AtriCure, Inc. — Director's Dealing 2021

May 24, 2021

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: AtriCure, Inc. (ATRC)
CIK: 0001323885
Period of Report: 2021-05-20

Reporting Person: Austin Tonya (Chief Human Resources Officer)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	37712	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Non-qualified Stock Option (right to buy)	$9.25	2023-05-13	Common Stock (50000)		Direct
Non-qualified Stock Option (right to buy)	$21.04	2024-01-24	Common Stock (10000)		Direct

Footnotes

F1: Includes 9,948 shares of unvested restricted stock awarded under the AtriCure, Inc. 2014 Equity Incentive Plan. One third of the shares vest annually upon the respective one, two and three year anniversaries of the date of grant. Includes 1,663 shares acquired under the AtriCure, Inc. Employee Stock Purchase Plan.

F2: These options were granted on May 13, 2013 and vest at a rate of 25% on the first anniversary date of the grant and ratably each month thereafter over the following three years.

F3: These options were granted on January 24, 2014 and vest at a rate of 25% on the first anniversary date of the grant and ratably each month thereafter over the following three years.