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 *
WRIGHT MICHAEL WILLIAM
   2. Issuer Name and Ticker or Trading Symbol
AUGUST TECHNOLOGY CORP [AUGT] 		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)
3500 LYMAN BLVD.		 3. Date of Earliest Transaction (Month/Day/Year)
04/19/2005
(Street)

CHASKA, MN 55318		 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 04/19/2005   M   851 A $ 4.7 851 D  
Common Stock 04/19/2005   M   842 A $ 4.75 1.693 D  
Common Stock 04/19/2005   M   5,978 A $ 5.11 7,671 D  
Common Stock 04/19/2005   M   917 A $ 4.36 8,588 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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) $ 9.27               (1) 03/10/2007 Common Stock 0   14,800 D  
Stock Option (righth to buy) $ 13.375             01/05/2001 01/05/2008 Common Stock 0   7,500 D  
Stock Option (right to buy) $ 10             01/08/2002 01/08/2009 Common Stock 0   7,500 D  
Stock Option (right to buy) $ 14.24             04/05/2002 04/05/2009 Common Stock 0   211 D  
Stock Option (right to buy) $ 4.7 04/19/2005   M     851 07/18/2002 07/18/2009 Common Stock 851 $ 0 0 D  
Stock Option (right to buy) $ 4.75 04/19/2005   M     842 10/25/2002 10/25/2009 Common Stock 842 $ 0 0 D  
Stock Option (right to buy) $ 5.11 04/19/2005   M     978 01/08/2003 01/08/2010 Common Stock 978 $ 0 0 D  
Stock Option (right to buy) $ 5.11 04/19/2005   M     5,000 01/08/2003 01/08/2010 Common Stock 5,000 $ 0 0 D  
Stock Option (right to buy) $ 4.36 04/19/2005   M     917 04/07/2003 04/07/2010 Common Stock 917 $ 0 0 D  
Stock Option (right to buy) $ 22.65             01/08/2004 01/08/2011 Common Stock 0   5,927 D  
Stock Option (right to buy) $ 8.8             01/07/2005 01/07/2012 Common Stock 0   6,500 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
WRIGHT MICHAEL WILLIAM
3500 LYMAN BLVD.
CHASKA, MN 55318		   X      

Signatures

 Robert K. Ranum as Agent for Michael W. Wright pursuant to Power of Attorney previously filed.   04/20/2005
**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) Original option (22,500 shares) exercisable in three annual increments of 7,500 shares beginning March 10, 2000.

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