CLH
Clean Harbors IncTrades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.
Insider Sentiment Score
Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 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 |
| 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 |
Common Stock
|
447 |
| 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 |
| 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 |
| 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 |
| 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 |
Common Stock
|
564 |
| 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 |
| 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 |
| 2026-05-26 | States Lauren |
Director |
Sell↓
|
Common Stock
|
789 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 2026-05-11 | Robertson Andrea |
Director |
Gift↓
Filing footnotes — Common Stock (Direct)
Charitable Gift. |
Common Stock
|
342 |
| 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 |
| 2026-03-18 | Reed Marcy L. |
Director |
Sell↓
|
Common Stock
|
836 |
| 2026-03-18 | GERSTENBERG ERIC W |
CO-CEO |
Sell↓
|
Common Stock
|
1,000 |
| 2026-03-17 | Weber Brian P |
EVP (CHESI) |
Sell↓
|
Common Stock
|
4,683 |
| 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. |
Common Stock
|
2,166 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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. |
Common Stock
|
630 |
| 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 16b3. |
Common Stock
|
977 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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. |
Common Stock
|
1,324 |
| 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 |
| 2026-03-04 | MCKIM ALAN S |
Director, EXEC CHAIR, CTO. |
Sell↓
|
Common Stock
(I)
|
100,000 |
| 2026-02-23 | GERSTENBERG ERIC W |
CO-CEO |
Sell↓
|
Common Stock
|
2,500 |
| 2026-02-20 | Gabriel Sharon M. |
EVP/CIO (CHESI) |
Sell↓
|
Common Stock
|
3,540 |
| 2026-02-20 | Dugas Eric J. |
EVP CHIEF FINANCIAL OFFICER |
Sell↓
|
Common Stock
|
2,788 |
| 2026-02-19 | MCKIM ALAN S |
Director, EXEC CHAIR, CTO. |
Sell↓
|
Common Stock
(I)
|
100,000 |
| 2026-02-19 | MCKIM ALAN S |
Director, EXEC CHAIR, CTO. |
Gift↓
Filing footnotes — Common Stock (Indirect)
Charitable Gift. |
Common Stock
(I)
|
10,000 |
| 2026-02-19 | Welch John R. |
Director |
Sell↓
|
Common Stock
|
750 |
| 2026-02-02 | 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. |
Common Stock
|
105 |