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 *
Woestemeyer Mariette M
   2. Issuer Name and Ticker or Trading Symbol
PROS Holdings, Inc. [PRO] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
3100 MAIN STREET, SUITE 900		 3. Date of Earliest Transaction (Month/Day/Year)
01/01/2013
(Street)

HOUSTON, TX 77002		 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 01/01/2013   M   6,000 A $ 18.29 (1) 4,319,443 (2) (3) I Held jointly with spouse Ronald F. Woestemeyer

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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
Restricted Stock Units (4) 01/01/2013   M     6,000   (5)   (5) Common Stock 6,000 $ 0 7,151 (6) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Woestemeyer Mariette M
3100 MAIN STREET
SUITE 900
HOUSTON, TX 77002		   X   X    

Signatures

 J. Scott McClendon, Attorney-In-Fact for Mariette M. Woestemeyer   01/03/2013
**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) The price represents the price of PROS Holdings, Inc. common stock at the close of market on December 31, 2012.
(2) Consists of (i) 1,000,476 shares held of record by Ronald F. Woestemeyer and Mariette Woestemeyer, (ii) 647,238 shares held of record by Ronald Woestemeyer 2009 GRAT, of which Deutsche Bank Trust Company Delaware and Mr. Woestemeyer are the co-trustees, (iii) 651,729 shares held of record by Mariette Woestemeyer 2009 GRAT of which Deutsche Bank Trust Company Delaware and Mrs. Woestemeyer are the co-trustee, (iv) 1,000,000 shares held of record by The Woestemeyer 1999 Gift Trust, of which Deutsche Bank Trust Company Delaware is sole trustee (v) 476,002 shares held of record by MAROKA, LLC, of which Mr. and Mrs. Woestemeyer are the sole managers, (vi) 500,000 shares held of record by the Mariette Woestemeyer 2010 GRAT of which Deutsche Bank Trust Company Delaware is the sole trustee, and (vii) 43,998 shares held of record by the Ronald and Mariette Woestemeyer 2007 IDGT of which Deutsche Bank Trust Company Delaware is the sole trustee.
(3) Mrs. Woestemeyer disclaims beneficial ownership of the shares held of record by Ronald F. Woestemeyer 2009 GRAT and Woestemeyer 1999 Gift Trust.
(4) Each restricted stock unit represents the contingent right to receive one share of PROS Holdings, Inc. common stock.
(5) This restricted stock unit grant was awarded on November 17, 2011 in the amount of 6,000 restricted stock units which fully vested on January 1, 2013.
(6) Includes 7,151 restricted stock units awarded on November 15, 2012 which fully vest on January 1, 2014.

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