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 *
PIEKOS STANLEY D
   2. Issuer Name and Ticker or Trading Symbol
AUGUST TECHNOLOGY CORP [AUGT] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Financial Officer
(Last)
(First)
(Middle)
4900 WEST 78TH STREET		 3. Date of Earliest Transaction (Month/Day/Year)
08/30/2005
(Street)

BLOOMINGTON, MN 55435		 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 08/30/2005   M   45,870 A $ 4.36 45,870 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) $ 4.36 08/30/2005   M     45,870   (1) 04/07/2010 Common Stock 45,870 $ 0 68,805 D  
Stock Option (right to buy) $ 4.36               (2) 04/07/2010 Common Stock 325   325 D  
Stock Option (right to buy) $ 18.5             12/21/2004 10/24/2010 Common Stock 10,000   10,000 D  
Stock Option (right to buy) $ 18.45             02/06/2004 02/06/2014 Common Stock 5,632   5,632 D  
Stock Option (right to buy) $ 10.36               (3) 07/30/2014 Common Stock 10,000   10,000 D  
Stock Option (right to buy) $ 10.38               (4) 12/30/2014 Common Stock 35,000   35,000 D  
Stock Option (right to buy) $ 12.1             03/07/2005 03/07/2015 Common Stock 4,932   4,932 D  
Stock Option (right to buy) $ 12.74             07/21/2005 07/21/2015 Common Stock 1,013   1,013 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
PIEKOS STANLEY D
4900 WEST 78TH STREET
BLOOMINGTON, MN 55435		       Chief Financial Officer  

Signatures

 /s/ Robert K. Ranum as Agent for Stanley D. Piekos pursuant to Power of Attorney previoiusly filed   08/31/2005
**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 (114,675 shares) exercisable in five annual increments of 22,935 shares beginning on April 7, 2004.
(2) Original option (325 shares) exercisable in five annual increments of 65 shares beginning on April 7, 2004.
(3) Original option (10,000 shares) exercisable in five annual increments of 2,000 shares beginning July 30, 2004.
(4) Original option (35,000 shares) exercisable: 11,900 shares on December 30, 2004 and 11,550 shares on December 30, 2005 and December 30, 2006.

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