USD	10-Q	2024-10-30
Quarterly	2024-03-31	137913000.0	-55.8%	USD	10-Q	2025-04-30
Quarterly	2024-06-30	273023000.0	+98.0%	USD	10-Q	2025-07-30
Quarterly	2024-09-30	369826000.0	+35.5%	USD	10-Q	2025-10-29
Quarterly	2025-03-31	118695000.0	-67.9%	USD	10-Q	2025-04-30
Quarterly	2025-06-30	208724000.0	+75.8%	USD	10-Q	2025-07-30
Quarterly	2025-09-30	303169000.0	+45.2%	USD	10-Q	2025-10-29
Annual	2016-12-31	219384000.0	—	USD	10-K	2019-02-27
Annual	2017-12-31	167007000.0	-23.9%	USD	10-K	2020-02-26
Annual	2018-12-31	193344000.0	+15.8%	USD	10-K	2021-02-24
Annual	2019-12-31	216324000.0	+11.9%	USD	10-K	2022-02-23
Annual	2020-12-31	196256000.0	-9.3%	USD	10-K	2023-03-01
Annual	2021-12-31	241856000.0	+23.2%	USD	10-K	2024-02-21
Annual	2022-12-31	345056000.0	+42.7%	USD	10-K	2025-02-19
Annual	2023-12-31	422300000.0	+22.4%	USD	10-K	2026-02-18
Annual	2024-12-31	432241000.0	+2.4%	USD	10-K	2026-02-18
Annual	2025-12-31	424918000.0	-1.7%	USD	10-K	2026-02-18

Share Data

Frequency	Period End	Value	% Chg	Unit	Form	Filed
Quarterly	2016-03-31	57617000.0	—	shares	10-Q	2017-05-03
Quarterly	2016-06-30	57678000.0	+0.1%	shares	10-Q	2017-08-02
Quarterly	2016-09-30	57487000.0	-0.3%	shares	10-Q	2017-11-01
Quarterly	2017-03-31	57262000.0	-0.4%	shares	10-Q	2018-05-02
Quarterly	2017-06-30	57336000.0	+0.1%	shares	10-Q	2018-08-01
Quarterly	2017-09-30	57195000.0	-0.2%	shares	10-Q	2018-10-31
Quarterly	2018-03-31	56457000.0	-1.3%	shares	10-Q	2019-05-01
Quarterly	2018-06-30	56505000.0	+0.1%	shares	10-Q	2019-07-31
Quarterly	2018-09-30	56291000.0	-0.4%	shares	10-Q	2019-10-30
Quarterly	2019-03-31	56082000.0	-0.4%	shares	10-Q	2020-04-29
Quarterly	2019-06-30	56066000.0	-0.0%	shares	10-Q	2020-08-05
Quarterly	2019-09-30	56165000.0	+0.2%	shares	10-Q	2020-11-04
Quarterly	2020-03-31	56055000.0	-0.2%	shares	10-Q	2021-05-05
Quarterly	2020-06-30	55748000.0	-0.5%	shares	10-Q	2021-08-04
Quarterly	2020-09-30	55738000.0	-0.0%	shares	10-Q	2021-11-03
Quarterly	2021-03-31	55043000.0	-1.2%	shares	10-Q	2022-05-04
Quarterly	2021-06-30	54854000.0	-0.3%	shares	10-Q	2022-08-03
Quarterly	2021-09-30	54707000.0	-0.3%	shares	10-Q	2022-11-02
Quarterly	2022-03-31	54672000.0	-0.1%	shares	10-Q	2023-05-03
Quarterly	2022-06-30	54597000.0	-0.1%	shares	10-Q	2023-08-02
Quarterly	2022-09-30	54381000.0	-0.4%	shares	10-Q	2023-11-01
Quarterly	2023-03-31	54404000.0	+0.0%	shares	10-Q	2024-05-01
Quarterly	2023-06-30	54448000.0	+0.1%	shares	10-Q	2024-07-31
Quarterly	2023-09-30	54419000.0	-0.1%	shares	10-Q	2024-10-30
Quarterly	2024-03-31	54213000.0	-0.4%	shares	10-Q	2025-04-30
Quarterly	2024-06-30	54248000.0	+0.1%	shares	10-Q	2025-07-30
Quarterly	2024-09-30	54229000.0	-0.0%	shares	10-Q	2025-10-29
Quarterly	2025-03-31	53993000.0	-0.4%	shares	10-Q	2025-04-30
Quarterly	2025-06-30	53799000.0	-0.4%	shares	10-Q	2025-07-30
Quarterly	2025-09-30	53713000.0	-0.2%	shares	10-Q	2025-10-29
Annual	2016-12-31	57532000.0	—	shares	10-K	2019-02-27
Annual	2017-12-31	57200000.0	-0.6%	shares	10-K	2020-02-26
Annual	2018-12-31	56340000.0	-1.5%	shares	10-K	2021-02-24
Annual	2019-12-31	56129000.0	-0.4%	shares	10-K	2022-02-23
Annual	2020-12-31	55690000.0	-0.8%	shares	10-K	2023-03-01
Annual	2021-12-31	54761000.0	-1.7%	shares	10-K	2024-02-21
Annual	2022-12-31	54487000.0	-0.5%	shares	10-K	2025-02-19
Annual	2023-12-31	54382000.0	-0.2%	shares	10-K	2026-02-18
Annual	2024-12-31	54199000.0	-0.3%	shares	10-K	2026-02-18
Annual	2025-12-31	53716000.0	-0.9%	shares	10-K	2026-02-18

Credit and Bond Coverage

Company-level

Long-Term Debt (latest annual)

2,763,563,000

Total Liabilities (latest annual)

2,568,565,000

Current Liabilities (latest annual)

