Key facts
- This page summarizes Eric W. Gerstenberg's Form 4/A - Amendment filing for CLEAN HARBORS INC (CLH).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 14 Aug 2026, 09:23.
Eric W. Gerstenberg - 01 Jul 2026 Form 4/A - Amendment Insider Report for CLEAN HARBORS INC (CLH)
- SEC form
- 4/A - Amendment
- Accepted by SEC
- 14 Aug 2026, 09:23:26 UTC
- Original report date
- 06 Jul 2026
- Prior SEC filing
- 14 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Eric W. Gerstenberg
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Eric W. Gerstenberg filed Form 4/A - Amendment for CLEAN HARBORS INC (CLH) on 14 Aug 2026.
Change
- Previous filing in this sequence was filed on 14 Aug 2026.
- Current net transaction value: $0.
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/A - Amendment 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
- 14 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CLH
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -564
- Change %
- -0.94%
- Price
- $290.74*
- Shares after
- 59,293
- Date
- 01 Jul 2026
- Ownership
- Direct
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.
Footnote F2
Correction to Total Number of Shares Held.