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John M. Gellert

CIK: 0001292966

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)2 (20.0%)

Derivative conversions

Awards (A)2 (20.0%)

Compensation grants

Other (G, F, J, C, D, …)6 (60.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

SEACOR Marine Holdings Inc. logo
SMHI

SEACOR Marine Holdings Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (10 total)

  • SEACOR Marine Holdings Inc. logo
    SMHI

    SEACOR Marine Holdings Inc.

    Mar 7, 2026
    Tax Payment(F)
    Direct
    4.2K shares at avg. $7.31$31K
  • SEACOR Marine Holdings Inc. logo
    SMHI

    SEACOR Marine Holdings Inc.

    Mar 7, 2026
    Exercise(M)
    Direct
    9.6K shares-
  • SEACOR Marine Holdings Inc. logo
    SMHI

    SEACOR Marine Holdings Inc.

    Mar 4, 2026
    Tax Payment(F)
    Direct
    65.9K shares at avg. $7.63$503K
  • SEACOR Marine Holdings Inc. logo
    SMHI

    SEACOR Marine Holdings Inc.

    Feb 27, 2026
    Award(A)
    Direct
    88K shares-
  • SEACOR Marine Holdings Inc. logo
    SMHI

    SEACOR Marine Holdings Inc.

    Mar 11, 2025
    Tax Payment(F)
    Direct
    25.9K shares at avg. $5.08$131K
  • SEACOR Marine Holdings Inc. logo
    SMHI

    SEACOR Marine Holdings Inc.

    Mar 11, 2025
    Gift(G)
    Indirect
    10.2K shares-
  • SEACOR Marine Holdings Inc. logo
    SMHI

    SEACOR Marine Holdings Inc.

    Mar 11, 2025
    Exercise(M)
    Direct
    58.9K shares-
  • SEACOR Marine Holdings Inc. logo
    SMHI

    SEACOR Marine Holdings Inc.

    Mar 7, 2025
    Gift(G)
    Indirect
    7K shares-
  • SEACOR Marine Holdings Inc. logo
    SMHI

    SEACOR Marine Holdings Inc.

    Mar 4, 2025
    Tax Payment(F)
    Direct
    65.2K shares at avg. $5.26$343K
  • SEACOR Marine Holdings Inc. logo
    SMHI

    SEACOR Marine Holdings Inc.

    Feb 28, 2025
    Award(A)
    Direct
    183.1K shares-

1-10 of 10

About Gellert John M

Gellert John M (SEC CIK 0001292966) files insider reports with the SEC as President and CEO of SEACOR Marine Holdings Inc. (SMHI).

Signal8 holds 6 ownership filings by Gellert John M, all Form 4s, filed between Mar 4, 2025 and Mar 10, 2026. Those filings report 10 transactions, from Feb 28, 2025 to Mar 7, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Gellert John M's filings is in HOUSTON, TX.

Recent filings by Gellert John M

  • Mar 7, 2026: Tax withholding of SMHI shares (Form 4, code F).
  • Mar 7, 2026: Option exercise of SMHI shares (Form 4, code M).
  • Mar 4, 2026: Tax withholding of SMHI shares (Form 4, code F).
  • Feb 27, 2026: Grant or award of SMHI shares (Form 4, code A).
  • Mar 11, 2025: Tax withholding of SMHI shares (Form 4, code F).

Other insiders filing for SEACOR Marine Holdings Inc. (SMHI)

How to read Form 4 transaction codes