1,136,847,000

Metrics

Frequency	Period End	Value	% Chg	Unit	Form	Filed
Quarterly	2016-03-31	-0.0187	—	ratio	10-Q	2017-05-03
Quarterly	2016-06-30	0.0036	+119.0%	ratio	10-Q	2017-08-02
Quarterly	2016-09-30	-0.0093	-362.2%	ratio	10-Q	2017-11-01
Quarterly	2017-03-31	-0.0201	-115.9%	ratio	10-Q	2018-05-02
Quarterly	2017-06-30	0.0235	+216.9%	ratio	10-Q	2018-08-01
Quarterly	2017-09-30	0.0107	-54.5%	ratio	10-Q	2018-10-31
Quarterly	2018-03-31	-0.0110	-203.2%	ratio	10-Q	2019-10-30
Quarterly	2018-06-30	0.0265	+340.2%	ratio	10-Q	2019-10-30
Quarterly	2018-09-30	0.0260	-2.0%	ratio	10-Q	2019-10-30
Quarterly	2019-03-31	0.0008	-96.8%	ratio	10-Q	2020-11-04
Quarterly	2019-06-30	0.0300	+3498.4%	ratio	10-Q	2020-11-04
Quarterly	2019-09-30	0.0294	-1.8%	ratio	10-Q	2020-11-04
Quarterly	2020-03-31	0.0096	-67.4%	ratio	10-Q	2021-11-03
Quarterly	2020-06-30	0.0231	+141.2%	ratio	10-Q	2021-11-03
Quarterly	2020-09-30	0.0421	+81.8%	ratio	10-Q	2021-11-03
Quarterly	2021-03-31	0.0161	-61.7%	ratio	10-Q	2022-11-02
Quarterly	2021-06-30	0.0476	+195.2%	ratio	10-Q	2022-11-02
Quarterly	2021-09-30	0.0447	-6.0%	ratio	10-Q	2022-11-02
Quarterly	2022-03-31	0.0284	-36.4%	ratio	10-Q	2023-11-01
Quarterly	2022-06-30	0.0863	+203.4%	ratio	10-Q	2023-11-01
Quarterly	2022-09-30	0.0739	-14.4%	ratio	10-Q	2023-11-01
Quarterly	2023-03-31	0.0366	-50.5%	ratio	10-Q	2024-10-30
Quarterly	2023-06-30	0.0549	+50.1%	ratio	10-Q	2024-10-30
Quarterly	2023-09-30	0.0418	-23.8%	ratio	10-Q	2024-10-30
Quarterly	2024-03-31	0.0302	-27.7%	ratio	10-Q	2025-10-29
Quarterly	2024-06-30	0.0546	+80.7%	ratio	10-Q	2025-10-29
Quarterly	2024-09-30	0.0456	-16.5%	ratio	10-Q	2025-10-29
Quarterly	2025-03-31	0.0228	-49.9%	ratio	10-Q	2025-10-29
Quarterly	2025-06-30	0.0468	+104.9%	ratio	10-Q	2025-10-29
Quarterly	2025-09-30	0.0428	-8.5%	ratio	10-Q	2025-10-29
Annual	2016-12-31	-0.0368	—	ratio	10-K	2019-02-27
Annual	2017-12-31	0.0848	+330.5%	ratio	10-K	2020-02-26
Annual	2018-12-31	0.0561	-33.8%	ratio	10-K	2021-02-24
Annual	2019-12-31	0.0770	+37.2%	ratio	10-K	2022-02-23
Annual	2020-12-31	0.1005	+30.6%	ratio	10-K	2023-03-01
Annual	2021-12-31	0.1343	+33.6%	ratio	10-K	2024-02-21
Annual	2022-12-31	0.2142	+59.5%	ratio	10-K	2025-02-19
Annual	2023-12-31	0.1681	-21.5%	ratio	10-K	2026-02-18
Annual	2024-12-31	0.1563	-7.0%	ratio	10-K	2026-02-18
Annual	2025-12-31	0.1424	-8.9%	ratio	10-K	2026-02-18

