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Mayo Stephen

SEC insider (Form 3/4/5 filer). CIK 0001849061. Director at Allogene Therapeutics, Inc. (ALLO) and 2 other issuers. 7 reported Form 4/5 transactions since Sep 2024; latest on Jun 18, 2026. Located in RAHWAY, NJ.

Companies Mayo Stephen has filed insider reports for

  • Allogene Therapeutics, Inc. (ALLO): Director
  • Sarepta Therapeutics, Inc. (SRPT): Director
  • Merck & Co., Inc. (MRK): Director
Mayo Stephen profile photo

Mayo Stephen

CIK: 0001849061

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (14.3%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)6 (85.7%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (3)

Allogene Therapeutics, Inc. logo
ALLO

Allogene Therapeutics, Inc.

Director
Sarepta Therapeutics, Inc. logo
SRPT

Sarepta Therapeutics, Inc.

Director
Merck & Co., Inc. logo
MRK

Merck & Co., Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (7 total)

  • Allogene Therapeutics, Inc. logo
    ALLO

    Allogene Therapeutics, Inc.

    Jun 18, 2026
    Award

    Stock Option (Right to buy)

    Direct
    144.4K shares-
  • Sarepta Therapeutics, Inc. logo
    SRPT

    Sarepta Therapeutics, Inc.

    Jun 4, 2026
    Award
    Direct
    16.9K shares-
  • Merck & Co., Inc. logo
    MRK

    Merck & Co., Inc.

    May 29, 2026
    Award

    Phantom Stock

    Direct
    1.9K shares at avg. $118.72-
  • Sarepta Therapeutics, Inc. logo
    SRPT

    Sarepta Therapeutics, Inc.

    Mar 12, 2026
    Sale
    Direct
    7.2K shares at avg. $17.02$123K
  • Allogene Therapeutics, Inc. logo
    ALLO

    Allogene Therapeutics, Inc.

    Jun 18, 2025
    Award

    Restricted Stock Unit

    Direct
    95.4K shares-
  • Merck & Co., Inc. logo
    MRK

    Merck & Co., Inc.

    May 30, 2025
    Award

    Phantom Stock

    Direct
    2.9K shares at avg. $76.84-
  • Sarepta Therapeutics, Inc. logo
    SRPT

    Sarepta Therapeutics, Inc.

    Mar 10, 2025
    Award
    Direct
    2.4K shares-

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