SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Taylor Stephen Charles

(Last) (First) (Middle)
508 WEST WALL STREET, SUITE 550

(Street)
MIDLAND TX 79701

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
NATURAL GAS SERVICES GROUP INC [ NGS ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
X Officer (give title below) Other (specify below)
President and CEO
3. Date of Earliest Transaction (Month/Day/Year)
01/06/2016
4. If Amendment, Date of 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
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 01/06/2016 A 75,915(1) A $22.13 332,543(2) D
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 Securities Underlying Derivative Security (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: 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
Nonstatutory Stock Option (right to buy) $14.22 11/21/2007 11/21/2016 Common Stock 15,000 15,000 D
Employee Stock Option (right to buy) $20.06 01/15/2009 01/15/2018 Common Stock 40,000 40,000 D
Employee Stock Option (right to buy) $17.51 09/10/2009 09/10/2018 Common Stock 25,000 25,000 D
Employee Stock Option (right to buy) $9.95 01/28/2010 01/28/2019 Common Stock 30,000 30,000 D
Employee Stock Option (right to buy) $7.84 03/17/2010 03/16/2019 Common Stock 23,852 23,852 D
Employee Stock Option (right to buy) $19.9 01/18/2011 01/17/2020 Common Stock 30,000 30,000 D
Explanation of Responses:
1. The acquisition of the 75,915 shares of common stock reflects an award of restricted stock on January 6, 2016, pursuant to the Company's 2009 Restricted Stock/Unit Plan. The award vests two years from the grant date subject to the participant's continued employment with the Company and subject to accelerated vesting upon the death, disability or retirement of the participant, or upon a change in control of the Company.
2. In addition to the acquisition reported in this Form 4, the amount of shares beneficially owned in column 5 of Table I has been increased by 11,744 shares in order to correct an inadvertent balance carryforward error initially made in a previous Form 4 filing in April 2015. The error only affected column 5 of Table I; there were no errors to the transaction amounts reported in previous Form 4 filings.
Remarks:
/s/ Stephen C. Taylor 01/08/2016
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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