FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Dahlquist Karl S. 2. Date of Event Requiring Statement (MM/DD/YYYY)
5/20/2021 

3. Issuer Name and Ticker or Trading Symbol AtriCure, Inc. [ATRC]
(Last)       (First)       (Middle)
7555 INNOVATION WAY
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                          _____ 10% Owner
___X___ Officer (give title below)        _____ Other (specify below)
Chief Legal Officer /
(Street)
MASON, OH 45040      
(City)             (State)             (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

6. Individual or Joint/Group Filing(Check Applicable Line)_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock  15709 (1) D   

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:
(1)  Includes 14,814 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 895 shares acquired under the AtriCure, Inc. Employee Stock Purchase Plan.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Dahlquist Karl S.
7555 INNOVATION WAY
MASON, OH 45040


Chief Legal Officer

Signatures
/s/ Karl S. Dahlquist 5/24/2021
**Signature of Reporting Person Date
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