CURTIS GEORGE L 4

What Happened

George L. Curtis, Executive Vice President of Clean Harbors, had 249 shares withheld to satisfy tax liabilities related to vesting. The withholding price was $259.91 per share, totaling roughly $64,718. This was a tax-withholding disposal of shares (code F), not an open-market sale.

Key Details

• Transaction date: 2026-02-02; Form 4 filed: 2026-02-03.
• Shares withheld/disposed: 249 at $259.91 each; total ≈ $64,718.
• Shares owned after the transaction: not disclosed in the filing.
• Footnote: F1 — payment of tax liability by withholding of securities incident to vesting under Rule 16b-3.
• Filing timeliness: reported the day after the transaction; no late filing indicated.

Context

This was a routine tax-withholding action tied to the vesting of shares (a common way to cover payroll/tax obligations) rather than a sale intending to raise cash on the open market. Such withholding events are administrative and don't necessarily signal the insider's view of the company's stock.