8-K Material Event Details

46 filings · 107 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

328 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
2026-03-18	GERSTENBERG ERIC W	CO-CEO	Open-market sell S	Common Stock	1,000	$293.00	$293,000	38,877
2026-03-17	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	4,683	$293.39	$1,373,945	48,728
2026-03-13	Weber Brian P	EVP (CHESI)	Other disposed transaction D	Common Stock	1,869	$0.00	$0	53,411
2026-03-13	Weber Brian P	EVP (CHESI)	Other disposed transaction F	Common Stock	960	$288.93	$277,373	55,280
2026-03-04	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	100,000	$292.65	$29,265,000	2,065,368
2026-02-23	GERSTENBERG ERIC W	CO-CEO	Open-market sell S	Common Stock	2,500	$279.86	$699,650	43,020
2026-02-20	Gabriel Sharon M.	EVP/CIO (CHESI)	Open-market sell S	Common Stock	3,540	$282.07	$998,528	23,193
2026-02-19	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	10,000	$0.00	$0	2,265,368
2026-02-19	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	100,000	$281.14	$28,114,000	2,275,368
2026-02-02	Battles Michael Louis	CO-CEO	Other disposed transaction F	Common Stock	5,205	$259.91	$1,352,832	77,706
2026-02-02	CURTIS GEORGE L	EXEC. VICE PRESIDENT (CHESI)	Other disposed transaction F	Common Stock	249	$259.91	$64,718	47,415
2026-02-01	Battles Michael Louis	CO-CEO	Equity grant / award A	Common Stock	10,690	$0.00	$0	98,686
2026-02-01	Battles Michael Louis	CO-CEO	Equity grant / award A	Common Stock	10,290	$0.00	$0	87,996
2026-01-02	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	525	$234.48	$123,102	27,241
2025-12-17	Welch John R.	—	Equity grant / award G	Common Stock	415	$0.00	$0	10,987
2025-12-16	GERSTENBERG ERIC W	CO-CEO	Open-market sell S	Common Stock	601	$240.90	$144,781	50,454
2025-12-15	Underwood Rebecca	PRESIDENT & EVP FACILITIES	Other disposed transaction F	Common Stock	51	$240.71	$12,276	17,284
2025-12-09	CURTIS GEORGE L	EXEC. VICE PRESIDENT (CHESI)	Equity grant / award G	Common Stock	1,000	$0.00	$0	47,664
2025-12-01	Harrison Robert W.	EVP, EHS	Other disposed transaction F	Common Stock	122	$228.54	$27,882	5,801
2025-11-13	States Lauren	—	Equity grant / award G	Common Stock	245	$0.00	$0	11,496
2025-11-01	Geer Charles H. II	EVP, Industrial Services	Other disposed transaction F	Common Stock	294	$210.51	$61,890	8,842
2025-09-16	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	4,283	$0.00	$0	2,342,461
2025-09-16	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	8,567	$0.00	$0	2,346,744
2025-08-05	Robertson Andrea	—	Equity grant / award G	Common Stock	430	$0.00	$0	9,458
2025-08-01	Battles Michael Louis	CO-CEO	Open-market buy P	Common Stock	2,000	$233.50	$467,000	82,911
2025-07-31	Robertson Andrea	—	Open-market sell S	Common Stock	836	$233.64	$195,323	9,888
2025-07-01	Underwood Rebecca	PRESIDENT & EVP FACILITIES	Other disposed transaction F	Common Stock	1,051	$229.55	$241,257	17,335
2025-06-13	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	3,035	$227.17	$689,461	54,548
2025-06-06	GERSTENBERG ERIC W	CO-CEO	Open-market sell S	Common Stock	8,076	$225.23	$1,818,957	51,619
2025-06-05	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	58,156	$223.80	$13,015,313	2,297,896
2025-06-05	Quirk Alison A.	—	Open-market sell S	Common Stock	893	$223.69	$199,755	2,978
2025-06-04	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	41,844	$225.40	$9,431,638	2,356,052
2025-06-02	Dugas Eric J.	EVP CHIEF FINANCIAL OFFICER	Other disposed transaction F	Common Stock	806	$226.79	$182,793	19,901
2025-05-28	Welch John R.	—	Open-market sell S	Common Stock	1,250	$228.51	$285,638	11,402
2025-05-27	Speights Robert	PRESIDENT, INDUSTRIAL SERVICES	Open-market sell S	Common Stock	1,022	$228.49	$233,517	16,310
2025-05-21	Quirk Alison A.	—	Equity grant / award A	Common Stock	789	$0.00	$0	3,871
2025-05-02	Speights Robert	PRESIDENT, INDUSTRIAL SERVICES	Other disposed transaction D	Common Stock	16,612	$0.00	$0	17,332
2025-04-01	CURTIS GEORGE L	EXEC. VICE PRESIDENT (CHESI)	Equity grant / award A	Common Stock	2,000	$0.00	$0	49,052
2025-03-17	Weber Brian P	EVP (CHESI)	Other disposed transaction D	Common Stock	4,093	$0.00	$0	57,583
2025-03-17	Weber Brian P	EVP (CHESI)	Other disposed transaction F	Common Stock	959	$192.90	$184,991	61,676
2025-03-17	Underwood Rebecca	PRESIDENT & EVP FACILITIES	Other disposed transaction F	Common Stock	176	$192.90	$33,950	18,386
2025-03-10	Speights Robert	PRESIDENT, INDUSTRIAL SERVICES	Open-market sell S	Common Stock	2,725	$190.44	$518,949	40,008
2025-03-03	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	28,073	$0.00	$0	0
2025-03-03	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	2,999	$212.02	$635,848	2,397,896
2025-03-03	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	50,000	$210.18	$10,509,000	2,422,011
2025-02-18	States Lauren	—	Open-market sell S	Common Stock	308	$228.79	$70,467	11,918
2025-02-01	Battles Michael Louis	CO-CEO	Other disposed transaction F	Common Stock	5,217	$233.00	$1,215,561	88,318
2025-02-01	Battles Michael Louis	CO-CEO	Equity grant / award A	Common Stock	5,325	$0.00	$0	93,520
2025-02-01	Battles Michael Louis	CO-CEO	Equity grant / award A	Common Stock	11,059	$0.00	$0	88,195
2025-02-01	Battles Michael Louis	CO-CEO	Other disposed transaction F	Common Stock	4,407	$233.00	$1,026,831	88,322
2025-02-01	Battles Michael Louis	CO-CEO	Equity grant / award A	Common Stock	5,325	$0.00	$0	92,714
2025-02-01	Battles Michael Louis	CO-CEO	Equity grant / award A	Common Stock	11,059	$0.00	$0	87,389
2025-01-15	States Lauren	—	Open-market sell S	Common Stock	308	$239.04	$73,624	12,226
2025-01-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	484	$230.14	$111,388	29,375
2024-12-16	States Lauren	—	Open-market sell S	Common Stock	308	$245.06	$75,478	12,534
