Marion McCourt - 05 Dec 2025 Form 4 Insider Report for REGENERON PHARMACEUTICALS, INC. (REGN)

Role
EVP Commercial
Signature
/s/ Marion McCourt
Issuer symbol
REGN
Transactions as of
05 Dec 2025
Transactions value $
$-952,488
Form type
4
Filing time
09 Dec 2025, 16:10:59 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
McCourt Marion EVP Commercial 777 OLD SAW MILL RIVER ROAD, TARRYTOWN /s/ Marion McCourt 09 Dec 2025 0001663758

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction REGN Common Stock Award $0 +2,476 +17.4% $0.000000 16,706 05 Dec 2025 Direct F1
transaction REGN Common Stock Tax liability $-952,488 -1,336 -8% $712.94 15,370 08 Dec 2025 Direct
holding REGN Common Stock 197 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 +12,210 $0.000000 12,210 05 Dec 2025 Common Stock 12,210 $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.