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HENNESSY SEAN P

SEC insider (Form 3/4/5 filer). CIK 0001203507. Director at TransDigm Group INC (TDG) and 1 other issuer. 26 reported Form 4/5 transactions since Sep 2024; latest on Sep 18, 2026. Located in WESTLAKE, OH.

Companies HENNESSY SEAN P has filed insider reports for

  • TransDigm Group INC (TDG): Director
  • Perimeter Solutions, Inc. (PRM): Director
HENNESSY SEAN P profile photo

HENNESSY SEAN P

CIK: 0001203507

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (19.2%)

Position reduction

Option Exercises (M)1 (3.8%)

Derivative conversions

Awards (A)18 (69.2%)

Compensation grants

Other (G, F, J, C, D, …)2 (7.7%)

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

Companies & Roles (2)

TransDigm Group INC logo
TDG

TransDigm Group INC

Director
Perimeter Solutions, Inc. logo
PRM

Perimeter Solutions, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (26 total)

  • TransDigm Group INC logo
    TDG

    TransDigm Group INC

    Sep 18, 2026
    Award
    Direct
    46 shares at avg. $1085.00$50K
  • TransDigm Group INC logo
    TDG

    TransDigm Group INC

    Mar 20, 2026
    Award
    Direct
    41 shares at avg. $1214.66$50K
  • Perimeter Solutions, Inc. logo
    PRM

    Perimeter Solutions, Inc.

    Feb 26, 2026
    Award

    Stock Option (right to buy)

    Direct
    7K shares-
  • Perimeter Solutions, Inc. logo
    PRM

    Perimeter Solutions, Inc.

    Feb 26, 2026
    Award

    Stock Option (right to buy)

    Direct
    1.8K shares-
  • Perimeter Solutions, Inc. logo
    PRM

    Perimeter Solutions, Inc.

    Feb 26, 2026
    Award

    Stock Option (right to buy)

    Direct
    7K shares-
  • Perimeter Solutions, Inc. logo
    PRM

    Perimeter Solutions, Inc.

    Feb 26, 2026
    Award

    Stock Option (right to buy)

    Direct
    7K shares-
  • Perimeter Solutions, Inc. logo
    PRM

    Perimeter Solutions, Inc.

    Feb 26, 2026
    Award

    Stock Option (right to buy)

    Direct
    7K shares-
  • Perimeter Solutions, Inc. logo
    PRM

    Perimeter Solutions, Inc.

    Feb 26, 2026
    Award

    Stock Option (right to buy)

    Direct
    6.2K shares-
  • TransDigm Group INC logo
    TDG

    TransDigm Group INC

    Nov 4, 2025
    Award

    Stock Option

    Direct
    518 shares-
  • TransDigm Group INC logo
    TDG

    TransDigm Group INC

    Sep 19, 2025
    Award
    Direct
    36 shares at avg. $1288.13$46K

1-10 of 26