Reed Marcy L. 4

What Happened
Marcy L. Reed, a director of Clean Harbors, Inc. (CLH), received a grant (transaction code A) of 652 restricted common shares on 2026-05-20. The filing reports an acquisition price of $0.00 (award), so the reported transaction value is $0. This is a compensation award to a non-employee director rather than an open-market purchase or sale.

Key Details

• Transaction date: 2026-05-20; Form 4 filed: 2026-05-22 (timely filing).
• Shares granted: 652 restricted shares at $0.00 per share (award). Reported total purchase value: $0.
• Vesting: 100% vests on the date of the next annual meeting of shareholders (per footnote).
• Shares owned after transaction: not specified in the provided excerpt of the filing.
• Nature: director compensation (award to a non-employee director), not a sale or market purchase.

Context
Restricted stock awards to non-employee directors are a common form of board compensation and typically vest over time or on a specified event; they do not necessarily signal immediate buying or selling intent. Because this was an award (not a sale or open-market buy), it should be viewed as routine director compensation unless other insider activity suggests otherwise.