Daniel P. van Plew - 05 Dec 2025 Form 4 Insider Report for REGENERON PHARMACEUTICALS, INC. (REGN)

Role
EVP & General Mgr, Industrial
Signature
/s/ Daniel P. Van Plew
Issuer symbol
REGN
Transactions as of
05 Dec 2025
Net transactions value
-$1,358,864
Form type
4
Filing time
09 Dec 2025, 16:31:12 UTC
Previous filing
18 Dec 2024
Next filing
11 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Van Plew Daniel P EVP & General Mgr, Industrial 777 OLD SAW MILL RIVER ROAD, TARRYTOWN /s/ Daniel P. Van Plew 09 Dec 2025 0001411984

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction REGN Common Stock Award $0 +3,715 +17% $0.000000 26,131 05 Dec 2025 Direct F1
transaction REGN Common Stock Tax liability $1,358,864 -1,906 -7.3% $712.94 24,225 08 Dec 2025 Direct
holding REGN Common Stock 12,376 05 Dec 2025 By 2025 GRAT
holding REGN Common Stock 1,129 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.