144 0001705427 XXXXXXXX LIVE 0001690334 SEACOR Marine Holdings Inc. 12121 Wickchester Lane Suite 500 Houston TX 77079 346-980-1700 Jesus Llorca Officer Common stock Merrill Lynch 2100 Ross Ave Suite 1000 Dallas TX 75201 309925 6052529 27060000 06/22/2026 NYSE Common stock Merrill Lynch 2100 Ross Ave Suite 1000 Dallas TX 75201 0 0 0 06/22/2026 NYSE Common stock 03/11/2022 Employment related - restricted stock award SEACOR Marine Holdings Inc. N 27293 06/23/2026 Compensatory payment Common stock 03/08/2023 Employment related - restricted stock award SEACOR Marine Holdings Inc. N 60627 06/23/2026 Compensatory payment Common stock 03/04/2024 Employment related - restricted stock award SEACOR Marine Holdings Inc. N 72553 06/23/2026 Compensatory payment Common stock 03/12/2024 Employment related - restricted stock award SEACOR Marine Holdings Inc. N 16745 06/23/2026 Compensatory payment Common stock 06/09/2020 Employment related - restricted stock award SEACOR Marine Holdings Inc. N 18750 06/23/2026 Compensatory payment Common stock 03/05/2020 Employment related - Nonqualified stock option SEACOR Marine Holdings Inc. N 6250 06/23/2026 Compensatory payment Common stock 12/16/2019 Employment related - Nonqualified stock option SEACOR Marine Holdings Inc. N 6250 06/23/2026 Compensatory payment Common stock 09/15/2019 Employment related - Nonqualified stock option SEACOR Marine Holdings Inc. N 6250 06/23/2026 Compensatory payment Common stock 06/17/2019 Employment related - Nonqualified stock option SEACOR Marine Holdings Inc. N 6250 06/23/2026 Compensatory payment Common stock 04/16/2019 Employment related - Nonqualified stock option SEACOR Marine Holdings Inc. N 6250 06/23/2026 Compensatory payment Common stock 12/31/2018 Employment related - Nonqualified stock option SEACOR Marine Holdings Inc. N 6250 06/23/2026 Compensatory payment Common stock 10/01/2018 Employment related - Nonqualified stock option SEACOR Marine Holdings Inc. N 3250 06/23/2026 Compensatory payment Common stock 07/02/2018 Employment related - Nonqualified stock option SEACOR Marine Holdings Inc. N 3250 06/23/2026 Compensatory payment Common stock 04/24/2018 Employment related - Nonqualified stock option SEACOR Marine Holdings Inc. N 6250 06/23/2026 Compensatory payment Common stock 06/09/2020 Employment related - Nonqualified stock option SEACOR Marine Holdings Inc. N 18750 06/23/2026 Compensatory payment Y This is the initial Form144 for Jesus Llorca's 10b51 plan that will end on 06/15/2027. 06/22/2026 Jesus Llorca