GERSTENBERG ERIC W 4
4 · CLEAN HARBORS INC · Filed Mar 17, 2026
Research Summary
AI-generated summary of this filing
Clean Harbors Co-CEO Eric Gerstenberg Withholds 977 Shares, Forfeits 2,166
What Happened
- Eric W. Gerstenberg, Co‑CEO of Clean Harbors Inc. (CLH), reported dispositions on 2026-03-13: 977 shares were withheld to cover tax liability at $288.93 per share (value reported $282,285) and 2,166 restricted shares were forfeited to the issuer at $0.00 because performance targets were not met.
Key Details
- Transaction date: March 13, 2026; Form 4 filed March 17, 2026 (filed within the standard two business days).
- Withholding: 977 shares withheld for tax payment at $288.93/share — reported value $282,285 (footnote F1: withholding incident to vesting under Rule 16b‑3).
- Forfeiture: 2,166 restricted shares forfeited to the issuer due to unmet performance targets under the Long Term Equity Incentive Program (footnote F2).
- Shares owned after the transactions: not specified in the provided excerpt.
- Transaction codes: F = tax withholding; D = disposition to issuer (forfeiture). These were not open‑market sales.
Context
- These actions are administrative (tax withholding on vested awards and forfeiture for unmet performance) rather than discretionary market sales by the insider, so they don't necessarily signal a change in the insider’s view of the company.
Insider Transaction Report
Form 4
GERSTENBERG ERIC W
CO-CEO
Transactions
- Tax Payment
Common Stock
[F1]2026-03-13$288.93/sh−977$282,285→ 42,043 total - Disposition to Issuer
Common Stock
[F2]2026-03-13−2,166→ 39,877 total
Footnotes (2)
- [F1]Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3.
- [F2]Shares of restricted stock forfeited due to the Company not achieving performance targets under its Long Term Equity Incentive Program.
Signature
/s/ Eric W. Gerstenberg|2026-03-17