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George Simeon

SEC insider (Form 3/4/5 filer). CIK 0001595117. Director at CRISPR Therapeutics AG (CRSP) and 3 other issuers. 20 reported Form 4/5 transactions since Sep 2024; latest on Oct 14, 2026. Located in REDWOOD CITY, CA.

Companies George Simeon has filed insider reports for

  • CRISPR Therapeutics AG (CRSP): Director
  • ADARx Pharmaceuticals, Inc. (ADRX): Director, 10% Owner
  • Design Therapeutics, Inc. (DSGN): Director, 10% Owner
  • Nkarta, Inc. (NKTX): Director
George Simeon profile photo

George Simeon

CIK: 0001595117

Transaction Breakdown

Open Market Buys (P)6 (30.0%)

High conviction signal

Open Market Sales (S)1 (5.0%)

Position reduction

Option Exercises (M)1 (5.0%)

Derivative conversions

Awards (A)6 (30.0%)

Compensation grants

Other (G, F, J, C, D, …)6 (30.0%)

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

Companies & Roles (4)

CRISPR Therapeutics AG logo
CRSP

CRISPR Therapeutics AG

Director
ADARx Pharmaceuticals, Inc. logo
ADRX

ADARx Pharmaceuticals, Inc.

Director10% Owner
Design Therapeutics, Inc. logo
DSGN

Design Therapeutics, Inc.

Director10% Owner
Nkarta, Inc. logo
NKTX

Nkarta, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (20 total)

  • CRISPR Therapeutics AG logo
    CRSP

    CRISPR Therapeutics AG

    Oct 14, 2026
    Sale
    Direct
    14.5K shares at avg. $49.63$720K
  • CRISPR Therapeutics AG logo
    CRSP

    CRISPR Therapeutics AG

    Oct 14, 2026
    Exercise
    Direct
    30K shares at avg. $14.00$420K
  • ADARx Pharmaceuticals, Inc. logo
    ADRX

    ADARx Pharmaceuticals, Inc.

    Sep 28, 2026
    Conversion
    Indirect
    1.1M shares-
  • ADARx Pharmaceuticals, Inc. logo
    ADRX

    ADARx Pharmaceuticals, Inc.

    Sep 28, 2026
    Conversion
    Indirect
    512.9K shares-
  • ADARx Pharmaceuticals, Inc. logo
    ADRX

    ADARx Pharmaceuticals, Inc.

    Sep 28, 2026
    Purchase
    Indirect
    592.6K shares at avg. $17.00$10.1M
  • ADARx Pharmaceuticals, Inc. logo
    ADRX

    ADARx Pharmaceuticals, Inc.

    Sep 28, 2026
    Conversion
    Indirect
    1.5M shares-
  • ADARx Pharmaceuticals, Inc. logo
    ADRX

    ADARx Pharmaceuticals, Inc.

    Sep 28, 2026
    Purchase
    Indirect
    414.8K shares at avg. $17.00$7.1M
  • ADARx Pharmaceuticals, Inc. logo
    ADRX

    ADARx Pharmaceuticals, Inc.

    Sep 28, 2026
    Conversion
    Indirect
    1.7M shares-
  • ADARx Pharmaceuticals, Inc. logo
    ADRX

    ADARx Pharmaceuticals, Inc.

    Sep 28, 2026
    Conversion
    Indirect
    169K shares-
  • ADARx Pharmaceuticals, Inc. logo
    ADRX

    ADARx Pharmaceuticals, Inc.

    Sep 28, 2026
    Purchase
    Indirect
    592.6K shares at avg. $17.00$10.1M

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