2024-12-15	Underwood Rebecca	PRESIDENT & EVP FACILITIES	Other disposed transaction F	Common Stock	88	$244.28	$21,497	15,411
2024-12-01	Harrison Robert W.	EVP, EHS	Other disposed transaction F	Common Stock	122	$260.09	$31,731	4,510
2024-11-27	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	861	$261.31	$224,988	59,346
2024-11-18	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	15,000	$0.00	$0	2,472,011
2024-11-15	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	7,200	$0.00	$0	2,487,011
2024-11-05	Speights Robert	PRESIDENT, INDUSTRIAL SERVICES	Open-market sell S	Common Stock	610	$240.14	$146,485	39,160
2024-11-01	Battles Michael Louis	CO-CEO	Other disposed transaction F	Common Stock	806	$233.00	$187,798	76,330
2024-10-15	States Lauren	—	Open-market sell S	Common Stock	308	$260.74	$80,308	13,150
2024-09-16	States Lauren	—	Open-market sell S	Common Stock	309	$244.09	$75,424	13,458
2024-09-16	States Lauren	—	Open-market sell S	Common Stock	309	$244.09	$75,424	13,458
2024-09-01	GERSTENBERG ERIC W	CO-CEO	Other disposed transaction F	Common Stock	806	$245.90	$198,195	61,708
2024-08-02	Robertson Andrea	—	Equity grant / award G	Common Stock	420	$0.00	$0	9,935
2024-08-01	Robertson Andrea	—	Open-market sell S	Common Stock	1,148	$238.90	$274,257	10,355
2024-07-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	781	$220.63	$172,312	29,859
2024-06-11	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	50,000	$215.51	$10,775,500	2,494,211
2024-06-01	Diderich Jeroen	EVP&President of Sales&Service	Equity grant / award A	Common Stock	11,000	$0.00	$0	11,000
2024-05-23	States Lauren	—	Open-market sell S	Common Stock	1,148	$218.14	$250,425	13,767
2024-05-22	Quirk Alison A.	—	Equity grant / award A	Common Stock	836	$0.00	$0	3,082
2024-05-03	Dugas Eric J.	EVP CHIEF FINANCIAL OFFICER	Open-market sell S	Common Stock	6,200	$208.74	$1,294,188	21,482
2024-04-01	Dugas Eric J.	EVP CHIEF FINANCIAL OFFICER	Other disposed transaction F	Common Stock	242	$197.04	$47,684	27,682
2024-03-27	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	7,996	$199.07	$1,591,764	62,803
2024-03-18	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	28,000	$0.00	$0	2,544,211
2024-03-15	MCKIM ALAN S	EXEC CHAIR, CTO.	Other disposed transaction F	Common Stock	1,265	$187.84	$237,618	37,977
2024-03-14	PRESTON JOHN T	—	Open-market sell S	Common Stock	1,913	$188.36	$360,333	4,767
2024-02-27	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	35,000	$182.22	$6,377,700	2,690,852
2024-02-26	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	10,000	$0.00	$0	2,660,852
2024-02-26	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	20,000	$0.00	$0	2,670,852
2024-02-26	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	35,000	$184.06	$6,442,100	2,725,852
2024-02-26	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	55,525	$0.00	$0	0
2024-02-01	Harrison Robert W.	EVP, EHS	Equity grant / award A	Common Stock	737	$0.00	$0	4,659
2024-02-01	Harrison Robert W.	EVP, EHS	Equity grant / award A	Common Stock	553	$0.00	$0	3,922
2024-01-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Equity grant / award A	Common Stock	3,000	$0.00	$0	27,481
2024-01-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Equity grant / award A	Common Stock	3,000	$0.00	$0	27,481
2023-12-20	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	17,453	$178.37	$3,113,092	2,672,211
2023-12-15	Underwood Rebecca	PRESIDENT & EVP FACILITIES	Other disposed transaction F	Common Stock	558	$174.75	$97,510	13,068
2023-12-01	Harrison Robert W.	EVP, EHS	Open-market sell S	Common Stock	122	$166.86	$20,357	3,369
2023-11-22	GERSTENBERG ERIC W	CO-CEO	Open-market sell S	Common Stock	8,000	$164.82	$1,318,560	68,787
2023-11-17	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	46,611	$164.60	$7,672,171	2,689,664
2023-11-16	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	28,389	$164.50	$4,669,990	2,736,275
2023-11-01	Weber Brian P	EVP (CHESI)	Other disposed transaction F	Common Stock	806	$147.34	$118,756	67,062
2023-11-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	740	$147.34	$109,032	24,552
2023-09-01	GERSTENBERG ERIC W	CO-CEO	Other disposed transaction F	Common Stock	1,667	$173.37	$289,008	75,860
2023-09-01	GERSTENBERG ERIC W	CO-CEO	Other disposed transaction F	Common Stock	740	$173.37	$128,294	76,787
2023-08-29	Dugas Eric J.	EVP CHIEF FINANCIAL OFFICER	Open-market sell S	Common Stock	3,500	$171.00	$598,500	25,114
2023-08-25	Speights Robert	PRESIDENT, INDUSTRIAL SERVICES	Open-market sell S	Common Stock	1,984	$171.03	$339,324	38,602
2023-08-23	CURTIS GEORGE L	EXEC. VICE PRESIDENT (CHESI)	Open-market sell S	Common Stock	10,303	$171.54	$1,767,377	48,102
2023-08-16	PRESTON JOHN T	—	Open-market sell S	Common Stock	2,095	$173.68	$363,860	6,680
2023-08-08	Robertson Andrea	—	Open-market sell S	Common Stock	1,200	$169.08	$202,895	10,667
2023-08-04	Battles Michael Louis	CO-CEO	Open-market sell S	Common Stock	10,000	$171.00	$1,710,000	74,453
2023-07-03	Gabriel Sharon M.	EVP/CIO (CHESI)	Open-market sell S	Common Stock	557	$164.43	$91,588	25,292
2023-06-09	Gabriel Sharon M.	EVP/CIO (CHESI)	Open-market sell S	Common Stock	3,235	$155.71	$503,722	25,849
2023-06-08	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	10,000	$0.00	$0	2,805,137
2023-06-02	Welch John R.	—	Open-market sell S	Common Stock	1,000	$150.43	$150,430	12,427
2023-06-01	Dugas Eric J.	SVP FINANCE, CONTROLLER & CAO	Other disposed transaction F	Common Stock	689	$143.49	$98,865	29,512
2023-05-26	BANUCCI EUGENE G	—	Open-market sell S	Common Stock	10,000	$144.59	$1,445,900	10,618
2023-05-25	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	3,131	$142.63	$446,575	69,834
2023-05-24	McDuffie Melkeya	EVP, HUMAN RESOURCES OFFICER	Open-market sell S	Common Stock	714	$144.29	$103,023	10,094
