Mailing Address 12121 WICKCHESTER LANE SUITE 500 HOUSTON TX 77079
Business Address 12121 WICKCHESTER LANE SUITE 500 HOUSTON TX 77079 9858765400
SEACOR Marine Holdings Inc. CIK#: 0001690334 (see all company filings)

SIC: 4412 - DEEP SEA FOREIGN TRANSPORTATION OF FREIGHT
State location: TX | State of Inc.: DE | Fiscal Year End: 1231
(CF Office: 01 Energy & Transportation)
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Items 1 - 40  0001690334 Filings RSS Feed
Filings Format Description Filed/Effective File/Film Number
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0000950170-25-051250 (34 Act)  Size: 215 KB
2025-04-04 001-37966
25815868
8-K  Documents   Interactive Data Current report, items 7.01, 8.01, and 9.01
Acc-no: 0000950170-25-029468 (34 Act)  Size: 15 MB
2025-02-28 001-37966
25682289
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000950170-25-027933 (34 Act)  Size: 25 MB
2025-02-26 001-37966
25671402
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-25-027932 (34 Act)  Size: 2 MB
2025-02-26 001-37966
25671397
424B5  Documents Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-25-033473 (33 Act)  Size: 1 MB
2025-02-24 333-284783
25657639
424B5  Documents Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-25-033470 (33 Act)  Size: 1 MB
2025-02-24 333-284783
25657594
EFFECT  Documents Notice of Effectiveness
Acc-no: 9999999995-25-000504 (33 Act)  Size: 1 KB
2025-02-19 333-284783
25643078
CORRESP  Documents [Cover]Correspondence
Acc-no: 0001193125-25-027307 Size: 7 KB
2025-02-14
UPLOAD  Documents [Cover]SEC-generated letter
Acc-no: 0000000000-25-001663 Size: 40 KB
2025-02-13 333-284783
S-3  Documents Registration statement under Securities Act of 1933
Acc-no: 0001193125-25-022780 (33 Act)  Size: 2 MB
2025-02-07 333-284783
25602663
SCHEDULE 13G  Documents Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000354204-25-000487 (34 Act)  Size: 8 KB
2025-01-23 005-90035
25549977
SCHEDULE 13D  Documents General Statement of Acquisition of Beneficial Ownership
Acc-no: 0000950170-25-006748 (34 Act)  Size: 864 KB
2025-01-17 005-90035
25539124
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, 7.01, and 9.01
Acc-no: 0001193125-24-268352 (34 Act)  Size: 3 MB
2024-12-02 001-37966
241517340
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-24-119039 (34 Act)  Size: 14 MB
2024-10-30 001-37966
241410777
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-24-119034 (34 Act)  Size: 2 MB
2024-10-30 001-37966
241410745
8-K  Documents   Interactive Data Current report, items 5.02 and 9.01
Acc-no: 0001193125-24-222178 (34 Act)  Size: 171 KB
2024-09-19 001-37966
241311179
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001193125-24-216674 (34 Act)  Size: 16 MB
2024-09-10 001-37966
241290632
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-24-088727 (34 Act)  Size: 14 MB
2024-07-31 001-37966
241163116
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-24-088729 (34 Act)  Size: 2 MB
2024-07-31 001-37966
241163115
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001193125-24-174553 (34 Act)  Size: 20 MB
2024-07-03 001-37966
241098157
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0000950170-24-069930 (34 Act)  Size: 187 KB
2024-06-06 001-37966
241025960
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-24-051298 (34 Act)  Size: 10 MB
2024-05-01 001-37966
24903295
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-24-051295 (34 Act)  Size: 2 MB
2024-05-01 001-37966
24903245
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-24-100823 (34 Act)  Size: 38 MB
2024-04-18 001-37966
24854610
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-24-100813 (34 Act)  Size: 2 MB
2024-04-18 001-37966
24854565
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000080255-24-000832 (34 Act)  Size: 6 KB
2024-04-10 005-90035
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000950170-24-026254 (34 Act)  Size: 163 KB
2024-03-05 001-37966
24722186
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0000950170-24-023169 (34 Act)  Size: 19 MB
2024-02-29 001-37966
24704364
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000950170-24-023158 (34 Act)  Size: 25 MB
2024-02-29 001-37966
24704292
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001799456-24-000005 (34 Act)  Size: 68 KB
2024-02-14 005-90035
24634890
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000080255-24-000726 (34 Act)  Size: 7 KB
2024-02-14 005-90035
SC 13G  Documents Statement of Beneficial Ownership by Certain Investors
Acc-no: 0001086364-24-005178 (34 Act)  Size: 13 KB
2024-01-29 005-90035
24573161
424B5  Documents Prospectus [Rule 424(b)(5)]
Acc-no: 0001193125-23-268288 (33 Act)  Size: 616 KB
2023-11-01 333-262447
231368951
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-057471 (34 Act)  Size: 18 MB
2023-11-01 001-37966
231368554
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-23-057466 (34 Act)  Size: 3 MB
2023-11-01 001-37966
231368534
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001193125-23-237712 (34 Act)  Size: 10 MB
2023-09-19 001-37966
231264566
8-K  Documents   Interactive Data Current report, items 1.01, 2.03, 7.01, and 9.01
Acc-no: 0001193125-23-232602 (34 Act)  Size: 2 MB
2023-09-11 001-37966
231248524
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001193125-23-230749 (34 Act)  Size: 170 KB
2023-09-07 001-37966
231243043
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000950170-23-037210 (34 Act)  Size: 19 MB
2023-08-02 001-37966
231136044
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000950170-23-037201 (34 Act)  Size: 3 MB
2023-08-02 001-37966
231135926