Form 4 Filing for Regina E. Groves

Regina E. Groves, a director at AtriCure, Inc., acquired 6,144 shares of Common Stock on May 18, 2026. The acquisition was made through a Restricted Stock Award under the AtriCure, Inc. 2023 Stock Incentive Plan, with the shares vesting one year after the grant date. The transaction code indicates an acquisition, and the shares were acquired at a price of $0.00. Following this transaction, Ms. Groves now owns 39,859 shares of Common Stock directly. The filing was signed on May 20, 2026, by Allison Walker as Attorney-in-fact for Regina E. Groves. This transaction is classified as an equity offering due to the nature of the stock award.