Tonya Austin - May 20, 2021 Form 3 Insider Report for AtriCure, Inc. (ATRC)

Role: Chief Human Resources Officer
Signature: /s/ Tonya Austin
Stock symbol: ATRC
Transactions as of: May 20, 2021
Transactions value $: $0
Form type: 3
Date filed: 5/24/2021, 05:11 PM
Next filing: Jun 21, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ATRC	Common Stock						37.7K	May 20, 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	ATRC	Non-qualified Stock Option (right to buy)							May 20, 2021	Common Stock	50K	$9.25	Direct	F2
holding	ATRC	Non-qualified Stock Option (right to buy)							May 20, 2021	Common Stock	10K	$21.04	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.