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 *
Clarke Tod A
   2. Issuer Name and Ticker or Trading Symbol
ABRAXAS PETROLEUM CORP [AXAS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President - Land
(Last)
(First)
(Middle)
18803 MEISNER DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
04/04/2018
(Street)

SAN ANTONIO, TX 78258		 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
Abraxas Petroleum Common Stock 04/01/2018   A   27,397 A $ 2.19 121,476 D  
Abraxas Petroleum Common Stock 03/31/2018(1)   P   4,729 (1) A $ 2.2 28,409 I 401-K

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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
Performance-based Restricted Stock Unit $ 0 (2) 04/01/2018   M   27,397     (3)   (3) Abraxas Petroleum Common Stock (3) 27,397 $ 0 27,397 D  
Employee Stock Option $ 3.15             03/11/2015(4) 03/11/2024 Abraxas Petroleum Common Stock 18,000   18,000 D  
Employee Stock Options $ 0.97             03/15/2017(4) 03/17/2026 Abraxas Petroleum Common Stock 64,000   64,000 D  
Employee Stock Option $ 3.74             03/08/2013(4) 03/08/2022 Abraxas Petroleum Common Stock 5,000   5,000 D  
Employee Stock Option $ 4.72             03/15/2012(4) 03/15/2021 Abraxas Petroleum Common Stock 10,000   10,000 D  
Employee Stock Option $ 2.09             03/16/2011(4) 03/16/2020 Abraxas Petroleum Common Stock 13,300   13,300 D  
Employee Stock Option $ 0.99             03/17/2010(4) 03/17/2019 Abraxas Petroleum Common Stock 5,000   5,000 D  
Employee Stock Option $ 2.39             05/14/2014(4) 05/14/2023 Abraxas Petroleum Common Stock 17,300   17,300 D  
Employee Stock Option $ 3.55             08/09/2012(4) 08/09/2021 Abraxas Petroleum Common Stock 25,000   25,000 D  
Employee Stock Option $ 1.75             10/05/2010(4) 10/05/2019 Abraxas Petroleum Common Stock 20,775   20,775 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Clarke Tod A
18803 MEISNER DRIVE
SAN ANTONIO, TX 78258		       Vice President - Land  

Signatures

 Tod A. Clarke   04/04/2018
**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) Employer match to 401-K for the year ended December 31, 2017.
(2) Each performance-based restricted stock unit (RSU) represents the right to receive, following vesting, up to 200% of one share of Abraxas Petroleum common stock. The resulting number of shares of Abraxas Petroleum common stock acquired upon vesting of the performance-based RSUs is contingent upon the achievement of of pre-established performance metrics, as approved by the Company's Compensation Committee, over a three-year performance period beginning on April 1, 2018 and ending on April 1, 2021.
(3) Unless earlier forfeited under the terms of the terms of the Performance-based RSU, each performance-based RSU vest and converts into no more than 200% of of one share of Abraxas Petroleum common stock three years after the grant date.
(4) Options vest 25% per year from the grant date.

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