Last 12 months
Inside the activity.
1 purchase rows · 16 sale rows
Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.Monthly counts
| Month | Purchases | Sales |
|---|---|---|
| Nov 2025 | 0 | 0 |
| Dec 2025 | 0 | 1 |
| Jan 2026 | 0 | 0 |
| Feb 2026 | 0 | 7 |
| Mar 2026 | 0 | 5 |
| Apr 2026 | 0 | 0 |
| May 2026 | 1 | 1 |
| Jun 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Aug 2026 | 0 | 2 |
| Sep 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
Latest available
Insider transactions
Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”
The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.
| Transaction date | Owner / reported role | Activity / security | Shares / units | Reported price | Reported value | Details |
|---|---|---|---|---|---|---|
| August 14, 2026 Filed Aug 18, 2026 18:47 UTC |
GERSTENBERG ERIC WCO-CEO
|
SaleCommon Stock | 2,500 | $321.34 | $803,350.00 |
DisclosureSEC source: 0001211558-26-000020 · form4-08182026_060844.xml · nonDerivative · entry 1 GERSTENBERG ERIC W · CIK 0001211558 · CO-CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 56,793 Read SEC document |
| August 03, 2026 Filed Aug 3, 2026 16:04 UTC |
Robertson AndreaDirector
|
SaleCommon Stock | 789 | $314.01 | $247,753.89 |
DisclosureSEC source: 0001295248-26-000005 · form4-08032026_040829.xml · nonDerivative · entry 1 Robertson Andrea · CIK 0001295248 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 8,979 Read SEC document |
| July 17, 2026 Filed Jul 20, 2026 15:58 UTC |
MCKIM ALAN SDirector · EXEC CHAIR, CTO.
|
Tax withholdingCommon Stock | 1,265 | $310.58 | $392,883.70 |
DisclosureSEC source: 0001024547-26-000012 · form4-07202026_030749.xml · nonDerivative · entry 1 MCKIM ALAN S · CIK 0001024547 · Director · EXEC CHAIR, CTO. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 30,154 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 Read SEC document |
| July 01, 2026 Filed Jul 6, 2026 19:12 UTC |
Weber Brian PEVP (CHESI)
|
Tax withholdingCommon Stock | 814 | $290.74 | $236,662.36 |
DisclosureSEC source: 0001322710-26-000006 · form4-07062026_070749.xml · nonDerivative · entry 1 Weber Brian P · CIK 0001322710 · EVP (CHESI) 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 47,914 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 Read SEC document |
| July 01, 2026 Filed Jul 6, 2026 19:13 UTC |
Gabriel Sharon M.EVP/CIO (CHESI)
|
Tax withholdingCommon Stock | 359 | $290.74 | $104,375.66 |
DisclosureSEC source: 0001756568-26-000010 · form4-07062026_070739.xml · nonDerivative · entry 1 Gabriel Sharon M. · CIK 0001756568 · EVP/CIO (CHESI) 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,706 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 Read SEC document |
| July 01, 2026 Filed Jul 6, 2026 19:11 UTC |
Underwood RebeccaPRESIDENT & EVP FACILITIES
|
Tax withholdingCommon Stock | 311 | $290.74 | $90,420.14 |
DisclosureSEC source: 0001990612-26-000006 · form4-07062026_070759.xml · nonDerivative · entry 1 Underwood Rebecca · CIK 0001990612 · PRESIDENT & EVP FACILITIES 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 18,373 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 Read SEC document |
| July 01, 2026 Filed Jul 6, 2026 19:10 UTC |
MCKIM ALAN SDirector · EXEC CHAIR, CTO.
