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Marion McCourt

CIK: 0001663758

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)6 (40.0%)

Position reduction

Option Exercises (M)3 (20.0%)

Derivative conversions

Awards (A)2 (13.3%)

Compensation grants

Other (G, F, J, C, D, …)4 (26.7%)

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

Companies & Roles (1)

REGENERON PHARMACEUTICALS, INC. logo
REGN

REGENERON PHARMACEUTICALS, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (15 total)

  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Oct 30, 2026
    Sale(S)
    Direct
    1.1K shares at avg. $869.43$984K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Sep 3, 2026
    Sale(S)
    Direct
    1.1K shares at avg. $857.39$970K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Sep 2, 2026
    Sale(S)
    Direct
    1.2K shares at avg. $850.00$1.0M
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Dec 9, 2025
    Tax Payment(F)
    Direct
    1K shares at avg. $701.51$716K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Dec 8, 2025
    Tax Payment(F)
    Direct
    1.3K shares at avg. $712.94$952K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Dec 5, 2025
    Award(A)
    Direct
    2.5K shares-
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Dec 16, 2024
    Tax Payment(F)
    Direct
    759 shares at avg. $730.81$555K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Dec 9, 2024
    Tax Payment(F)
    Direct
    274 shares at avg. $787.00$216K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Dec 6, 2024
    Award(A)
    Direct
    2.3K shares-
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Nov 1, 2024
    Exercise(M)
    Direct
    1K shares at avg. $381.40$381K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Nov 1, 2024
    Sale(S)
    Direct
    1K shares at avg. $844.61$845K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Oct 1, 2024
    Exercise(M)
    Direct
    1K shares at avg. $381.40$381K
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Oct 1, 2024
    Sale(S)
    Direct
    1K shares at avg. $1054.06$1.1M
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Sep 3, 2024
    Sale(S)
    Direct
    1K shares at avg. $1178.73$1.2M
  • REGENERON PHARMACEUTICALS, INC. logo
    REGN

    REGENERON PHARMACEUTICALS, INC.

    Sep 3, 2024
    Exercise(M)
    Direct
    1K shares at avg. $381.40$381K

1-15 of 15

About McCourt Marion

McCourt Marion (SEC CIK 0001663758) files insider reports with the SEC as EVP Commercial of REGENERON PHARMACEUTICALS, INC. (REGN).

Signal8 holds 9 ownership filings by McCourt Marion, all Form 4s, filed between Sep 5, 2024 and Nov 3, 2026. Those filings report 15 transactions, from Sep 3, 2024 to Oct 30, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on McCourt Marion's filings is in TARRYTOWN, NY.

Recent filings by McCourt Marion

  • Oct 30, 2026: Open-market sale of REGN shares (Form 4, code S).
  • Sep 3, 2026: Open-market sale of REGN shares (Form 4, code S).
  • Sep 2, 2026: Open-market sale of REGN shares (Form 4, code S).
  • Dec 9, 2025: Tax withholding of REGN shares (Form 4, code F).
  • Dec 8, 2025: Tax withholding of REGN shares (Form 4, code F).

Other insiders filing for REGENERON PHARMACEUTICALS, INC. (REGN)

How to read Form 4 transaction codes