CLH · Clean Harbors Inc · Insider Trading

$316.28 -0.33 (-0.10%) At close · Oct 20

S&P 400 member Russell 1000 member Rebalance outlook locked

Market Cap

$16.71B

52.85M

Volume · Oct 20 344.62K Avg daily vol (3M) 426.68K

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.

Query insider transactions through the insider trading API or MCP →

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

Net buyers

-2

Net shares bought

-0.01%

Net buy value

-$1,051,103

Date	Insider	Role	Type	Security	Shares	Price	Value	After
2026-08-14	GERSTENBERG ERIC W	CO-CEO	Sell↓	Common Stock	2,500	$321.34	$803,350	56,793
2026-08-03	Robertson Andrea	Director	Sell↓	Common Stock	789	$314.01	$247,754	8,979
2026-07-17	MCKIM ALAN S	Director, EXEC CHAIR, CTO.	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3	Common Stock	1,265	$310.58	$392,884	30,154
2026-07-01	MCKIM ALAN S	Director, EXEC CHAIR, CTO.	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3	Common Stock	1,343	$290.74	$390,464	31,419
2026-07-01	CURTIS GEORGE L	EXEC. VICE PRESIDENT (CHESI)	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3	Common Stock	1,757	$290.74	$510,830	44,291
2026-07-01	Gabriel Sharon M.	EVP/CIO (CHESI)	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3	Common Stock	359	$290.74	$104,376	20,706
2026-07-01	Geer Charles H. II	EVP, Industrial Services	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3	Common Stock	40	$290.74	$11,630	10,799
2026-07-01	Weber Brian P	EVP (CHESI)	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3	Common Stock	814	$290.74	$236,662	47,914
2026-07-01	Battles Michael Louis	Director	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3	Common Stock	1,032	$290.74	$300,044	94,355
2026-07-01	Underwood Rebecca	PRESIDENT & EVP FACILITIES	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3	Common Stock	311	$290.74	$90,420	18,373
2026-07-01	GERSTENBERG ERIC W	CO-CEO	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. Correction to Total Number of Shares Held.	Common Stock	564	$290.74	$163,977	59,293
2026-07-01	Dugas Eric J.	EVP CHIEF FINANCIAL OFFICER	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. Correction to Total Number of Shares Held.	Common Stock	447	$290.74	$129,961	17,620
2026-06-01	Diderich Jeroen	EVP&President of Sales&Service	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3 Includes 14 shares acquired under the Clean Harbors Employee Stock Purchase Plan.	Common Stock	1,717	$281.00	$482,477	16,152
2026-05-26	States Lauren	Director	Sell↓	Common Stock	789	$286.19	$225,804	11,359
2026-05-20	GALANTE EDWARD G	Director	Award↑ Filing footnotes — Common Stock (Direct) Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.	Common Stock	652	—	—	25,461
2026-05-20	Polito Karyn	Director	Award↑ Filing footnotes — Common Stock (Direct) Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.	Common Stock	652	—	—	4,127
2026-05-20	States Lauren	Director	Award↑ Filing footnotes — Common Stock (Direct) Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.	Common Stock	652	—	—	12,148
2026-05-20	Quirk Alison A.	Director	Award↑ Filing footnotes — Common Stock (Direct) Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.	Common Stock	652	—	—	3,630
2026-05-20	Stewart Shelley JR	Director	Award↑ Filing footnotes — Common Stock (Direct) Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.	Common Stock	652	—	—	4,523
2026-05-20	Welch John R.	Director	Award↑ Filing footnotes — Common Stock (Direct) Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.	Common Stock	652	—	—	10,889
2026-05-20	Willett Robert	Director	Award↑ Filing footnotes — Common Stock (Direct) Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.	Common Stock	652	—	—	10,028
2026-05-20	Robertson Andrea	Director	Award↑ Filing footnotes — Common Stock (Direct) Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.	Common Stock	652	—	—	9,768
2026-05-20	PRESTON JOHN T	Director	Award↑ Filing footnotes — Common Stock (Direct) Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.	Common Stock	652	—	—	7,044
2026-05-20	Reed Marcy L.	Director	Award↑ Filing footnotes — Common Stock (Direct) Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.	Common Stock	652	—	—	5,733
2026-05-11	Robertson Andrea	Director	Gift↓ Filing footnotes — Common Stock (Direct) Charitable Gift.	Common Stock	342	—	—	9,116
2026-05-11	Polito Karyn	Director	Buy↑ Filing footnotes — Common Stock (Direct) Item 3, Transaction Code, edited to correct a clerical error.	Common Stock	460	$295.13	$135,760	3,475
