ANDREW MURPHY - 29 Oct 2025 Form 4 Insider Report for REGENERON PHARMACEUTICALS, INC. (REGN)

Role
EVP Research
Signature
/s/ Andrew Murphy
Issuer symbol
REGN
Transactions as of
29 Oct 2025
Transactions value $
-$1,631,712
Form type
4
Filing time
31 Oct 2025, 16:06:57 UTC
Previous filing
18 Dec 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
MURPHY ANDREW J EVP Research 777 OLD SAW MILL RIVER ROAD, TARRYTOWN /s/ Andrew Murphy 31 Oct 2025 0001796226

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction REGN Common Stock Options Exercise $19.4M +35K +71.32% $555.67 84.1K 29 Oct 2025 Direct
transaction REGN Common Stock Tax liability -$21.1M -32.5K -38.64% $648.82 51.6K 29 Oct 2025 Direct
transaction REGN Common Stock Gift $0 -1.54K -2.98% $0.00 50K 30 Oct 2025 Direct
holding REGN Common Stock 4.37K 29 Oct 2025 By 401(k) Plan

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction REGN Non-Qualified Stock Option (right to buy) Options Exercise $0 -35K -100% $0.00 0 29 Oct 2025 Common Stock 35K $555.67 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The stock option award vested in four equal annual installments, commencing one year after the date of grant.