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 *
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.
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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
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.

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