X0508 4 2023-11-03 0 0001690334 SEACOR Marine Holdings Inc. SMHI 0001593007 Persily Julie C/O SEACOR MARINE HOLDINGS INC. 12121 WICKCHESTER LANE, SUITE 500 HOUSTON TX 77079 1 0 0 0 0 Common Stock 2023-11-03 4 S 0 20000 13.45 D 67852 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.26 to $13.995, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4. /s/ Andrew H. Everett II, Attorney-in-Fact 2023-11-06