X0306 4/A 2019-12-30 2020-01-02 0001595248 Genprex, Inc. GNPX 0001432527 Pearson Robert W. 1601 TRINITY STREET BLDG B, STE 3.322 AUSTIN TX 78712 1 Stock Option (Right to Buy) 1.45 2019-12-30 4 A 0 68376 0 A 2020-06-10 2029-12-30 Common Stock 68376 68376 D Equal to the fair market value of a share of common stock on June 10, 2019, the date on which the option grant was to be made under the Genprex, Inc. Outside Director Compensation Policy. One hundred percent (100%) of the Shares subject to the Option shall vest upon the earlier of (a) the one (1) year anniversary of June 10, 2019 and (b) the day prior to the Company's next annual meeting of the Company's stockholders occurring after the grant date, provided that the Optionee continues to serve as a Service Provider (as defined in the Genprex, Inc. 2018 Equity Incentive Plan) through the applicable vesting date. This Form 4 amendment is being filed to reflect that on March 18, 2020, the Option was amended to provide that one hundred percent (100%) of the Shares subject to the Option became exercisable on March 18, 2020. /s/ Robert W. Pearson 2020-03-20