Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
JOHNSTON RICHARD M
  2. Issuer Name and Ticker or Trading Symbol
AtriCure, Inc. [ATRC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
500 EAST PRATT STREET, SUITE 1200
3. Date of Earliest Transaction (Month/Day/Year)
05/21/2009
(Street)

BALTIMORE, MD 21202
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 05/21/2009   A   4,844 A $ 0 (1) 4,844 D  
Common Stock               969,225 I Held by Camden Partners Strategic Fund II-A, LP (2)
Common Stock               57,496 I Held by Camden Partners Strategic Fund II-B, LP (3)

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (Right to Buy) $ 2.58 05/21/2009   A   10,000   05/21/2010(4) 05/21/2019 Common Stock 10,000 (5) 10,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
JOHNSTON RICHARD M
500 EAST PRATT STREET, SUITE 1200
BALTIMORE, MD 21202
  X      

Signatures

 /s/ Julie A. Piton as Attorney-in-Fact for Richard M. Johnston   05/26/2009
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Restricted shares awarded pursuant to the AtriCure, Inc. 2005 Equity Incentive Plan for services as a director. The shares will cliff vest and be released on May 21, 2010.
(2) Mr. Johnston is a managing member of Camden Partners Holdings, LLC, which provides investment and management advisory services to Camden Partners Strategic Fund II-A, LP. Mr. Johnston disclaims beneficial ownership of the securities held by this entity, except as to his pecuniary interest therein.
(3) Mr. Johnston is a managing member of Camden Partners Holdings, LLC, which provides investment and management advisory services to Camden Partners Strategic Fund II-B, LP. Mr. Johnston disclaims beneficial ownership of the securities held by this entity, except as to his pecuniary interest therein.
(4) Exercisable cumulatively at a rate of 33.33% per annum commencing on the earlier of (i) the anniversary of the date of grant (May 21) and (ii) the date on which the Company's annual meeting of stockholders is held that year, provided Mr. Johnston is a director immediately prior to such annual meeting.
(5) Not applicable.

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