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

Role: Chief Human Resources Officer
Signature: /s/ Tonya Austin
Issuer symbol: ATRC
Transactions as of: 20 May 2021
Net transactions value: $0
Form type: 3
Filing time: 24 May 2021, 17:11:30 UTC
Next filing: 21 Jun 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ATRC	Common Stock						37,712	20 May 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)							20 May 2021	Common Stock	50,000	$9.25	Direct	F2
holding	ATRC	Non-qualified Stock Option (right to buy)							20 May 2021	Common Stock	10,000	$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.