2023-05-16	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	53,800	$139.02	$7,479,276	2,815,137
2023-05-15	MCKIM ALAN S	EXEC CHAIR, CTO.	Open-market sell S	Common Stock	16,200	$139.60	$2,261,520	2,868,937
2023-05-11	MCKIM ALAN S	EXEC CHAIR, CTO.	Equity grant / award G	Common Stock	10,000	$0.00	$0	2,885,137
2023-05-04	States Lauren	—	Equity grant / award G	Common Stock	200	$0.00	$0	13,171
2023-05-04	States Lauren	—	Open-market sell S	Common Stock	510	$136.13	$69,426	13,371
2023-04-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Open-market sell S	Common Stock	196	$142.56	$27,942	29,084
2023-03-27	TWOHIG MICHAEL J	EVP (CHESI)	Open-market sell S	Common Stock	2,000	$134.42	$268,840	28,857
2023-03-22	MCKIM ALAN S	CHRMN.OF BD, PRES. & CEO	Equity grant / award G	Common Stock	90,000	$0.00	$0	2,895,137
2023-03-15	Battles Michael Louis	EVP AND CFO	Open-market sell S	Common Stock	644	$133.07	$85,697	90,920
2023-03-09	Gabriel Sharon M.	EVP/CIO (CHESI)	Open-market sell S	Common Stock	3,810	$138.92	$529,285	29,554
2023-03-07	BANUCCI EUGENE G	—	Open-market sell S	Common Stock	5,000	$133.97	$669,850	20,618
2023-03-03	MCKIM ALAN S	CHRMN.OF BD, PRES. & CEO	Equity grant / award G	Common Stock	49,156	$0.00	$0	0
2023-03-02	PRESTON JOHN T	—	Open-market sell S	Common Stock	3,750	$134.90	$505,875	7,627
2023-02-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Equity grant / award A	Common Stock	3,947	$0.00	$0	32,187
2023-02-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Equity grant / award A	Common Stock	1,077	$0.00	$0	28,240
2023-02-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Equity grant / award A	Common Stock	3,947	$0.00	$0	33,364
2023-02-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Equity grant / award A	Common Stock	1,077	$0.00	$0	29,417
2022-12-29	Speights Robert	PRESIDENT, INDUSTRIAL SERVICES	Open-market sell S	Common Stock	3,327	$113.71	$378,313	36,340
2022-12-21	GERSTENBERG ERIC W	CHIEF OPERATING OFFICER(CHESI)	Open-market sell S	Common Stock	16,409	$116.02	$1,903,833	61,332
2022-12-15	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	150	$116.50	$17,475	27,163
2022-12-13	Dugas Eric J.	SVP FINANCE, CONTROLLER & CAO	Open-market sell S	Common Stock	3,274	$122.39	$400,705	26,286
2022-12-01	Harrison Robert W.	EVP, EHS	Equity grant / award A	Common Stock	1,500	$0.00	$0	1,500
2022-11-28	MCKIM ALAN S	CHRMN.OF BD, PRES. & CEO	Equity grant / award G	Common Stock	100,000	$0.00	$0	2,989,109
2022-11-28	MCKIM ALAN S	CHRMN.OF BD, PRES. & CEO	Open-market sell S	Common Stock	40,000	$120.45	$4,817,980	3,089,109
2022-11-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	490	$121.47	$59,520	27,313
2022-10-01	Quirk Alison A.	—	Equity grant / award A	Common Stock	1,098	$0.00	$0	1,098
2022-09-09	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	2,003	$122.42	$245,207	62,103
2022-09-01	GERSTENBERG ERIC W	CHIEF OPERATING OFFICER(CHESI)	Other disposed transaction F	Common Stock	739	$116.51	$86,101	78,574
2022-09-01	Dugas Eric J.	SVP FINANCE, CONTROLLER & CAO	Other disposed transaction F	Common Stock	196	$116.51	$22,836	29,658
2022-08-15	MCKIM ALAN S	CHRMN.OF BD, PRES. & CEO	Equity grant / award G	Common Stock	10,000	$0.00	$0	3,129,109
2022-08-12	GALANTE EDWARD G	—	Equity grant / award G	Common Stock	4,710	$0.00	$0	22,036
2022-08-08	PRESTON JOHN T	—	Open-market sell S	Common Stock	2,168	$111.50	$241,738	11,377
2022-08-05	Robertson Andrea	—	Open-market sell S	Common Stock	1,095	$106.37	$116,475	10,719
2022-08-01	Speights Robert	PRESIDENT, INDUSTRIAL SERVICES	Other disposed transaction F	Common Stock	392	$97.74	$38,314	39,871
2022-07-01	Dugas Eric J.	SVP FINANCE, CONTROLLER & CAO	Other disposed transaction F	Common Stock	531	$90.32	$47,960	29,854
2022-06-27	MCKIM ALAN S	CHRMN.OF BD, PRES. & CEO	Equity grant / award G	Common Stock	58,197	$0.00	$0	0
2022-06-01	Dugas Eric J.	SVP Finance, Controller & CAO	Equity grant / award A	Common Stock	5,000	$0.00	$0	30,385
2022-05-25	BANUCCI EUGENE G	Dir	Equity grant / award A	Common Stock	1,849	$0.00	$0	25,618
2022-05-12	Battles Michael Louis	EVP and CFO	Open-market buy P	Common Stock	2,000	$88.35	$176,700	70,440
2022-05-10	States Lauren	Dir	Equity grant / award G	Common Stock	300	$0.00	$0	12,032
2022-05-10	States Lauren	Dir	Open-market sell S	Common Stock	750	$90.68	$68,010	12,332
2022-04-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	196	$112.93	$22,134	28,178
2022-03-30	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Equity grant / award G	Common Stock	4,355	$0.00	$0	0
2022-03-25	GERSTENBERG ERIC W	Chief Operating Officer(CHESI)	Open-market sell S	Common Stock	6,927	$106.62	$738,557	90,826
2022-03-18	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	20,176	$109.04	$2,199,991	3,106,031
2022-03-17	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	30,000	$109.51	$3,285,300	3,126,207
2022-03-15	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	44	$105.77	$4,654	28,374
2022-03-10	Weber Brian P	EVP (CHESI)	Other disposed transaction D	Common Stock	1,162	$0.00	$0	66,079
2022-03-03	Robertson Andrea	—	Equity grant / award G	Common Stock	500	$0.00	$0	9,965
2022-02-25	Robertson Andrea	Dir	Open-market sell S	Common Stock	1,000	$95.30	$95,300	10,465
2022-02-07	Gabriel Sharon M.	EVP/CIO (CHESI)	Equity grant / award A	Common Stock	1,272	$0.00	$0	28,876
2022-02-07	Gabriel Sharon M.	EVP/CIO (CHESI)	Equity grant / award A	Common Stock	4,663	$0.00	$0	27,604
2022-02-01	Dugas Eric J.	SVP Finance, Controller & CAO	Other disposed transaction F	Common Stock	516	$93.35	$48,169	21,442
2022-01-03	BANUCCI EUGENE G	Dir	Equity grant / award A	Common Stock	257	$0.00	$0	23,769
2021-12-30	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	2,390	$98.90	$236,371	59,325
2021-12-15	GERSTENBERG ERIC W	Chief Operating Officer(CHESI)	Other disposed transaction F	Common Stock	2,361	$98.73	$233,102	78,910
