X0508 4 2026-03-07 0001690334 SEACOR Marine Holdings Inc. SMHI 0001728923 Everett Andrew H II C/O SEACOR MARINE HOLDINGS INC. 12121 WICKCHESTER LANE, SUITE 500 HOUSTON TX 77079 false true false false Sr. VP, General Counsel & Secy false Common Stock 2026-03-07 4 M false 3984 A 295633 D Common Stock 2026-03-07 4 F false 2038 7.31 D 293595 D Performance Restricted Stock Units 2026-03-07 4 M false 3984 0 D 2026-03-07 2026-03-07 Common Stock 3984 0 D Performance restricted stock units ("PRSUs") convert into shares of Common Stock on a one-for-one basis. On 3/7/23, the Reporting Person was granted 19,920 PRSUs ("2023 PRSUs") consisting of five equal tranches, each of which would be earned if and when the closing price of one share of Common Stock equals or exceeds the specified stock price performance goal for such tranche for 60 consecutive trading days during the three year performance period beginning on the grant date, provided that any earned PRSUs would not be settled until the third anniversary of the grant date, subject to satisfaction of the service-based vesting requirements set forth in the award agreement. The specified stock price performance goals for each tranche were $11.61, $13.21, $14.91, $16.62 and $18.22, respectively. The service-based vesting requirements and one of the specified stock price performance goals were satisfied during the performance period ending 3/7/26, and the shares of Common Stock were issued at such date with respect to one tranche of the 2023 PRSUs. The remaining 2023 PRSUs were forfeited. /s/ Andrew H. Everett II 2026-03-10