2026-03-18	GERSTENBERG ERIC W	CO-CEO	Sell↓ Filing footnotes — Common Stock (Direct) Correction to Total Number of Shares Held.	Common Stock	1,000	$293.00	$293,000	59,857
2026-03-18	Reed Marcy L.	Director	Sell↓	Common Stock	836	$287.94	$240,718	5,081
2026-03-17	Weber Brian P	EVP (CHESI)	Sell↓	Common Stock	4,683	$293.39	$1,373,945	48,728
2026-03-13	CURTIS GEORGE L	EXEC. VICE PRESIDENT (CHESI)	Other↓ Filing footnotes — Common Stock (Direct) Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. Includes 11 shares acquired under the Clean Harbors Employee Stock Purchase Plan	Common Stock	1,028	—	—	46,048
2026-03-13	Gabriel Sharon M.	EVP/CIO (CHESI)	Other↓ Filing footnotes — Common Stock (Direct) Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program.	Common Stock	1,401	—	—	21,065
2026-03-13	GERSTENBERG ERIC W	CO-CEO	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b. Correction to Total Number of Shares Held.	Common Stock	977	$288.93	$282,285	63,023
2026-03-13	Dugas Eric J.	EVP CHIEF FINANCIAL OFFICER	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. Correction to Total Number of Shares Held.	Common Stock	630	$288.93	$182,026	19,391
2026-03-13	Harrison Robert W.	EVP, EHS	Other↓ Filing footnotes — Common Stock (Direct) Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program.	Common Stock	368	—	—	6,648
2026-03-13	MCKIM ALAN S	Director, EXEC CHAIR, CTO.	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.	Common Stock	1,265	$288.93	$365,496	32,762
2026-03-13	Battles Michael Louis	Director	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.	Common Stock	1,148	$288.93	$331,692	97,538
2026-03-13	Harrison Robert W.	EVP, EHS	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.	Common Stock	18	$288.93	$5,201	7,016
2026-03-13	GERSTENBERG ERIC W	CO-CEO	Other↓ Filing footnotes — Common Stock (Direct) Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. Correction to Total Number of Shares Held.	Common Stock	2,166	—	—	60,857
2026-03-13	Weber Brian P	EVP (CHESI)	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.	Common Stock	960	$288.93	$277,373	55,280
2026-03-13	Dugas Eric J.	EVP CHIEF FINANCIAL OFFICER	Other↓ Filing footnotes — Common Stock (Direct) Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. Correction to Total Number of Shares Held.	Common Stock	1,324	—	—	18,067
2026-03-13	Gabriel Sharon M.	EVP/CIO (CHESI)	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.	Common Stock	727	$288.93	$210,052	22,466
2026-03-13	CURTIS GEORGE L	EXEC. VICE PRESIDENT (CHESI)	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.	Common Stock	350	$288.93	$101,126	47,065
2026-03-13	Underwood Rebecca	PRESIDENT & EVP FACILITIES	Other↓ Filing footnotes — Common Stock (Direct) Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program.	Common Stock	1,401	—	—	18,684
2026-03-13	Battles Michael Louis	Director	Other↓ Filing footnotes — Common Stock (Direct) Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. Includes 15 shares acquired under the Clean Harbors Employee Stock Purchase Plan.	Common Stock	2,166	—	—	95,387
2026-03-13	Geer Charles H. II	EVP, Industrial Services	Other↓ Filing footnotes — Common Stock (Direct) Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program. Includes 15 shares acquired under the Clean Harbors Employee Stock Purchase Plan	Common Stock	139	—	—	10,839
2026-03-13	Underwood Rebecca	PRESIDENT & EVP FACILITIES	Tax↓ Filing footnotes — Common Stock (Direct) Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.	Common Stock	125	$288.93	$36,116	20,085
2026-03-13	Weber Brian P	EVP (CHESI)	Other↓ Filing footnotes — Common Stock (Direct) Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program.	Common Stock	1,869	—	—	53,411
2026-03-04	MCKIM ALAN S	Director, EXEC CHAIR, CTO.	Sell↓	Common Stock (I)	100,000	$292.65	$29,265,000	2,065,368
2026-02-23	GERSTENBERG ERIC W	CO-CEO	Sell↓ Filing footnotes — Common Stock (Direct) Correction to Total Number of Shares Held.	Common Stock	2,500	$279.86	$699,650	64,000
2026-02-20	Gabriel Sharon M.	EVP/CIO (CHESI)	Sell↓	Common Stock	3,540	$282.07	$998,528	23,193

Legend Buy — open-market purchase Sell — open-market sale ↑ Shares acquired ↓ Shares disposed (gift, conversion, tax…)

Showing 1–50 of 705 transactions

Key facts CIK 822818 CUSIP 184496107 13F (30d) 98 filings 92 filers Visit website Investor relations