Schedule 13G
OMB APPROVAL

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  3235-0145

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

SCHEDULE 13G

 

Under the Securities Exchange Act of 1934

(Amendment No.         )*

 

 

 

 

PROS Holdings, Inc.

(Name of Issuer)

 

 

Common Stock

(Title of Class of Securities)

 

 

74346Y 10 3

(CUSIP Number)

 

 

12/31/07

(Date of Event Which Requires Filing of this Statement)

This schedule is being filed pursuant to Rule 13d-1 (d)

 

*   The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

Page 1


CUSIP No.   74346Y 10 3    13G    Page 2

 

  1  

NAME OF REPORTING PERSON

S.S. OR I.R.S IDENTIFICATION NO. OF ABOVE PERSON

 

TA/Advent VIII L.P.                                                                      04-3334380

Advent Atlantic and Pacific III L.P.                                               04-3299318

TA Executives Fund LLC                                                              04-3398534

TA Investors LLC                                                                          04-3395404

   
  2  

CHECK THE BOX IF A MEMBER OF A GROUP*

(a)  x

(b)  ¨

   
  3  

SEC USE ONLY

 

   
  4  

CITIZENSHIP OR PLACE OF ORGANIZATION

 

TA/Advent VIII L.P.                                                                     Delaware

Advent Atlantic and Pacific III L.P.                                             Delaware

TA Executives Fund LLC                                                             Delaware

TA Investors LLC                                                                         Delaware

   

 

NUMBER OF  

SHARES  

BENEFICIALLY  

OWNED BY  

EACH  

REPORTING  

PERSON  

WITH  

 

 

  5    SOLE VOTING POWER

 

        TA/Advent VIII L.P.                                      3,236,424

        Advent Atlantic and Pacific III L.P.                            0

        TA Executives Fund LLC                                   59,520

        TA Investors LLC                                                64,727

 

  6    SHARED VOTING POWER

 

        N/A

 

 

  7    SOLE DISPOSITIVE POWER

 

        TA/Advent VIII L.P.                                   3,236,424

        Advent Atlantic and Pacific III L.P.                          0

        TA Executives Fund LLC                                59,520

        TA Investors LLC                                             64,727

 

  8    SHARED DISPOSITIVE POWER

 

        N/A

  9  

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 

TA/Advent VIII L.P.                                                              3,236,424

Advent Atlantic and Pacific III L.P.                                                     0

TA Executives Fund LLC                                                           59,520

TA Investors LLC                                                                       64,727

   
10  

CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

 

 

   
11  

PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 

TA/Advent VIII L.P.                                                                  12.41%

Advent Atlantic and Pacific III L.P.                                             0.00%

TA Executives Fund LLC                                                            0.23%

TA Investors LLC                                                                        0.25%

   
12  

TYPE OF REPORTING PERSON

 

Two Limited Partnerships

Two Limited Liability Corporations

   

SEE INSTRUCTION BEFORE FILLING OUT!


Attachment to Form 13G   Page 3

 

Item 1  

(a)

   Name of Issuer:      
     PROS Holdings, Inc.      
Item 1  

(b)

   Address of Issuer’s Principal Executive Offices:      
    

3100 Main Street, Suite 900

Houston, TX 77002

     
Item 2  

(a)

   Name of Person Filing:      
    

TA/Advent VIII L.P.

Advent Atlantic and Pacific III L.P.

TA Executives Fund LLC

TA Investors LLC

     
Item 2  

(b)

   Address of Principal Business Office:      
    

c/o TA Associates

John Hancock Tower

200 Clarendon Street, 56th Floor

Boston, MA 02116

     
Item 2  

(c)

   Citizenship:      
     Not Applicable      
Item 2  

(d)

   Title and Class of Securities:      
     Common      
Item 2  

(e)

   CUSIP Number:      
     74346Y 10 3      
Item 3   If this statement is filed pursuant to Rules 13d-1 (b) or 13d-2 (b), check whether the person filing is a:   
  Not Applicable   


Item 4    Ownership        
Item 4    (a)    Amount Beneficially Owned:    Common Stock       
      TA/Advent VIII L.P.    3,236,424       
      Advent Atlantic and Pacific III L.P.    0       
      TA Executives Fund LLC    59,520       
      TA Investors LLC    64,727       
Item 4    (b)    Percent of Class    Percentage       
      TA/Advent VIII L.P.    12.41 %     
      Advent Atlantic and Pacific III L.P.    0.00 %     
      TA Executives Fund LLC    0.23 %     
      TA Investors LLC    0.25 %     
Item 4    (c)    Number of shares as to which such person has:        
      (i)    sole power to vote or direct the vote:    Common Stock       
         TA/Advent VIII L.P.    3,236,424       
         Advent Atlantic and Pacific III L.P.    0       
         TA Executives Fund LLC    59,520       
         TA Investors LLC    64,727       
      (ii)    shared power to vote or direct the vote:        
         N/A        
      (iii)    sole power to dispose or direct the disposition:    Common Stock       
         TA/Advent VIII L.P.    3,236,424       
         Advent Atlantic and Pacific III L.P.    0       
         TA Executives Fund LLC    59,520       
         TA Investors LLC    64,727       
      (iv)    shared power to dispose or direct the disposition        
         N/A        
Item 5    Ownership of Five Percent or Less of a Class:   
   Not Applicable   
Item 6    Ownership of More than Five Percent on Behalf of Another Person:        
   Not Applicable        
Item 7    Identification and Classification of the subsidiary that acquired the Security being reported on by the Parent Holding Company:
   Not Applicable
Item 8    Identification and Classification of Members of the Group:        
   This schedule 13G is filed pursuant to Rule 13d-1 (d). For the agreement of the TA group members to a joint filing, see below.
Item 9    Notice of Dissolution of Group:        
   Not Applicable        
Item 10    Certification:        
   Not Applicable        


SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Agreement for Joint Filing

TA/Advent VIII L.P., Advent Atlantic and Pacific III L.P., TA Executives Fund LLC, and TA Investors LLC, hereby agree that TA Associates shall file with the Securities and Exchange Commission a joint schedule 13G on behalf of the above-named parties concerning their beneficial ownership of PROS Holdings, Inc.

Dated: February 14, 2008

 

TA/Advent VIII L.P.
By:   TA Associates VIII LLC., its General Partner
By:   TA Associates, Inc., its Manager
By:  

/s/ Thomas P. Alber

  Thomas P. Alber, Chief Financial Officer
Advent Atlantic and Pacific III L.P.
By:   TA Associates AAP III Partners L.P., its General Partner
By:   TA Associates, Inc., its General Partner
By:  

/s/ Thomas P. Alber

  Thomas P. Alber, Chief Financial Officer
TA Executives Fund LLC
By:   TA Associates, Inc., its Manager
By:  

/s/ Thomas P. Alber

  Thomas P. Alber, Chief Financial Officer
TA Investors LLC
By:   TA Associates, Inc., its Manager
By:  

/s/ Thomas P. Alber

  Thomas P. Alber, Chief Financial Officer