Weber Brian P 4

What Happened
Brian P. Weber, Executive Vice President of Clean Harbors, was awarded restricted/performance shares and had shares withheld to cover tax liability. On 2026-02-01 Weber was granted two awards totaling 4,222 shares (3,166 and 1,056); on 2026-02-02, 1,394 shares were withheld/disposed to satisfy tax withholding at a reported price of $259.91 per share, value approximately $362,315. The grants are awards (not purchases) and the withheld shares reflect routine tax withholding, not an open-market sale.

Key Details

• Primary transactions:
  • 2026-02-01 — Award/Grant (code A): 3,166 shares (price reported $0.00) and 1,056 shares (price $0.00).
  • 2026-02-02 — Payment of tax liability by withholding (code F): 1,394 shares at $259.91 → $362,315 disposed.
• Shares owned after the transactions: not specified in this Form 4 filing.
• Footnotes:
  • F1: Withholding of securities to pay tax liability incident to vesting (Rule 16b‑3).
  • F2: 3,166-share award is performance-based: vests 50% on 3/15/2028 and 50% on 3/15/2029, contingent on goals for 1/1/2027–12/31/2027.
  • F3: 1,056-share restricted award vests 25% annually on Feb 1 of 2027–2030.
• Filing timeliness: Report covers transactions on 2026-02-01/02 and was filed 2026-02-03 — no late-filing indication in the report.

Context

• These transactions are award grants (A) and a tax-withholding disposition (F). Awards are compensation and typically subject to vesting and performance conditions; they are not the same as an open-market purchase.
• The 1,394-share disposition was a withholding to satisfy taxes on vested awards — a routine administrative action, not necessarily a signal about the insider’s view of the stock.