GROVES REGINA E 4

What Happened
Regina E. Groves, a director of AtriCure, Inc. (ATRC), was granted 6,144 restricted shares on May 18, 2026. The shares were awarded at $0.00 per share (total acquisition value $0) under AtriCure’s 2023 Stock Incentive Plan. This was an award/grant (not a purchase or sale).

Key Details

• Transaction date: 2026-05-18; Filing date: 2026-05-20 (filed within the typical two-business-day Form 4 window).
• Transaction type: Award/Grant (code A). Price per share: $0.00. Total reported value: $0.
• Shares granted: 6,144 restricted common shares.
• Shares owned after transaction: Not specified in the filing.
• Footnote: The shares were issued pursuant to a Restricted Stock Award under the 2023 Stock Incentive Plan and will vest on the one-year anniversary of the grant date (per filing footnote).

Context
Restricted stock awards are standard compensation for directors and typically vest over time; they represent a deferred equity grant rather than a market purchase or sale. A $0 grant price reflects a compensatory award, which does not itself indicate immediate market sentiment.