|
Tax withholdingCommon Stock | 1,343 | $290.74 | $390,463.82 |
DisclosureSEC source: 0001024547-26-000010 · form4-07062026_070701.xml · nonDerivative · entry 1 MCKIM ALAN S · CIK 0001024547 · Director · EXEC CHAIR, CTO. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 31,419 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 Read SEC document |
| July 01, 2026 Filed Jul 6, 2026 19:08 UTC |
GERSTENBERG ERIC WCO-CEO
|
Tax withholdingCommon Stock | 564 | $290.74 | $163,977.36 |
DisclosureSEC source: 0001211558-26-000010 · form4-07062026_070748.xml · nonDerivative · entry 1 GERSTENBERG ERIC W · CIK 0001211558 · CO-CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 38,313 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 Read SEC document |
| July 01, 2026 Filed Jul 6, 2026 19:07 UTC |
Dugas Eric J.EVP CHIEF FINANCIAL OFFICER
|
Tax withholdingCommon Stock | 447 | $290.74 | $129,960.78 |
DisclosureSEC source: 0001663307-26-000008 · form4-07062026_070703.xml · nonDerivative · entry 1 Dugas Eric J. · CIK 0001663307 · EVP CHIEF FINANCIAL OFFICER 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,532 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 Read SEC document |
| July 01, 2026 Filed Jul 6, 2026 19:08 UTC |
Geer Charles H. IIEVP, Industrial Services
|
Tax withholdingCommon Stock | 40 | $290.74 | $11,629.60 |
DisclosureSEC source: 0002079092-26-000006 · form4-07062026_070759.xml · nonDerivative · entry 1 Geer Charles H. II · CIK 0002079092 · EVP, Industrial Services 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,799 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 Read SEC document |
| July 01, 2026 Filed Aug 11, 2026 17:51 UTC |
CURTIS GEORGE LEXEC. VICE PRESIDENT (CHESI)
|
Tax withholdingCommon Stock | 1,757 | $290.74 | $510,830.18 |
DisclosureSEC source: 0001216581-26-000006 · form4-08112026_050833.xml · nonDerivative · entry 1 CURTIS GEORGE L · CIK 0001216581 · EXEC. VICE PRESIDENT (CHESI) 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 44,291 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 Read SEC document |
| July 01, 2026 Filed Aug 12, 2026 11:57 UTC |
Battles Michael LouisDirector · CO-CEO
|
Tax withholdingCommon Stock | 1,032 | $290.74 | $300,043.68 |
DisclosureSEC source: 0001379357-26-000008 · form4-08122026_110819.xml · nonDerivative · entry 1 Battles Michael Louis · CIK 0001379357 · Director · CO-CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 94,355 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 Read SEC document |
| July 01, 2026 Filed Aug 14, 2026 13:23 UTC Amendment |
GERSTENBERG ERIC WCO-CEO
|
Tax withholdingCommon Stock | 564 | $290.74 | $163,977.36 |
DisclosureSEC source: 0001211558-26-000018 · form4a-08142026_010823.xml · nonDerivative · entry 1 GERSTENBERG ERIC W · CIK 0001211558 · CO-CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 59,293 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. F2 · balance_after: Correction to Total Number of Shares Held. Read SEC document |
| July 01, 2026 Filed Aug 14, 2026 13:09 UTC Amendment |
Dugas Eric J.EVP CHIEF FINANCIAL OFFICER
|
Tax withholdingCommon Stock | 447 | $290.74 | $129,960.78 |
DisclosureSEC source: 0001663307-26-000014 · form4a-08142026_010826.xml · nonDerivative · entry 1 Dugas Eric J. · CIK 0001663307 · EVP CHIEF FINANCIAL OFFICER 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 17,620 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. F2 · balance_after: Correction to Total Number of Shares Held. Read SEC document |
| June 01, 2026 Filed Jun 3, 2026 19:35 UTC |
Diderich JeroenEVP&President of Sales&Service
|
Tax withholdingCommon Stock | 1,717 | $281.00 | $482,477.00 |
DisclosureSEC source: 0002025402-26-000004 · form4-06032026_070655.xml · nonDerivative · entry 1 Diderich Jeroen · CIK 0002025402 · EVP&President of Sales&Service 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 16,152 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 F2 · balance_after: Includes 14 shares acquired under the Clean Harbors Employee Stock Purchase Plan. Read SEC document |
| May 26, 2026 Filed May 27, 2026 11:59 UTC |
States LaurenDirector
|
SaleCommon Stock | 789 | $286.19 | $225,803.91 |
DisclosureSEC source: 0001670022-26-000005 · form4-05272026_110554.xml · nonDerivative · entry 1 States Lauren · CIK 0001670022 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 11,359 Read SEC document |
| May 20, 2026 Filed May 22, 2026 15:53 UTC |
Willett RobertDirector
|
