Andrew J. 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
Net transactions value
-$1,631,712
Form type
4
Filing time
31 Oct 2025, 16:06:57 UTC
Previous filing
18 Dec 2024
Next filing
09 Dec 2025
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 $19,448,450 +35,000 +71% $555.67 84,074 29 Oct 2025 Direct
transaction REGN Common Stock Tax liability $21,080,162 -32,490 -39% $648.82 51,584 29 Oct 2025 Direct
transaction REGN Common Stock Gift $0 -1,538 -3% $0.000000 50,046 30 Oct 2025 Direct
holding REGN Common Stock 4,370 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 -35,000 -100% $0.000000 0 29 Oct 2025 Common Stock 35,000 $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.