2021-12-10	Speights Robert	President, Industrial Services	Open-market sell S	Common Stock	2,118	$99.02	$209,724	29,956
2021-12-01	Knapp Jeffrey Herbert	EVP - HR (CHESI)	Open-market sell S	Common Stock	1,000	$100.55	$100,550	2,853
2021-11-23	Knapp Jeffrey Herbert	EVP - HR (CHESI)	Open-market sell S	Common Stock	458	$109.47	$50,137	3,853
2021-11-23	Knapp Jeffrey Herbert	EVP - HR (CHESI)	Open-market sell S	Common Stock	503	$109.22	$54,938	5,311
2021-11-19	Knapp Jeffrey Herbert	EVP - HR (CHESI)	Open-market sell S	Common Stock	1,000	$108.56	$108,560	4,311
2021-11-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	489	$115.69	$56,572	23,341
2021-10-01	Reed Marcy L.	Dir	Equity grant / award A	Common Stock	1,038	$0.00	$0	1,038
2021-09-10	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	2,519	$101.42	$255,488	58,314
2021-09-01	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	1,152	$102.42	$117,990	3,207,214
2021-08-31	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	16,800	$102.58	$1,723,389	3,208,366
2021-08-30	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	12,048	$102.68	$1,237,091	3,225,166
2021-08-25	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	25,000	$101.76	$2,544,005	3,237,214
2021-08-23	Battles Michael Louis	EVP and CFO	Open-market sell S	Common Stock	5,000	$101.75	$508,750	57,355
2021-08-20	GERSTENBERG ERIC W	Chief Operating Officer(CHESI)	Open-market sell S	Common Stock	17,963	$100.28	$1,801,297	76,271
2021-08-12	Dugas Eric J.	SVP Finance, Controller & CAO	Open-market sell S	Common Stock	2,000	$102.99	$205,980	21,521
2021-08-05	Welch John R.	Dir	Open-market sell S	Common Stock	5,500	$99.05	$544,775	10,173
2021-08-01	Speights Robert	President, Industrial Services	Other disposed transaction F	Common Stock	392	$95.00	$37,240	32,564
2021-07-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	186	$93.23	$17,341	25,007
2021-07-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Equity grant / award A	Common Stock	1,234	$0.00	$0	25,193
2021-07-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Equity grant / award A	Common Stock	2,468	$0.00	$0	23,959
2021-06-03	PRESTON JOHN T	Dir	Equity grant / award A	Common Stock	1,513	$0.00	$0	11,439
2021-06-01	GERSTENBERG ERIC W	Chief Operating Officer(CHESI)	Other disposed transaction F	Common Stock	778	$94.13	$73,233	76,746
2021-05-10	Marlin Rod	Dir	Open-market sell S	Common Stock	6,910	$95.40	$659,186	14,427
2021-04-01	Speights Robert	President, Industrial Services	Equity grant / award A	Common Stock	5,897	$0.00	$0	26,505
2021-04-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	196	$86.15	$16,885	21,491
2021-03-31	Speights Robert	President, Industrial Services	Open-market sell S	Common Stock	1,007	$84.34	$84,930	20,608
2021-03-18	Marlin Rod	Dir	Open-market sell S	Common Stock	808	$89.08	$71,977	0
2021-03-18	Marlin Rod	Dir	Open-market sell S	Common Stock	88	$89.08	$7,839	0
2021-03-18	Marlin Rod	Dir	Open-market sell S	Common Stock	4,342	$89.08	$386,785	2,000
2021-03-18	Marlin Rod	Dir	Open-market sell S	Common Stock	9,603	$89.08	$855,435	21,337
2021-03-15	Weber Brian P	EVP (CHESI)	Other disposed transaction D	Common Stock	1,794	$0.00	$0	54,628
2021-03-15	Weber Brian P	EVP (CHESI)	Other disposed transaction F	Common Stock	1,167	$89.50	$104,446	56,422
2021-03-05	Battles Michael Louis	EVP and CFO	Open-market sell S	Common Stock	10,000	$86.39	$863,900	61,935
2021-03-01	Knapp Jeffrey Herbert	EVP - HR (CHESI)	Other disposed transaction F	Common Stock	294	$87.22	$25,643	14,639
2021-03-01	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Equity grant / award G	Common Stock	58,986	$0.00	$0	0
2021-02-26	PRESTON JOHN T	Dir	Open-market sell S	Common Stock	6,000	$85.49	$512,940	9,926
2021-02-25	Robertson Andrea	Dir	Open-market sell S	Common Stock	1,500	$89.42	$134,130	11,863
2021-02-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	347	$79.38	$27,545	23,673
2021-01-11	Johnston Robert A.	Pres.-Oil&Gas of Subsidiaries	Other disposed transaction J	Common Stock	16,213	$0.00	$0	6,691
2020-12-15	CURTIS GEORGE L	Exec. Vice President (CHESI)	Other disposed transaction F	Common Stock	186	$72.99	$13,576	48,702
2020-12-14	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Equity grant / award G	Common Stock	40,000	$0.00	$0	3,258,207
2020-11-27	Dugas Eric J.	SVP Finance, Controller & CAO	Open-market sell S	Common Stock	3,111	$74.65	$232,236	19,520
2020-11-17	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	3,600	$73.73	$265,428	58,298
2020-11-13	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	19,739	$70.86	$1,398,706	3,298,207
2020-11-10	Robertson Andrea	Dir	Open-market sell S	Common Stock	1,272	$71.90	$91,457	13,363
2020-11-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Equity grant / award A	Common Stock	5,000	$0.00	$0	24,134
2020-09-01	Dugas Eric J.	SVP Finance, Controller & CAO	Other disposed transaction F	Common Stock	196	$60.00	$11,760	22,631
2020-09-01	Battles Michael Louis	EVP and CFO	Open-market sell S	Common Stock	444	$60.00	$26,640	72,629
2020-08-20	GERSTENBERG ERIC W	Chief Operating Officer(CHESI)	Open-market sell S	Common Stock	20,279	$61.72	$1,251,600	85,831
2020-08-13	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	15,096	$63.90	$964,610	3,317,946
2020-08-12	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	16,200	$64.72	$1,048,534	3,333,042
2020-08-11	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	41,300	$65.23	$2,694,111	3,349,242
2020-08-10	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	27,404	$65.36	$1,790,988	3,390,542
2020-08-01	Speights Robert	EVP (CHESI)	Other disposed transaction F	Common Stock	392	$59.60	$23,363	23,467
2020-07-01	Weber Brian P	EVP (CHESI)	Other disposed transaction F	Common Stock	798	$58.30	$46,523	61,898
