AtriCure, Inc. — Director's Dealing 2021

May 5, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AtriCure, Inc. (ATRC)
CIK: 0001323885
Period of Report: 2021-05-03

Reporting Person: WEHRWEIN SVEN (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-03	Common Stock	S	5000	$77.75	Disposed	12686	Direct
2021-05-03	Common Stock	M	5000	$19.95	Acquired	17686	Direct
2021-05-03	Common Stock	S	5000	$78.19	Disposed	12686	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-03	Stock Option (Right to Buy)	$19.95	M	5000	Disposed	2026-11-11	Common Stock (5000)	Direct

Footnotes

F1: This transaction was executed in multiple trades at prices ranging from $77.50 to $78.00 per share. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F2: This transaction was executed in multiple trades at prices ranging from $78.07 to $78.57 per share. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3: These options were granted on November 11, 2016. The options vest and are exercisable as to 25% of the shares one year from the date of grant and the remaining 75% thereafter vests and are exercisable in equal monthly installments on the same day of the month over the following three years.