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Guarini Kathryn

SEC insider (Form 3/4/5 filer). CIK 0001992352. Director at REGENERON PHARMACEUTICALS, INC. (REGN). 6 reported Form 4/5 transactions since Sep 2024; latest on Sep 2, 2026. Located in TARRYTOWN, NY.

Companies Guarini Kathryn has filed insider reports for

  • REGENERON PHARMACEUTICALS, INC. (REGN): Director
Guarini Kathryn profile photo

Guarini Kathryn

CIK: 0001992352

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (33.3%)

Position reduction

Option Exercises (M)2 (33.3%)

Derivative conversions

Awards (A)2 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (1)

REGENERON PHARMACEUTICALS, INC. logo
REGN

REGENERON PHARMACEUTICALS, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Sep 2, 2026
    Exercise
    Direct
    400 shares at avg. $719.37$288K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Sep 2, 2026
    Sale
    Direct
    400 shares at avg. $850.00$340K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Aug 10, 2026
    Exercise
    Direct
    400 shares at avg. $719.37$288K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Aug 10, 2026
    Sale
    Direct
    400 shares at avg. $800.00$320K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Jan 2, 2026
    Award
    Direct
    155 shares-
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Jan 2, 2025
    Award
    Direct
    166 shares-

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