Form 4 Filing for Assertio Holdings, Inc.

This filing details transactions by Heather L. Mason, a director at Assertio Holdings, Inc. The transactions occurred on June 16, 2026, and involved the disposal of 20,944 shares of Common Stock and 6,666 shares held indirectly. Additionally, stock options were disposed of: 36,666 options with an exercise price of $17.10 and 5,415 options with an exercise price of $9.2565. These transactions are part of a merger agreement where Assertio Holdings, Inc. was acquired, with shares converted to $23.50 cash. Restricted stock units also vested and were converted to cash payments. All reported transactions resulted in zero shares held post-transaction.