Form 4 Filing for AtriCure, Inc. - Insider Transaction

Douglas J. Seith, Chief Operating Officer of AtriCure, Inc., acquired 527 shares of common stock on June 30, 2026, for a total value of $12,521.76. The acquisition was made under the AtriCure, Inc. 2018 Employee Stock Purchase Plan, where shares were purchased at 85% of the closing price on the transaction date. The closing price on June 30, 2026, was $27.98 per share, and the purchase price was $23.78 per share. Following this transaction, Mr. Seith owns 229,867 shares of AtriCure, Inc. common stock directly. This filing is made on Form 4 and was signed on July 2, 2026.