GrantCommon Stock | 652 | $0.00 | $0.00 |
DisclosureSEC source: 0001438093-26-000007 · form4-05222026_030556.xml · nonDerivative · entry 1 Willett Robert · CIK 0001438093 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,028 F1 · shares: Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders. Read SEC document |
| May 20, 2026 Filed May 22, 2026 15:50 UTC |
Welch John R.Director
|
GrantCommon Stock | 652 | $0.00 | $0.00 |
DisclosureSEC source: 0001611303-26-000003 · form4-05222026_030523.xml · nonDerivative · entry 1 Welch John R. · CIK 0001611303 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,889 F1 · shares: Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders. Read SEC document |
| May 20, 2026 Filed May 22, 2026 15:47 UTC |
Stewart Shelley JRDirector
|
GrantCommon Stock | 652 | $0.00 | $0.00 |
DisclosureSEC source: 0001444506-26-000002 · form4-05222026_030548.xml · nonDerivative · entry 1 Stewart Shelley JR · CIK 0001444506 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,523 F1 · shares: Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders. Read SEC document |
| May 20, 2026 Filed May 22, 2026 15:45 UTC |
States LaurenDirector
|
GrantCommon Stock | 652 | $0.00 | $0.00 |
DisclosureSEC source: 0001670022-26-000001 · form4-05222026_030504.xml · nonDerivative · entry 1 States Lauren · CIK 0001670022 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 12,148 F1 · shares: Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders. Read SEC document |
| May 20, 2026 Filed May 22, 2026 15:36 UTC |
Robertson AndreaDirector
|
GrantCommon Stock | 652 | $0.00 | $0.00 |
DisclosureSEC source: 0001295248-26-000003 · form4-05222026_030532.xml · nonDerivative · entry 1 Robertson Andrea · CIK 0001295248 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,768 F1 · shares: Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders. Read SEC document |
| May 20, 2026 Filed May 22, 2026 15:33 UTC |
Reed Marcy L.Director
|
GrantCommon Stock | 652 | $0.00 | $0.00 |
DisclosureSEC source: 0001883932-26-000005 · form4-05222026_030511.xml · nonDerivative · entry 1 Reed Marcy L. · CIK 0001883932 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,733 F1 · shares: Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders. Read SEC document |
| May 20, 2026 Filed May 22, 2026 15:26 UTC |
PRESTON JOHN TDirector
|
GrantCommon Stock | 652 | $0.00 | $0.00 |
DisclosureSEC source: 0000938731-26-000001 · form4-05222026_030539.xml · nonDerivative · entry 1 PRESTON JOHN T · CIK 0000938731 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,044 F1 · shares: Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders. Read SEC document |
| May 20, 2026 Filed May 22, 2026 15:29 UTC |
Quirk Alison A.Director
|
GrantCommon Stock | 652 | $0.00 | $0.00 |
DisclosureSEC source: 0001485499-26-000001 · form4-05222026_030528.xml · nonDerivative · entry 1 Quirk Alison A. · CIK 0001485499 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,630 F1 · shares: Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders. Read SEC document |
| May 20, 2026 Filed May 22, 2026 15:22 UTC |
GALANTE EDWARD GDirector
|
GrantCommon Stock | 652 | $0.00 | $0.00 |
DisclosureSEC source: 0001199009-26-000005 · form4-05222026_030557.xml · nonDerivative · entry 1 GALANTE EDWARD G · CIK 0001199009 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 25,461 F1 · shares: Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders. Read SEC document |
| May 20, 2026 Filed May 22, 2026 15:14 UTC |
Polito KarynDirector
|
GrantCommon Stock | 652 | $0.00 | $0.00 |
DisclosureSEC source: 0001965457-26-000005 · form4-05222026_030543.xml · nonDerivative · entry 1 Polito Karyn · CIK 0001965457 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 4,127 F1 · shares: Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders. Read SEC document |
| May 11, 2026 Filed May 12, 2026 12:17 UTC |
Robertson AndreaDirector
|
GiftCommon Stock | 342 | $0.00 | $0.00 |
DisclosureSEC source: 0001295248-26-000002 · form4-05122026_120510.xml · nonDerivative · entry 1 Robertson Andrea · CIK 0001295248 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 9,116 F1 · shares: Charitable Gift. Read SEC document |
| May 11, 2026 Filed May 13, 2026 12:48 UTC |
Polito KarynDirector
|
GrantCommon Stock | 460 | $295.13 | $135,759.80 |
DisclosureSEC source: 0001965457-26-000002 · form4-05132026_120516.xml · nonDerivative · entry 1 Polito Karyn · CIK 0001965457 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,475 Read SEC document |
