John M. Gellert
President and CEO · SEACOR Marine Holdings Inc.
Individual
- 2026
- Mar 10, 2026
- 3
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies John M. Gellert files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Jesus Llorca - $1.39M in SMHI purchases and sales in the last 12 months
- Andrew H. Everett II - $890K in SMHI purchases and sales in the last 12 months
- Gregory Scott Rossmiller - $421K in SMHI purchases and sales in the last 12 months
- Julie Persily - $52K in SMHI purchases and sales in the last 12 months
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Frequently asked questions
Who is John M. Gellert?
John M. Gellert is a corporate insider, tracked as President and CEO of SEACOR Marine Holdings Inc. (SMHI). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did John M. Gellert last file a Form 4?
The most recent primary Form 4 on record is dated 10 March 2026, one of 3 filings going back to 2026.
