Key facts
- This page summarizes Eric W. Gerstenberg's Form 4 filing for CLEAN HARBORS INC (CLH).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 19 Mar 2026, 15:19.
Eric W. Gerstenberg - 18 Mar 2026 Form 4 Insider Report for CLEAN HARBORS INC (CLH)
- Reporting relationship
- CO-CEO
- Issuer ticker
- CLH
- Reported as of
- 18 Mar 2026
- Net transaction value
- -$293,000
- SEC form
- 4
- Accepted by SEC
- 19 Mar 2026, 15:19:08 UTC
- Prior SEC filing
- 17 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Eric W. Gerstenberg
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Eric W. Gerstenberg filed Form 4 for CLEAN HARBORS INC (CLH) on 19 Mar 2026.
Change
- Previous filing in this sequence was filed on 17 Mar 2026.
- Current net transaction value: -$293,000.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001211558
Primary reporting owner
GERSTENBERG ERIC W
- Relationship
- CO-CEO
- Address
- C/O CLEAN HARBORS ENVIRON. SERVICES INC., 42 LONGWATER DRIVE, NORWELL
- Signature
- /s/ Eric W. Gerstenberg
- Signature date
- 19 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CLH
transaction
Common Stock
Sale
- Transaction value
- $293,000
- Shares
- -1,000
- Change %
- -2.5%
- Price
- $293.00
- Shares after
- 38,877
- Date
- 18 Mar 2026
- Ownership
- Direct
* marks a reported price that did not pass the local price check.