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Gottesdiener Keith Michael

SEC insider (Form 3/4/5 filer). CIK 0001615856. Director at Septerna, Inc. (SEPN) and 1 other issuer. 6 reported Form 4/5 transactions since Sep 2024; latest on Sep 25, 2025. Located in CAMBRIDGE, MA.

Companies Gottesdiener Keith Michael has filed insider reports for

  • Septerna, Inc. (SEPN): Director
  • Prime Medicine, Inc. (PRME): Director, Officer, See Remarks
Gottesdiener Keith Michael profile photo

Gottesdiener Keith Michael

CIK: 0001615856

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (66.7%)

Compensation grants

Other (G, F, J, C, D, …)2 (33.3%)

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

Companies & Roles (2)

Septerna, Inc. logo
SEPN

Septerna, Inc.

Director
Prime Medicine, Inc. logo
PRME

Prime Medicine, Inc.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (6 total)

  • Septerna, Inc. logo
    SEPN

    Septerna, Inc.

    Sep 25, 2025
    Award

    Stock Option (Right to Buy)

    Direct
    33.2K shares-
  • Prime Medicine, Inc. logo
    PRME

    Prime Medicine, Inc.

    May 8, 2025
    Award

    Stock Option (right to buy)

    Direct
    100K shares-
  • Prime Medicine, Inc. logo
    PRME

    Prime Medicine, Inc.

    Feb 28, 2025
    Award

    Stock Option (right to buy)

    Direct
    500K shares-
  • Prime Medicine, Inc. logo
    PRME

    Prime Medicine, Inc.

    Dec 5, 2024
    Award

    Stock Option (right to buy)

    Direct
    100K shares-
  • Prime Medicine, Inc. logo
    PRME

    Prime Medicine, Inc.

    Oct 8, 2024
    Gift
    Indirect
    226.9K shares-
  • Prime Medicine, Inc. logo
    PRME

    Prime Medicine, Inc.

    Oct 8, 2024
    Gift
    Indirect
    226.9K shares-

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