Clean Harbors Inc (CLH) insider trading.
In Q3 2026, insiders at Clean Harbors Inc reported 21 non-derivative transactions on 19 Forms 3, 4 and 5: 0 open-market purchases and 5 sales worth $2.8M.
- Transactions
- 21
- Purchases (P)
- 0
- Sales (S)
- 5
- Net shares, P minus S
- -9,577
- Insiders
- 10
- Last filed
- 2026-08-18
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Gerstenberg Eric W | Officer · CO-CEO | 7 | 0 | 3 |
| Dugas Eric J. | Officer · EVP CHIEF FINANCIAL OFFICER | 5 | 0 | 1 |
| Mckim Alan S | Director, Officer · EXEC CHAIR, CTO. | 2 | 0 | 0 |
| Robertson Andrea | Director | 1 | 0 | 1 |
| Battles Michael Louis | Director, Officer · CO-CEO | 1 | 0 | 0 |
| Curtis George L | Officer · EXEC. VICE PRESIDENT (CHESI) | 1 | 0 | 0 |
| Weber Brian P | Officer · EVP (CHESI) | 1 | 0 | 0 |
| Gabriel Sharon M. | Officer · EVP/CIO (CHESI) | 1 | 0 | 0 |
| Underwood Rebecca | Officer · PRESIDENT & EVP FACILITIES | 1 | 0 | 0 |
| Geer Charles H. II | Officer · EVP, Industrial Services | 1 | 0 | 0 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-14 | Gerstenberg Eric W | S (D) | 2,500 | $321.34 | 56,793 | Form 4 |
| 2026-08-03 | Robertson Andrea | S (D) | 789 | $314.01 | 8,979 | Form 4 |
| 2026-07-17 | Mckim Alan S | F (D) | 1,265 | $310.58 | 30,154 | Form 4 |
| 2026-07-01 | Gerstenberg Eric W | F (D) | 564 | $290.74 | 59,293 | Form 4/A |
| 2026-07-01 | Dugas Eric J. | F (D) | 447 | $290.74 | 17,620 | Form 4/A |
| 2026-07-01 | Battles Michael Louis | F (D) | 1,032 | $290.74 | 94,355 | Form 4 |
| 2026-07-01 | Curtis George L | F (D) | 1,757 | $290.74 | 44,291 | Form 4 |
| 2026-07-01 | Mckim Alan S | F (D) | 1,343 | $290.74 | 31,419 | Form 4 |
| 2026-07-01 | Gerstenberg Eric W | F (D) | 564 | $290.74 | 38,313 | Form 4 |
| 2026-07-01 | Weber Brian P | F (D) | 814 | $290.74 | 47,914 | Form 4 |
| 2026-07-01 | Dugas Eric J. | F (D) | 447 | $290.74 | 13,532 | Form 4 |
| 2026-07-01 | Gabriel Sharon M. | F (D) | 359 | $290.74 | 20,706 | Form 4 |
| 2026-07-01 | Underwood Rebecca | F (D) | 311 | $290.74 | 18,373 | Form 4 |
| 2026-07-01 | Geer Charles H. II | F (D) | 40 | $290.74 | 10,799 | Form 4 |
| 2026-03-18 | Gerstenberg Eric W | S (D) | 1,000 | $293 | 59,857 | Form 4/A |
| 2026-03-13 | Gerstenberg Eric W | D (D) | 2,166 | $0 | 60,857 | Form 4/A |
| 2026-03-13 | Gerstenberg Eric W | F (D) | 977 | $288.93 | 63,023 | Form 4/A |
| 2026-03-13 | Dugas Eric J. | F (D) | 630 | $288.93 | 19,391 | Form 4/A |
| 2026-03-13 | Dugas Eric J. | D (D) | 1,324 | $0 | 18,067 | Form 4/A |
| 2026-02-23 | Gerstenberg Eric W | S (D) | 2,500 | $279.86 | 64,000 | Form 4/A |
| 2026-02-20 | Dugas Eric J. | S (D) | 2,788 | $281.31 | 20,021 | Form 4/A |
Transaction codes in this quarter
Get CLH insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=822818&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · CLH company page · Clean Harbors Inc on SEC.gov
Questions
Are insiders buying or selling Clean Harbors Inc (CLH)?
In Q3 2026, insiders at Clean Harbors Inc reported 21 non-derivative transactions on 19 Forms 3, 4 and 5: 0 open-market purchases and 5 sales worth $2.8M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Clean Harbors Inc insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/clh.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.