Arkolith/Insider Trading/REGN/Form 4

Schleifer Leonard S

Bd. Co-Chair, President & CEO, DirectorREGENERON PHARMACEUTICALS, INC. (REGN) · full profile →Form 4 · filed Jan 5, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Dec 31, 2025Tax withholding(F)29K$772.09$22.1M215K
Dec 31, 2025Option exercise(M)29K—$0243K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Dec 31, 2025Option exercise(M)29K—$0595K

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001218629-26-000002) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML