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 *
Welsh, Carson, Anderson & Stowe X, L.P.
  2. Issuer Name and Ticker or Trading Symbol
Paycom Software, Inc. [PAYC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O WELSH, CARSON, ANDERSON & STOWE, 320 PARK AVENUE, SUITE 2500
3. Date of Earliest Transaction (Month/Day/Year)
11/18/2015
(Street)

NEW YORK, NY 10022
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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 11/18/2015   S   2,731,638 D $ 41.75 5,644,975 D (1) (2) (3)  

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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Welsh, Carson, Anderson & Stowe X, L.P.
C/O WELSH, CARSON, ANDERSON & STOWE
320 PARK AVENUE, SUITE 2500
NEW YORK, NY 10022
    X    
WELSH PATRICK J
C/O WELSH, CARSON, ANDERSON & STOWE
320 PARK AVENUE, SUITE 2500
NEW YORK, NY 10022
    X    
CARSON RUSSELL L
C/O WELSH, CARSON, ANDERSON AND STOWE
320 PARK AVENUE, SUITE 2500
NEW YORK, NY 10022
    X    
ANDERSON BRUCE K
C/O WELSH, CARSON, ANDERSON & STOWE
320 PARK AVENUE, SUITE 2500
NEW YORK, NY 10022
    X    
MINICUCCI ROBERT A
C/O WELSH, CARSON, ANDERSON & STOWE
320 PARK AVENUE, SUITE 2500
NEW YORK, NY 10022
  X   X    
DENICOLA ANTHONY J
C/O WELSH, CARSON, ANDERSON & STOWE
320 PARK AVENUE, SUITE 2500
NEW YORK, NY 10022
    X    
Queally Paul B.
C/O WELSH, CARSON, ANDERSON & STOWE
320 PARK AVENUE, SUITE 2500
NEW YORK, NY 10022
    X    
SWANI SANJAY
C/O WELSH, CARSON, ANDERSON AND STOWE
320 PARK AVENUE, SUITE 2500
NEW YORK, NY 10022
  X   X    

Signatures

 /s/ David Mintz, Attorney-in-Fact   11/18/2015
**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 securities reported as directly beneficially owned by the designated Reporting Person may be deemed to be indirectly beneficially owned by each of the Reporting Owners listed below, each of whom is a managing member of the sole general partner of the designated Reporting Person. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by the designated Reporting Person, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him.
(2) Each Reporting Owner listed below also indirectly beneficially owns 59,986 shares of Common Stock held by WCAS Capital Partners IV, L.P. Such individuals are managing members of the sole general partner of WCAS Capital Partners IV, L.P. Pursuant to Instruction 4(b)(iv) of Form 4, each such individual has elected to report as indirectly beneficially owned the entire number of securities owned by such entity, however each of them disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him.
(3) Each Reporting Owner listed below also directly beneficially owns the following shares of Common Stock: Patrick J. Welsh - 215,270; Russell L. Carson - 179,801; Bruce K. Anderson - 215,270; Robert A. Minicucci - 303,551; Anthony J. deNicola - 443,410 (also indirectly beneficially owns 71,877 shares held by deNicola Holdings II LLC, but disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein); Paul B. Queally - 421,846 (also indirectly beneficially owns 93,441 shares held by The Queally Family LLC, but disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein) ; Sanjay Swani - 221,036 (also indirectly beneficially owns 50,134 shares held by The Swani Family LLC, but disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein); Michael E. Donovan- 40,740; Tony F. Ecock - 22,619; Brian T. Regan -8,771; and Christopher W. Solomon - 3,089.
 
Remarks:
Remarks:
Form 1 of 2

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