Key facts
- This page summarizes Eric W. Gerstenberg's Form 4 filing for CLEAN HARBORS INC (CLH).
- 3 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 03 Feb 2026, 15:36.
Eric W. Gerstenberg - 01 Feb 2026 Form 4 Insider Report for CLEAN HARBORS INC (CLH)
- Reporting relationship
- CO-CEO
- Issuer ticker
- CLH
- Reported as of
- 01 Feb 2026
- Net transaction value
- -$1,282,396
- SEC form
- 4
- Accepted by SEC
- 03 Feb 2026, 15:36:42 UTC
- Prior SEC filing
- 17 Dec 2025
- Next 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 for CLEAN HARBORS INC (CLH) on 03 Feb 2026.
Change
- Previous filing in this sequence was filed on 17 Dec 2025.
- Current net transaction value: -$1,282,396.
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
- 03 Feb 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CLH
transaction
Common Stock
Tax liability
- Transaction value
- $1,282,396
- Shares
- -4,934
- Change %
- -9.8%
- Price
- $259.91
- Shares after
- 45,520
- Date
- 02 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
CLH
transaction
Common Stock
Award
- Transaction value
- $0
- Shares
- +10,290
- Change %
- +23%
- Price
- $0.000000
- Shares after
- 55,810
- Date
- 01 Feb 2026
- Ownership
- Direct
- Footnotes
- F2
CLH
transaction
Common Stock
Award
- Transaction value
- $0
- Shares
- +10,690
- Change %
- +19%
- Price
- $0.000000
- Shares after
- 66,500
- Date
- 01 Feb 2026
- Ownership
- Direct
- Footnotes
- F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 footnotes
Footnote F1
Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.
Footnote F2
Performance-Based Restricted Stock Award that will vest 50% on 3/15/2028 and 50% on 3/15/2029, depending on achievement of certain goals during the performance period 1/1/2027 through 12/31/2027
Footnote F3
Restricted Stock Award vesting as to 25% on February 1, 2027; 25% on February 1, 2028; 25% on February 1, 2029; and 25% on February 1, 2030.