[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
Washington, D.C. 20549
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
1. Name and Address of Reporting Person * WENDEL STEPHEN T 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)
VP - Contracts and Marketing
(Last)          (First)          (Middle)
3. Date of Earliest Transaction (MM/DD/YYYY)
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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   4/1/2019     A    51306   A $1.34   436267   D    
Abraxas Petroleum Common Stock                  131423   I   401-K  

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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 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 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   $2.37                    4/2/2021   4/2/2021   Abraxas Petroleum Common Stock   28539     28539   D    
Employee Stock Option   $.97                    3/15/2017   3/15/2026   Abraxas Petroleum Common Stock   177000     177000   D    
Employee Stock Option   $3.16                    3/3/2016   3/3/2025   Abraxas Petroleum Common Stock   150000     150000   D    
Employee Stock Option   $3.15                    3/11/2015   3/11/2024   Abraxas Petroleum Common Stock   24000     24000   D    
Employee Stock Option   $2.39                    5/14/2014   5/14/2023   Abraxas Petroleum Common Stock   22300     22300   D    
Employee Stock Option   $3.74                    3/8/2013   3/8/2022   Abraxas Petroleum Common Stock   10400     10400   D    
Employee Stock Option   $4.72                    3/15/2012   3/15/2021   Abraxas Petroleum Common Stock   30000     30000   D    
Employee Stock Option   $2.09                    3/16/2014   3/16/2020   Abraxas Petroleum Common Stock   60000     60000   D    
Employee Stock Option   $1.75                    10/5/2010   10/5/2019   Abraxas Petroleum Common Stock   66937     66937   D    
Employee Stock Option   $3.60                    8/28/2011   8/28/2017   Abraxas Petroleum Common Stock   15330     15330   D    
Performance-based Restricted Stock Unit   $1.34   4/1/2019     M      51306   (1)        (2)   (2) Abraxas Petroleum Common Stock   51306   (1) $1.34   51306   D    

Explanation of Responses:
(1)  Each performance-based restricted share represents the right to receive, following vesting, up to 200% of one share of Abraxas Petroleum Corporation common stock. The resulting number of shares of common stock acquired upon vesting of the performance-based restricted shares is contingent upon achievement of pre-established performance metrics, as approved by the Company's Compensation Committee, over a three-year performance period beginning on April 1, 2019 and ending on April 1, 2022.
(2)  Unless earlier forfeited under the terms of the performance-based restricted shares, each performance-based share vest and converts into no more than 200% of one share.

Reporting Owners
Reporting Owner Name / Address
Director 10% Owner Officer Other

VP - Contracts and Marketing

Stephen T. Wendel 4/3/2019
** 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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