Andrew J. Murphy - 05 Dec 2025 Form 4 Insider Report for REGENERON PHARMACEUTICALS, INC. (REGN)

Role
EVP Research
Signature
/s/ Andrew Murphy
Issuer symbol
REGN
Transactions as of
05 Dec 2025
Net transactions value
-$1,211,285
Form type
4
Filing time
09 Dec 2025, 16:17:05 UTC
Previous filing
31 Oct 2025
Next filing
11 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 09 Dec 2025 0001796226

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction REGN Common Stock Award $0 +3,715 +7.4% $0.000000 53,761 05 Dec 2025 Direct F1
transaction REGN Common Stock Tax liability $1,211,285 -1,699 -3.2% $712.94 52,062 08 Dec 2025 Direct
holding REGN Common Stock 4,375 05 Dec 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) Award $0 +18,315 $0.000000 18,315 05 Dec 2025 Common Stock 18,315 $726.71 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Award of Restricted Stock under the Second Amended and Restated 2014 Long-Term Incentive Plan that vests 50% on December 5, 2027 and 50% on December 5, 2029.
F2 The stock option award vests in four equal annual installments, commencing one year after the date of grant.