Form 4 Filing for William P. Hulligan - Casella Waste Systems Inc.

On June 4, 2026, William P. Hulligan, a director at Casella Waste Systems Inc., acquired 1,793 shares of Class A Common Stock at a price of $83.65 per share. This transaction was executed under the Casella Waste Systems, Inc. Amended and Restated 2016 Incentive Plan. Following this acquisition, Mr. Hulligan now owns 8,161 shares of Class A Common Stock. The filing indicates that these shares represent restricted stock units (RSUs) that will fully vest on June 4, 2027. The transaction was reported on Form 4, filed on June 5, 2026.