| May 11, 2026 Filed May 14, 2026 14:12 UTC Amendment |
Polito KarynDirector
|
PurchaseCommon Stock | 460 | $295.13 | $135,759.80 |
DisclosureSEC source: 0001965457-26-000004 · form4a-05142026_020543.xml · nonDerivative · entry 1 Polito Karyn · CIK 0001965457 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 3,475 F1 · kind: Item 3, Transaction Code, edited to correct a clerical error. Read SEC document |
| March 18, 2026 Filed Mar 19, 2026 19:18 UTC |
Reed Marcy L.Director
|
SaleCommon Stock | 836 | $287.94 | $240,717.84 |
DisclosureSEC source: 0001883932-26-000002 · form4-03192026_070317.xml · nonDerivative · entry 1 Reed Marcy L. · CIK 0001883932 · Director 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 5,081 Read SEC document |
| March 18, 2026 Filed Mar 19, 2026 19:19 UTC |
GERSTENBERG ERIC WCO-CEO
|
SaleCommon Stock | 1,000 | $293.00 | $293,000.00 |
DisclosureSEC source: 0001211558-26-000008 · form4-03192026_070304.xml · nonDerivative · entry 1 GERSTENBERG ERIC W · CIK 0001211558 · CO-CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 38,877 Read SEC document |
| March 18, 2026 Filed Aug 14, 2026 13:20 UTC Amendment |
GERSTENBERG ERIC WCO-CEO
|
SaleCommon Stock | 1,000 | $293.00 | $293,000.00 |
DisclosureSEC source: 0001211558-26-000016 · form4a-08142026_010825.xml · nonDerivative · entry 1 GERSTENBERG ERIC W · CIK 0001211558 · CO-CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 59,857 F1 · balance_after: Correction to Total Number of Shares Held. Read SEC document |
| March 17, 2026 Filed Mar 17, 2026 19:53 UTC |
Weber Brian PEVP (CHESI)
|
SaleCommon Stock | 4,683 | $293.39 | $1,373,945.37 |
DisclosureSEC source: 0001322710-26-000004 · form4-03172026_070354.xml · nonDerivative · entry 3 Weber Brian P · CIK 0001322710 · EVP (CHESI) 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 48,728 Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:53 UTC |
Weber Brian PEVP (CHESI)
|
Disposition to issuerCommon Stock | 1,869 | $0.00 | $0.00 |
DisclosureSEC source: 0001322710-26-000004 · form4-03172026_070354.xml · nonDerivative · entry 2 Weber Brian P · CIK 0001322710 · EVP (CHESI) 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 53,411 F2 · shares: Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:53 UTC |
Weber Brian PEVP (CHESI)
|
Tax withholdingCommon Stock | 960 | $288.93 | $277,372.80 |
DisclosureSEC source: 0001322710-26-000004 · form4-03172026_070354.xml · nonDerivative · entry 1 Weber Brian P · CIK 0001322710 · EVP (CHESI) 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 55,280 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:52 UTC |
Gabriel Sharon M.EVP/CIO (CHESI)
|
Disposition to issuerCommon Stock | 1,401 | $0.00 | $0.00 |
DisclosureSEC source: 0001756568-26-000008 · form4-03172026_070317.xml · nonDerivative · entry 2 Gabriel Sharon M. · CIK 0001756568 · EVP/CIO (CHESI) 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 21,065 F2 · shares: Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:52 UTC |
Gabriel Sharon M.EVP/CIO (CHESI)
|
Tax withholdingCommon Stock | 727 | $288.93 | $210,052.11 |
DisclosureSEC source: 0001756568-26-000008 · form4-03172026_070317.xml · nonDerivative · entry 1 Gabriel Sharon M. · CIK 0001756568 · EVP/CIO (CHESI) 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 22,466 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:53 UTC |
Underwood RebeccaPRESIDENT & EVP FACILITIES
|
Disposition to issuerCommon Stock | 1,401 | $0.00 | $0.00 |
DisclosureSEC source: 0001990612-26-000004 · form4-03172026_070309.xml · nonDerivative · entry 2 Underwood Rebecca · CIK 0001990612 · PRESIDENT & EVP FACILITIES 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 18,684 F2 · shares: Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:53 UTC |
Underwood RebeccaPRESIDENT & EVP FACILITIES
|
Tax withholdingCommon Stock | 125 | $288.93 | $36,116.25 |
DisclosureSEC source: 0001990612-26-000004 · form4-03172026_070309.xml · nonDerivative · entry 1 Underwood Rebecca · CIK 0001990612 · PRESIDENT & EVP FACILITIES 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 20,085 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:51 UTC |
GERSTENBERG ERIC WCO-CEO
|
Disposition to issuerCommon Stock | 2,166 | $0.00 | $0.00 |
DisclosureSEC source: 0001211558-26-000006 · form4-03172026_070328.xml · nonDerivative · entry 2 GERSTENBERG ERIC W · CIK 0001211558 · CO-CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 39,877 F2 · shares: Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:51 UTC |
