X0202 SCHEDULE 13G/A 0002042077-25-000020 0002042077 XXXXXXXX LIVE 1 Common Stock, $0.01 Par Value Per Share 03/31/2026 0001690334 SEACOR Marine Holdings Inc. 78413P101 12121 WICKCHESTER LANE SUITE 500 HOUSTON TX 77079 Rule 13d-1(c) Chernett Jorey DE 1876963.00 0.00 1876963.00 0.00 1876963.00 N 6.9 IN SEACOR Marine Holdings Inc. 12121 WICKCHESTER LANE, SUITE 500, HOUSTON, TX, 77079 Jorey Chernett (the "Reporting Person") The principal business address of the Reporting Person is 6222 Indianwood Trail, Bloomfield Hills, MI 48301. US Y As of the close of business on May 19, 2026, the Reporting Person beneficially owned 1,876,963 shares of Common stock, par value $0.01 per share, of the Issuer (the "Shares"). The aggregate percentage of Shares owned by the Reporting Person is based upon 27,062,277 Shares outstanding as of April 24, 2026, as disclosed in the Issuer's Quarterly Report on Form 10-Q, filed with the U.S. Securities and Exchange Commission (the "SEC") on April 29, 2026. As of the close of business on May 19, 2026, the Reporting Person may be deemed to beneficially own 6.9% of the outstanding Shares. See Cover Pages Items 5-9. See Cover Pages Items 5-9. See Cover Pages Items 5-9. See Cover Pages Items 5-9. Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Chernett Jorey /s/ Jorey Chernett 05/20/2026