X0306 4 2018-04-04 0 0000867665 ABRAXAS PETROLEUM CORP AXAS 0001126089 WALLACE WILLIAM H 18803 MEISNER DRIVE SAN ANTONIO TX 78258 0 1 0 0 VP Operations Abraxas Petroleum Common Stock 2018-04-01 4 A 0 28539 2.19 A 285349 D Abraxas Petroleum Common Stock 2018-03-31 4 P 0 7274 2.20 A 35530 I 401-K Performance-based Restricted Stock Unit 0 2018-04-01 4 M 0 28539 0 A Abraxas Petroleum Common Stock 28539 28539 D Employee Stock Option 0.97 2017-03-15 2026-03-15 Abraxas Petroleum Common Stock 197000 197000 D Employee Stock Option 3.16 2016-03-03 2025-03-03 Abraxas Petroleum Common Stock 200000 200000 D Employee Stock Option 3.15 2015-03-11 2024-03-11 Abraxas Petroleum Common Stock 25000 25000 D Employe Stock Option 2.39 2014-05-14 2023-05-14 Abraxas Petroleum Common Stock 23500 23500 D Employee Stock Option 3.74 2013-03-08 2022-03-08 Abraxas Petroleum Common Stockk 11300 11300 D Employee Stock Option 4.72 2012-03-15 2021-03-15 Abraxas Petroleum Common Stock 30000 30000 D Employee Stock Option 2.09 2011-03-16 2020-03-16 Abraxas Common Stock 60000 60000 D Employee Stock Option 1.75 2010-10-05 2019-10-05 Abraxas Petroleum Common Stockk 66937 66937 D Employee Stock Option .99 2010-03-17 2019-03-17 Abraxas Petroleum Common Stockk 50000 50000 D Employee Stock Option 3.60 2011-08-28 2017-08-28 Abraxas Petroleum Common Stockk 18920 18920 D 401-K shares acquired as a result of Abraxas Petroleum Corporations safe harbor match for calendar year 2015. 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 RSU is contingent upon the achievement of pre-established performance metrics, as approved by the Company's Compensation Committee, over a three year period beginning April 1, 2018 and ending April 1, 2021. Unless earlier forfeited under the terms of the performance-based RSUs, each performance based vest and converts into no more than 200% of one share of Abraxas Petroleum common stock. William H. Wallace 2018-04-04