AtriCure, Inc. — Director's Dealing 2020

May 8, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AtriCure, Inc. (ATRC)
CIK: 0001323885
Period of Report: 2020-05-08

Reporting Person: CARREL MICHAEL H (Director, President, CEO, & Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-08	Common Stock	M	25000	$5.91	Acquired	539147	Direct
2020-05-08	Common Stock	S	25000	$45.00	Disposed	514147	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-08	Stock Option (Right to buy)	$5.91	M	25000	Disposed	2022-11-01	Common Stock (25000)	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: Options to purchase shares in 25,000 increments were granted on November 1, 2012 and vest at each Option Trigger Event. "Option Trigger Event" shall mean the volume adjusted weighted average closing price of the common stock of the Company as reported by NASDAQ (or any other exchange on which the common stock of the Company is listed) for 30 consecutive days equals or exceeds each of $10.00 per share, $12.50 per share, $15.00 per share, $17.50 per share, $20.00 per share, $25.00 per share, $30.00 per share, $35.00 per share and $40.00 per share.