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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * York Jeffrey D.   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 Sales Officer (Last) (First) (Middle) 7501 W. MEMORIAL ROAD 3. Date of Earliest Transaction (Month/Day/Year) 10/01/2018 (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 10/01/2018   S(1)   17,194 D $ 151.0332 (2) 596,037 I By JCY Holdings, LP (3) Common Stock 10/01/2018   S(1)   5,118 D $ 152.1942 (4) 590,919 I By JCY Holdings, LP (3) Common Stock 10/01/2018   S(1)   19,340 D $ 153.1258 (5) 571,579 I By JCY Holdings, LP (3) Common Stock 10/01/2018   S(1)   5,792 D $ 154.108 (6) 565,787 I By JCY Holdings, LP (3) Common Stock 10/01/2018   S(1)   2,156 D $ 155.1477 (7) 563,631 I By JCY Holdings, LP (3) Common Stock 10/01/2018   S(1)   400 D $ 155.9538 (8) 563,231 I By JCY Holdings, LP (3) Common Stock               157,097 (9) D   Common Stock               22,000 I By York Charitable Remainder Unitrust (10)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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
York Jeffrey D. 7501 W. MEMORIAL ROAD OKLAHOMA CITY, OK 73142			Chief Sales Officer

Signatures

/s/ Jeffrey D. York		10/03/2018
**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 sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 11, 2017.
(2)	The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $150.58 to $151.53, inclusive. The reporting person undertakes to provide to Paycom Software, Inc. (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.
(3)	The general partner of JCY Holdings, LP ("JCY Holdings") is JCY General LLC ("JCY General") and the limited partners of JCY Holdings are the reporting person and his spouse. Each of the reporting person and his spouse owns 50% of the membership interests of JCY General.
(4)	The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $151.59 to $152.58, 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.
(5)	The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $152.61 to $153.60, 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.
(6)	The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $153.65 to $154.64, 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 $154.67 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.
(8)	The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $155.675 to $156.57, 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.
(9)	Includes 24,000 unvested shares of restricted stock.
(10)	The York Charitable Remainder Unitrust (the "Trust") is a charitable remainder trust of which the reporting person and his spouse are co-trustees and of which the reporting person and his spouse are beneficiaries. The reporting person continues to report beneficial ownership of all of the shares of the Issuer's common stock held by the Trust but disclaims beneficial ownership except to the extent of his and his spouse's pecuniary interest therein.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.