2020-06-08	Marlin Rod	Dir	Open-market sell S	Common Stock	1,000	$69.00	$69,000	2,064
2020-06-08	Marlin Rod	Dir	Open-market sell S	Common Stock	4,000	$69.00	$276,000	35,230
2020-06-03	Willett Robert	Dir	Equity grant / award A	Common Stock	2,168	$0.00	$0	2,984
2020-06-01	CURTIS GEORGE L	Exec. Vice President (CHESI)	Other disposed transaction F	Common Stock	202	$60.78	$12,278	45,160
2020-05-28	Dugas Eric J.	SVP Finance, Controller & CAO	Open-market sell S	Common Stock	1,200	$61.78	$74,136	19,426
2020-05-13	Battles Michael Louis	EVP and CFO	Open-market buy P	Common Stock	1,650	$46.45	$76,642	38,228
2020-04-29	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Equity grant / award G	Common Stock	55,000	$0.00	$0	3,570,478
2020-04-01	CURTIS GEORGE L	Exec. Vice President (CHESI)	Other disposed transaction F	Common Stock	490	$45.91	$22,496	45,362
2020-03-23	Speights Robert	EVP (CHESI)	Open-market buy P	Common Stock	641	$39.00	$24,999	18,254
2020-03-19	Knapp Jeffrey Herbert	EVP - HR (CHESI)	Open-market buy P	Common Stock	500	$32.80	$16,400	13,027
2020-03-18	Speights Robert	EVP (CHESI)	Open-market buy P	Common Stock	1,275	$39.15	$49,916	17,613
2020-03-16	Speights Robert	EVP (CHESI)	Open-market buy P	Common Stock	545	$45.97	$25,053	16,338
2020-03-15	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	94	$54.33	$5,107	13,476
2020-03-10	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Equity grant / award G	Common Stock	15,000	$0.00	$0	3,629,489
2020-03-05	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Equity grant / award G	Common Stock	40,941	$0.00	$0	0
2020-03-02	GERSTENBERG ERIC W	Chief Operating Officer(CHESI)	Other disposed transaction F	Common Stock	2,218	$69.52	$154,195	68,739
2020-03-01	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Equity grant / award G	Common Stock	58,986	$0.00	$0	0
2020-02-03	GERSTENBERG ERIC W	Chief Operating Officer(CHESI)	Other disposed transaction F	Common Stock	2,039	$82.22	$167,647	70,957
2020-01-01	Willett Robert	Dir	Equity grant / award A	Common Stock	816	$0.00	$0	816
2019-12-27	TWOHIG MICHAEL J	EVP (CHESI)	Open-market sell S	Common Stock	2,500	$86.67	$216,675	27,004
2019-12-15	Johnston Robert A.	Pres.-Oil&Gas of Subsidiaries	Other disposed transaction F	Common Stock	319	$83.68	$26,694	17,327
2019-12-02	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	20,000	$82.75	$1,655,000	3,647,181
2019-11-06	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	1,175	$84.64	$99,452	58,820
2019-11-05	Dugas Eric J.	SVP Finance, Controller & CAO	Open-market sell S	Common Stock	1,176	$82.87	$97,455	20,533
2019-11-01	Dugas Eric J.	SVP Finance, Controller & CAO	Other disposed transaction F	Common Stock	491	$81.89	$40,208	21,709
2019-10-31	Robertson Andrea	Dir	Open-market sell S	Common Stock	1,000	$83.78	$83,780	12,467
2019-10-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	294	$74.78	$21,985	13,090
2019-09-10	Johnston Robert A.	Pres.-Oil&Gas of Subsidiaries	Equity grant / award A	Common Stock	928	$0.00	$0	17,646
2019-09-10	Johnston Robert A.	Pres.-Oil&Gas of Subsidiaries	Equity grant / award A	Common Stock	2,343	$0.00	$0	16,718
2019-09-04	Dugas Eric J.	SVP Finance, Controller & CAO	Open-market sell S	Common Stock	2,034	$73.85	$150,211	22,200
2019-09-01	Dugas Eric J.	SVP Finance, Controller & CAO	Equity grant / award A	Common Stock	2,000	$0.00	$0	24,234
2019-08-16	Battles Michael Louis	EVP and CFO	Open-market sell S	Common Stock	1,000	$76.00	$76,000	42,367
2019-08-08	GERSTENBERG ERIC W	Chief Operating Officer(CHESI)	Open-market sell S	Common Stock	20,000	$78.52	$1,570,400	74,557
2019-08-01	Dugas Eric J.	SVP Finance, Controller & CAO	Other disposed transaction F	Common Stock	442	$75.98	$33,583	22,234
2019-07-01	Knapp Jeffrey Herbert	EVP - HR (CHESI)	Equity grant / award A	Common Stock	1,458	$0.00	$0	8,656
2019-07-01	Knapp Jeffrey Herbert	EVP - HR (CHESI)	Equity grant / award A	Common Stock	1,945	$0.00	$0	7,198
2019-06-26	Marlin Rod	Dir	Open-market sell S	Common Stock	4,267	$68.58	$292,631	37,062
2019-06-20	Battles Michael Louis	EVP and CFO	Open-market sell S	Common Stock	5,000	$70.09	$350,450	35,003
2019-06-05	SHIELDS THOMAS J	Dir	Equity grant / award A	Common Stock	2,095	$0.00	$0	22,975
2019-06-04	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	11,318	$65.30	$739,065	3,648,540
2019-06-03	CURTIS GEORGE L	Exec. Vice President (CHESI)	Other disposed transaction F	Common Stock	496	$64.12	$31,804	53,569
2019-05-28	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Open-market sell S	Common Stock	38,682	$65.32	$2,526,708	3,659,858
2019-05-17	Vergo David J.	President, Safety-Kleen	Other disposed transaction D	Common Stock	19,659	$0.00	$0	4,783
2019-05-14	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Equity grant / award G	Common Stock	15,000	$0.00	$0	3,698,540
2019-05-03	Battles Michael Louis	EVP and CFO	Open-market sell S	Common Stock	4,000	$71.85	$287,400	40,972
2019-04-15	Johnston Robert A.	Pres.-Oil&Gas of Subsidiaries	Other disposed transaction F	Common Stock	600	$72.39	$43,434	11,358
2019-04-10	Johnston Robert A.	President, Oil, Gas & Lodging	Other disposed transaction F	Common Stock	600	$72.39	$43,434	11,358
2019-04-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	588	$72.00	$42,336	10,732
2019-03-22	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	1,777	$71.00	$126,167	57,311
2019-03-19	MCKIM ALAN S	Chrmn.of Bd, Pres. & CEO	Equity grant / award G	Common Stock	40,000	$0.00	$0	3,715,010
2019-03-15	MCKIM ALAN S	Chrmn.of Bd and CEO	Other disposed transaction F	Common Stock	1,783	$68.74	$122,563	3,755,010
2019-03-13	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction D	Common Stock	369	$0.00	$0	11,482
2019-03-05	Robertson Andrea	Dir	Open-market sell S	Common Stock	1,000	$66.75	$66,750	13,929
