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Brennan David R

SEC insider (Form 3/4/5 filer). CIK 0001609305. Director at INSMED Inc (INSM). 6 reported Form 4/5 transactions since Sep 2024; latest on Sep 9, 2026. Located in BRIDGEWATER, NJ.

Companies Brennan David R has filed insider reports for

  • INSMED Inc (INSM): Director
Brennan David R profile photo

Brennan David R

CIK: 0001609305

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (16.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)3 (50.0%)

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

Companies & Roles (1)

INSMED Inc logo
INSM

INSMED Inc

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

  • INSMED Inc logo
    INSM

    INSMED Inc

    Sep 9, 2026
    Sale
    Direct
    25K shares at avg. $124.00$3.1M
  • INSMED Inc logo
    INSM

    INSMED Inc

    May 13, 2026
    Award
    Direct
    3.3K shares-
  • INSMED Inc logo
    INSM

    INSMED Inc

    Feb 23, 2026
    Gift
    Direct
    6K shares-
  • INSMED Inc logo
    INSM

    INSMED Inc

    Nov 6, 2025
    Gift
    Direct
    60K shares-
  • INSMED Inc logo
    INSM

    INSMED Inc

    Nov 6, 2025
    Gift
    Indirect
    60K shares-
  • INSMED Inc logo
    INSM

    INSMED Inc

    May 15, 2025
    Award
    Direct
    5.1K shares-

1-6 of 6