$CLH

📈 Chart

80 transactions across 29 dates · last 365 days

6-Month Buy/Sell Trend

Buys Sells
2026-03-04
▼ 1 sell · $29.3M
Insider Title Type Shares Price $ Value 10b5-1 Filed
MCKIM ALAN S EXEC CHAIR, CTO. ▼ Sell 100,000 $293 $29.3M Mar 5
2026-02-23
▼ 1 sell · $700K
Insider Title Type Shares Price $ Value 10b5-1 Filed
GERSTENBERG ERIC W CO-CEO ▼ Sell 2,500 $280 $700K Feb 24
2026-02-19
▼ 2 sells · $28.3M 1 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
MCKIM ALAN S EXEC CHAIR, CTO. ▼ Sell 100,000 $281 $28.1M Feb 23
MCKIM ALAN S EXEC CHAIR, CTO. G 10,000 $0 $0 Feb 23
Welch John R. ▼ Sell 750 $273 $205K Feb 20
2026-02-20
▼ 2 sells · $1.8M
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Dugas Eric J. EVP CHIEF FINANCIAL OFFICER ▼ Sell 2,788 $281 $784K Feb 20
Gabriel Sharon M. EVP/CIO (CHESI) ▼ Sell 3,540 $282 $999K Feb 20
2026-02-02
10 other
⚡ 10 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Battles Michael Louis CO-CEO F 5,205 $260 $1.4M Feb 3
GERSTENBERG ERIC W CO-CEO F 4,934 $260 $1.3M Feb 3
CURTIS GEORGE L EXEC. VICE PRESIDENT (CHESI) F 249 $260 $65K Feb 3
Weber Brian P EVP (CHESI) F 1,394 $260 $362K Feb 3
Dugas Eric J. EVP CHIEF FINANCIAL OFFICER F 567 $260 $147K Feb 3
Gabriel Sharon M. EVP/CIO (CHESI) F 508 $260 $132K Feb 3
Harrison Robert W. EVP, EHS F 184 $260 $48K Feb 3
Underwood Rebecca PRESIDENT & EVP FACILITIES F 425 $260 $110K Feb 3
Diderich Jeroen EVP&President of Sales&Service F 105 $260 $27K Feb 3
Geer Charles H. II EVP, Industrial Services F 197 $260 $51K Feb 3
2026-02-01
18 other
⚡ 9 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Battles Michael Louis CO-CEO A 10,290 $0 $0 Feb 3
Battles Michael Louis CO-CEO A 10,690 $0 $0 Feb 3
GERSTENBERG ERIC W CO-CEO A 10,290 $0 $0 Feb 3
GERSTENBERG ERIC W CO-CEO A 10,690 $0 $0 Feb 3
Weber Brian P EVP (CHESI) A 3,166 $0 $0 Feb 3
Weber Brian P EVP (CHESI) A 1,056 $0 $0 Feb 3
Dugas Eric J. EVP CHIEF FINANCIAL OFFICER A 3,066 $0 $0 Feb 3
Dugas Eric J. EVP CHIEF FINANCIAL OFFICER A 1,022 $0 $0 Feb 3
Gabriel Sharon M. EVP/CIO (CHESI) A 2,073 $0 $0 Feb 3
Gabriel Sharon M. EVP/CIO (CHESI) A 566 $0 $0 Feb 3
Harrison Robert W. EVP, EHS A 1,003 $0 $0 Feb 3
Harrison Robert W. EVP, EHS A 430 $0 $0 Feb 3
Underwood Rebecca PRESIDENT & EVP FACILITIES A 2,513 $0 $0 Feb 3
Underwood Rebecca PRESIDENT & EVP FACILITIES A 838 $0 $0 Feb 3
Diderich Jeroen EVP&President of Sales&Service A 3,141 $0 $0 Feb 3
Diderich Jeroen EVP&President of Sales&Service A 1,047 $0 $0 Feb 3
Geer Charles H. II EVP, Industrial Services A 1,843 $0 $0 Feb 3
Geer Charles H. II EVP, Industrial Services A 503 $0 $0 Feb 3
2026-01-02
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Gabriel Sharon M. EVP/CIO (CHESI) F 525 $234 $123K Jan 5
2025-12-17
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Welch John R. G 415 $0 $0 Dec 29
2025-12-16
▼ 1 sell · $145K
Insider Title Type Shares Price $ Value 10b5-1 Filed
GERSTENBERG ERIC W CO-CEO ▼ Sell 601 $241 $145K Dec 17
2025-12-15
3 other
⚡ 3 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Harrison Robert W. EVP, EHS F 16 $241 $4K Dec 17
Underwood Rebecca PRESIDENT & EVP FACILITIES F 51 $241 $12K Dec 17
Geer Charles H. II EVP, Industrial Services F 28 $241 $7K Dec 17
2025-12-09
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