GERSTENBERG ERIC WCO-CEO
|
Tax withholdingCommon Stock | 977 | $288.93 | $282,284.61 |
DisclosureSEC source: 0001211558-26-000006 · form4-03172026_070328.xml · nonDerivative · entry 1 GERSTENBERG ERIC W · CIK 0001211558 · CO-CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 42,043 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:11 UTC |
Harrison Robert W.EVP, EHS
|
Disposition to issuerCommon Stock | 368 | $0.00 | $0.00 |
DisclosureSEC source: 0001954916-26-000004 · form4-03172026_070327.xml · nonDerivative · entry 2 Harrison Robert W. · CIK 0001954916 · EVP, EHS 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 6,648 F2 · shares: Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:11 UTC |
Harrison Robert W.EVP, EHS
|
Tax withholdingCommon Stock | 18 | $288.93 | $5,200.74 |
DisclosureSEC source: 0001954916-26-000004 · form4-03172026_070327.xml · nonDerivative · entry 1 Harrison Robert W. · CIK 0001954916 · EVP, EHS 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 7,016 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:10 UTC |
Geer Charles H. IIEVP, Industrial Services
|
Disposition to issuerCommon Stock | 139 | $0.00 | $0.00 |
DisclosureSEC source: 0002079092-26-000004 · form4-03172026_070342.xml · nonDerivative · entry 1 Geer Charles H. II · CIK 0002079092 · EVP, Industrial Services 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 10,839 F1 · shares: Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. F2 · balance_after: Includes 15 shares acquired under the Clean Harbors Employee Stock Purchase Plan Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:09 UTC |
Dugas Eric J.EVP CHIEF FINANCIAL OFFICER
|
Disposition to issuerCommon Stock | 1,324 | $0.00 | $0.00 |
DisclosureSEC source: 0001663307-26-000006 · form4-03172026_070354.xml · nonDerivative · entry 2 Dugas Eric J. · CIK 0001663307 · EVP CHIEF FINANCIAL OFFICER 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 13,979 F2 · shares: Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:09 UTC |
Dugas Eric J.EVP CHIEF FINANCIAL OFFICER
|
Tax withholdingCommon Stock | 630 | $288.93 | $182,025.90 |
DisclosureSEC source: 0001663307-26-000006 · form4-03172026_070354.xml · nonDerivative · entry 1 Dugas Eric J. · CIK 0001663307 · EVP CHIEF FINANCIAL OFFICER 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 15,303 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:08 UTC |
CURTIS GEORGE LEXEC. VICE PRESIDENT (CHESI)
|
Disposition to issuerCommon Stock | 1,028 | $0.00 | $0.00 |
DisclosureSEC source: 0001216581-26-000004 · form4-03172026_070356.xml · nonDerivative · entry 2 CURTIS GEORGE L · CIK 0001216581 · EXEC. VICE PRESIDENT (CHESI) 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 46,048 F2 · shares: Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. F3 · balance_after: Includes 11 shares acquired under the Clean Harbors Employee Stock Purchase Plan Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:08 UTC |
CURTIS GEORGE LEXEC. VICE PRESIDENT (CHESI)
|
Tax withholdingCommon Stock | 350 | $288.93 | $101,125.50 |
DisclosureSEC source: 0001216581-26-000004 · form4-03172026_070356.xml · nonDerivative · entry 1 CURTIS GEORGE L · CIK 0001216581 · EXEC. VICE PRESIDENT (CHESI) 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 47,065 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:08 UTC |
MCKIM ALAN SDirector · EXEC CHAIR, CTO.
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Tax withholdingCommon Stock | 1,265 | $288.93 | $365,496.45 |
DisclosureSEC source: 0001024547-26-000008 · form4-03172026_070305.xml · nonDerivative · entry 4 MCKIM ALAN S · CIK 0001024547 · Director · EXEC CHAIR, CTO. 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 32,762 F1 · shares: Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. Read SEC document |
| March 13, 2026 Filed Mar 17, 2026 19:07 UTC |
Battles Michael LouisDirector · CO-CEO
|
Disposition to issuerCommon Stock | 2,166 | $0.00 | $0.00 |
DisclosureSEC source: 0001379357-26-000004 · form4-03172026_070316.xml · nonDerivative · entry 2 Battles Michael Louis · CIK 0001379357 · Director · CO-CEO 10b5-1 filing: No plan indicated Ownership: Direct Disclosed balance after: 95,387 F2 · shares: Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. F3 · balance_after: Includes 15 shares acquired under the Clean Harbors Employee Stock Purchase Plan. Read SEC document |
Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.