2019-03-01	GERSTENBERG ERIC W	Chief Operating Officer(CHESI)	Other disposed transaction F	Common Stock	1,491	$68.77	$102,536	94,209
2019-02-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Other disposed transaction F	Common Stock	348	$58.85	$20,480	11,851
2018-12-28	Speights Robert	EVP (CHESI)	Equity grant / award A	Common Stock	1,034	$48.34	$49,984	8,158
2018-12-14	GERSTENBERG ERIC W	Chief Operating Officer(CHESI)	Other disposed transaction F	Common Stock	322	$55.53	$17,881	75,700
2018-11-09	Battles Michael Louis	EVP and CFO	Open-market sell S	Common Stock	2,000	$65.20	$130,400	53,113
2018-11-06	MCKIM ALAN S	Chrmn.of Bd and CEO	Open-market sell S	Common Stock	29,674	$64.26	$1,906,851	3,829,388
2018-11-05	MCKIM ALAN S	Chrmn.of Bd and CEO	Open-market sell S	Common Stock	20,326	$64.03	$1,301,474	3,859,062
2018-11-01	Speights Robert	EVP (CHESI)	Equity grant / award A	Common Stock	5,000	$0.00	$0	7,124
2018-11-01	Speights Robert	EVP (CHESI)	Other disposed transaction F	Common Stock	876	$64.27	$56,301	2,124
2018-11-01	Speights Robert	EVP (CHESI)	Equity grant / award A	Common Stock	3,000	$0.00	$0	3,000
2018-10-01	Battles Michael Louis	EVP and CFO	Other disposed transaction F	Common Stock	786	$70.89	$55,720	55,113
2018-09-24	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	1,304	$69.83	$91,058	63,573
2018-09-15	PARRY DAVID M	Executive Vice President	Other disposed transaction D	Common Stock	31,054	$0.00	$0	11,544
2018-09-06	TWOHIG MICHAEL J	EVP (CHESI)	Open-market sell S	Common Stock	4,211	$69.65	$293,296	24,779
2018-09-04	Cowan Grace	EVP Customer Service (CHESI)	Other disposed transaction F	Common Stock	176	$68.59	$12,072	23,338
2018-08-31	PARRY DAVID M	Executive Vice President	Open-market sell S	Common Stock	4,579	$68.76	$314,852	42,598
2018-08-07	PARRY DAVID M	Executive Vice President	Open-market sell S	Common Stock	3,026	$61.93	$187,400	47,177
2018-08-06	Vergo David J.	President, Safety-Kleen	Open-market sell S	Common Stock	2,384	$62.22	$148,332	29,450
2018-08-02	Robertson Andrea	Dir	Open-market sell S	Common Stock	2,000	$63.62	$127,240	16,429
2018-08-01	Dugas Eric J.	SVP Finance, Controller & CAO	Other disposed transaction F	Common Stock	295	$63.46	$18,721	20,861
2018-07-01	Knapp Jeffrey Herbert	EVP - HR (CHESI)	Equity grant / award A	Common Stock	2,301	$0.00	$0	5,301
2018-06-25	GERSTENBERG ERIC W	Chief Operating Officer(CHESI)	Open-market sell S	Common Stock	8,000	$55.19	$441,520	59,486
2018-06-06	Marlin Rod	Dir	Equity grant / award A	Common Stock	2,236	$0.00	$0	46,734
2018-06-05	TWOHIG MICHAEL J	EVP (CHESI)	Open-market sell S	Common Stock	2,836	$53.43	$151,527	24,629
2018-06-04	Bouldin Mark G.	EVP/SK	Open-market sell S	Common Stock	433	$53.25	$23,057	13,839
2018-06-01	Bouldin Mark G.	EVP/SK	Other disposed transaction F	Common Stock	140	$53.69	$7,517	14,272
2018-05-24	Dugas Eric J.	SVP Finance and CAO	Open-market sell S	Common Stock	900	$52.76	$47,484	19,172
2018-05-15	MCKIM ALAN S	Chrmn.of Bd and CEO	Equity grant / award G	Common Stock	60,000	$0.00	$0	3,895,136
2018-05-14	MCKIM ALAN S	Chrmn.of Bd and CEO	Open-market sell S	Common Stock	100,000	$52.11	$5,211,000	3,955,136
2018-05-07	Bouldin Mark G.	EVP/SK	Open-market sell S	Common Stock	2,519	$51.40	$129,477	14,412
2018-04-06	Bouldin Mark G.	EVP/SK	Other disposed transaction F	Common Stock	244	$48.38	$11,805	16,931
2018-04-02	Battles Michael Louis	EVP and CFO	Other disposed transaction F	Common Stock	1,547	$48.81	$75,509	52,794
2018-04-02	Weber Brian P	EVP (CHESI)	Other disposed transaction F	Common Stock	1,964	$48.81	$95,863	56,690
2018-04-02	GERSTENBERG ERIC W	Chief Operating Officer	Other disposed transaction F	Common Stock	1,964	$48.81	$95,863	69,960
2018-04-01	Battles Michael Louis	EVP and CFO	Equity grant / award A	Common Stock	5,000	$0.00	$0	54,341
2018-04-01	Weber Brian P	EVP (CHESI)	Equity grant / award A	Common Stock	5,000	$0.00	$0	58,654
2018-03-22	MCKIM ALAN S	Chrmn.of Bd and CEO	Open-market sell S	Common Stock	2,600	$50.77	$132,002	0
2018-03-21	MCKIM ALAN S	Chrmn.of Bd and CEO	Open-market sell S	Common Stock	40,066	$51.49	$2,062,998	2,600
2018-03-15	Dugas Eric J.	SVP Finance and CAO	Other disposed transaction F	Common Stock	22	$49.98	$1,100	20,358
2018-03-06	PRESTON JOHN T	Dir	Open-market sell S	Common Stock	5,000	$50.93	$254,650	9,427
2018-03-02	Bouldin Mark G.	EVP/SK	Open-market sell S	CommonStock	703	$47.62	$33,477	17,744
2018-03-01	Knapp Jeffrey Herbert	EVP - HR (CHESI)	Equity grant / award A	Common Stock	3,000	$0.00	$0	3,000
2018-02-28	MCKIM ALAN S	Chrmn.of Bd and CEO	Other disposed transaction F	Common Stock	25,719	$0.00	$0	4,056,609
2018-02-01	Dugas Eric J.	SVP Finance and CAO	Other disposed transaction F	Common Stock	174	$54.93	$9,558	21,066
2018-02-01	Dugas Eric J.	SVP Finance and CAO	Equity grant / award A	Common Stock	7,500	$0.00	$0	21,240
2018-01-10	MCKIM ALAN S	Chrmn.of Bd and CEO	Equity grant / award G	Common Stock	20,000	$0.00	$0	4,080,681
2017-12-28	Weber Brian P	EVP (CHESI)	Open-market sell S	Common Stock	1,870	$53.00	$99,110	57,205
2017-12-27	GERSTENBERG ERIC W	Chief Operating Officer	Open-market sell S	Common STock	7,150	$52.77	$377,306	79,052
2017-12-26	GERSTENBERG ERIC W	Chief Operating Officer	Open-market sell S	Common Stock	5,143	$53.04	$272,785	86,202
2017-12-20	Bouldin Mark G.	EVP/SK	Open-market sell S	Common Stock	325	$52.62	$17,102	20,237
2017-12-15	Dugas Eric J.	SVP Finance and CAO	Other disposed transaction F	Common Stock	37	$52.17	$1,930	13,740
2017-12-15	MCKIM ALAN S	Chrmn.of Bd and CEO	Other disposed transaction F	Common Stock	835	$52.17	$43,562	4,100,681

Regulatory Activity

Last 12 months to 2025-04-29

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

Material Event Filings (8-K) — 12 months

8-K Material Event Filing Activity

Monthly count

Insider Trading Activity (Forms 3/4/5)

Monthly count