Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  MCGIMPSEY THOMAS O
2. Date of Event Requiring Statement (Month/Day/Year)
10/26/2011
3. Issuer Name and Ticker or Trading Symbol
ADVANCED ENERGY INDUSTRIES INC [AEIS]
(Last)
(First)
(Middle)
1625 SHARP POINT DRIVE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP Gen Counsel & Corp Sec
5. If Amendment, Date Original Filed(Month/Day/Year)
08/08/2011
(Street)

FORT COLLINS, CO 80525
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 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 8,669 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
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
Employee Stock Option (right to buy) 04/24/2010 04/24/2019 Common Stock 5,250 (2) $ 7.95 D  
Employee Stock Option (right to buy) 07/21/2010 07/21/2019 Common Stock 5,250 (2) $ 11.21 D  
Employee Stock Option (right to buy) 10/27/2010 10/27/2019 Common Stock 5,250 (2) $ 12.77 D  
Employee Stock Option (right to buy) 02/16/2011 02/16/2020 Common Stock 10,500 (2) $ 15.65 D  
Employee Stock Option (right to buy) 04/20/2011 04/20/2020 Common Stock 5,250 (2) $ 16.25 D  
Employee Stock Option (right to buy) 07/20/2011 07/20/2020 Common Stock 5,250 (2) $ 13.85 D  
Employee Stock Option (right to buy) 10/26/2011 10/26/2020 Common Stock 5,250 (2) $ 14.5 D  
Employee Stock Option (right to buy) 02/15/2012 02/15/2021 Common Stock 6,250 (2) $ 14.52 D  
Employee Stock Option (right to buy) 04/28/2012 04/28/2021 Common Stock 6,250 (2) $ 14.21 D  
Employee Stock Option (right to buy) 07/22/2012 07/22/2021 Common Stock 6,250 (2) $ 12.44 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
MCGIMPSEY THOMAS O
1625 SHARP POINT DRIVE
FORT COLLINS, CO 80525
      EVP Gen Counsel & Corp Sec  

Signatures

/s/ Thomas O. McGimpsey 10/26/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Represents 8,451 shares of Restricted Stock units (RSUs) and 218 shares of Employee Stock Purchase Plan Shares. The RSUs vest in four equal annual installments beginning on the first anniversary of the grant date. Mr. McGimpsey has been granted the following: 4/24/2009 750 shares, 7/21/2009 750 shares, 10/27/2009 750 shares, 2/16/2010 1,500 shares, 4/20/2010 750 shares, 7/20/2010 750 shares, 10/26/2010 750 shares, 2/15/2011 1,000 shares, 4/28/2011 1,000 shares, and 7/22/2011 1,000 shares. As of 8/8/2011, 1,135 shares of the RSUs are sellable.
(2) Represents Employee Stock Options granted (right to buy). Each grant will vest in four equal installments beginning on the anniversary of the grant date.

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