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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1. Name and Address of Reporting Person * Smith Bradley Scott   2. Issuer Name and Ticker or Trading Symbol Paycom Software, Inc. [PAYC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Information Officer (Last) (First) (Middle) 7501 W. MEMORIAL ROAD 3. Date of Earliest Transaction (Month/Day/Year) 09/24/2018 (Street) OKLAHOMA CITY, OK 73142 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 08/07/2018   G V 1,134 (1) D $ 0 22,194 (2) D   Common Stock 08/07/2018   G V 1,134 (1) A $ 0 30,794 I By Bradley Scott Smith Revocable Trust, dated October 30, 2017 (3) Common Stock 09/24/2018   S   100 (4) D $ 151.04 30,694 I By Bradley Scott Smith Revocable Trust, dated October 30, 2017 (3) Common Stock 09/24/2018   S   200 (4) D $ 152.855 (5) 30,494 I By Bradley Scott Smith Revocable Trust, dated October 30, 2017 (3) Common Stock 09/24/2018   S   1,097 (4) D $ 154.4153 (6) 29,397 I By Bradley Scott Smith Revocable Trust, dated October 30, 2017 (3) Common Stock 09/24/2018   S   3,803 (4) D $ 155.0187 (7) 25,594 I By Bradley Scott Smith Revocable Trust, dated October 30, 2017 (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
Smith Bradley Scott 7501 W. MEMORIAL ROAD OKLAHOMA CITY, OK 73142			Chief Information Officer

Signatures

/s/ Bradley Scott Smith		09/25/2018
**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 reporting person transferred these shares pursuant to a gift to Bradley Scott Smith Revocable Trust, dated October 30, 2017 (the "Bradley Scott Smith Revocable Trust"). See footnote (3) below for additional information regarding the Bradley Scott Smith Revocable Trust.
(2)	Includes 21,592 unvested shares of restricted stock.
(3)	The Bradley Scott Smith Revocable Trust is a revocable trust for the benefit of the reporting person, his spouse, and his children. The reporting person is the trustor and, with his spouse, a co-trustee of the Bradley Scott Smith Revocable Trust. Accordingly, the reporting person reports beneficial ownership of all of the shares of Paycom Software, Inc.'s (the "Issuer") common stock held by the Bradley Scott Smith Revocable Trust but disclaims beneficial ownership except to the extent of his and his spouse's pecuniary interest therein.
(4)	The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 24, 2018.
(5)	The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $152.37 to $153.34, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission (the "SEC"), upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(6)	The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $153.66 to $154.63, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
(7)	The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $154.675 to $155.50, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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