Key facts
- This page summarizes Alison A. Quirk's Form 4 filing for CLEAN HARBORS INC (CLH).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 22 May 2026, 11:29.
Alison A. Quirk - 20 May 2026 Form 4 Insider Report for CLEAN HARBORS INC (CLH)
- Reporting relationship
- Director
- Issuer ticker
- CLH
- Reported as of
- 20 May 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 22 May 2026, 11:29:31 UTC
- Prior SEC filing
- 13 May 2026
- Next SEC filing
- 02 Jul 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Alison A. Quirk
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Alison A. Quirk filed Form 4 for CLEAN HARBORS INC (CLH) on 22 May 2026.
Change
- Previous filing in this sequence was filed on 13 May 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 disclosures.
Reporting Owners (1)
CIK 0001485499
Primary reporting owner
Quirk Alison A.
- Relationship
- Director
- Address
- C/O CLEAN HARBORS, INC., 42 LONGWATER DRIVE, NORWELL
- Signature
- /s/ Alison A. Quirk
- Signature date
- 22 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
CLH
transaction
Common Stock
Award
- Transaction value
- Shares
- +652
- Change %
- +22%
- Price
- $0.000000*
- Shares after
- 3,630
- Date
- 20 May 2026
- Ownership
- Direct
- Footnotes
- F1
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 1 footnote
Footnote F1
Award of restricted stock to non-employee director vesting 100% upon the date of the next annual meeting of shareholders.