AtriCure, Inc. — Director's Dealing 2019

May 2, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AtriCure, Inc. (ATRC)
CIK: 0001323885
Period of Report: 2019-04-30

Reporting Person: Noznesky Justin J (SVP, Mktg & Business Develop)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-04-30	Common Stock	M	15000	$18.30	Acquired	119068	Direct
2019-04-30	Common Stock	S	15000	$30.00	Disposed	104068	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-04-30	Stock Option (right to buy)	$18.30	M	15000	Disposed	2024-01-06	Common Stock (15000)	Direct

Footnotes

F1: These shares were exercised pursuant to a 10b5-1 trading plan.

F2: These shares were sold pursuant to a 10b5-1 trading plan.

F3: This transaction was executed in multiple trades at prices ranging from $30.00 to $30.04 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.

F4: These options were granted on January 6, 2014 and are exercisable as to 25% of the shares one year from the date of grant, and the remaining 75% thereafter vests and is exercisable in equal monthly installments on the same day of the month over the following three years.