CURTIS GEORGE L EXEC. VICE PRESIDENT (CHESI) G 1,000 $0 $0 Dec 11
2025-12-01
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Harrison Robert W. EVP, EHS F 122 $229 $28K Dec 3
2025-11-13
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
States Lauren G 245 $0 $0 Nov 14
2025-11-01
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Geer Charles H. II EVP, Industrial Services F 294 $211 $62K Nov 4
2025-09-16
2 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
MCKIM ALAN S EXEC CHAIR, CTO. G 8,567 $0 $0 Sep 17
MCKIM ALAN S EXEC CHAIR, CTO. G 4,283 $0 $0 Sep 17
2025-08-05
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Robertson Andrea G 430 $0 $0 Aug 6
2025-08-01
▲ 1 buy · $467K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Battles Michael Louis CO-CEO ▲ Buy 2,000 $234 $467K Aug 4
2025-07-31
▼ 1 sell · $195K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Robertson Andrea ▼ Sell 836 $234 $195K Aug 4
2025-07-01
8 other
⚡ 8 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Battles Michael Louis CO-CEO F 1,532 $230 $352K Jul 3
MCKIM ALAN S EXEC CHAIR, CTO. F 1,342 $230 $308K Jul 3
Dugas Eric J. EVP CHIEF FINANCIAL OFFICER F 613 $230 $141K Jul 3
Weber Brian P EVP (CHESI) F 1,136 $230 $261K Jul 3
Gabriel Sharon M. EVP/CIO (CHESI) F 525 $230 $121K Jul 3
CURTIS GEORGE L EXEC. VICE PRESIDENT (CHESI) F 399 $230 $92K Jul 3
GERSTENBERG ERIC W CO-CEO F 564 $230 $129K Jul 3
Underwood Rebecca PRESIDENT & EVP FACILITIES F 1,051 $230 $241K Jul 3
2025-06-13
▼ 1 sell · $689K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Weber Brian P EVP (CHESI) ▼ Sell 3,035 $227 $689K Jun 16
2025-06-06
▼ 1 sell · $1.8M
Insider Title Type Shares Price $ Value 10b5-1 Filed
GERSTENBERG ERIC W CO-CEO ▼ Sell 8,076 $225 $1.8M Jun 9
2025-06-05
▼ 2 sells · $13.2M
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Quirk Alison A. ▼ Sell 893 $224 $200K Jun 6
MCKIM ALAN S EXEC CHAIR, CTO. ▼ Sell 58,156 $224 $13.0M Jun 6
2025-06-04
▼ 1 sell · $9.4M
Insider Title Type Shares Price $ Value 10b5-1 Filed
MCKIM ALAN S EXEC CHAIR, CTO. ▼ Sell 41,844 $225 $9.4M Jun 6
2025-06-02
2 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Diderich Jeroen EVP&President of Sales&Service F 1,540 $227 $349K Jun 3
Dugas Eric J. EVP CHIEF FINANCIAL OFFICER F 806 $227 $183K Jun 3
2025-05-28
▼ 1 sell · $286K
Insider Title Type Shares Price $ Value 10b5-1 Filed
Welch John R. ▼ Sell 1,250 $229 $286K May 29
2025-05-27
▼ 1 sell · $234K 1 other
⚡ 2 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
States Lauren G 130 $0 $0 May 28
Speights Robert PRESIDENT, INDUSTRIAL SERVICES ▼ Sell 1,022 $228 $234K May 28
2025-05-21
10 other
⚡ 10 insiders
Insider Title Type Shares Price $ Value 10b5-1 Filed
Willett Robert A 789 $0 $0 May 23
GALANTE EDWARD G A 789 $0 $0 May 23
PRESTON JOHN T A 789 $0 $0 May 23
Reed Marcy L. A 789 $0 $0 May 23
Robertson Andrea A 789 $0 $0 May 23
Stewart Shelley JR A 789 $0 $0 May 23
Welch John R. A 789 $0 $0 May 23
States Lauren A 789 $0 $0 May 23
Polito Karyn A 789 $0 $0 May 23
Quirk Alison A. A 789 $0 $0 May 23
2025-05-22
▼ 1 sell · $189K
Insider Title Type Shares Price $ Value 10b5-1 Filed
States Lauren ▼ Sell 836 $226 $189K May 23
2025-05-02
1 other
Insider Title Type Shares Price $ Value 10b5-1 Filed
Speights Robert PRESIDENT, INDUSTRIAL SERVICES D 16,612 $0 $0 May 2