X0508 4 2023-07-14 0 0001746473 PLIANT THERAPEUTICS, INC. PLRX 0001809204 Cummings Keith Lamont C/O PLIANT THERAPEUTICS, INC. 260 LITTLEFIELD AVENUE SOUTH SAN FRANCISCO CA 94080 0 1 0 0 Chief Financial Officer 0 Common Stock 2023-07-14 4 A 0 38750 0.00 A 223770 D On July 28, 2022, the Reporting Person was granted 77,500 performance-vested stock units, the vesting of which are subject to the achievement of various pre-established performance criteria. On July 14, 2023, the Compensation Committee of the Issuer's Board of Directors certified the achievement of an operational performance criteria, resulting in the vesting of 38,750 shares. /s/ Mike Ouimette, attorney-in-fact 2023-07-18