Joseph L. Goldstein - Feb 6, 2023 Form 4 Insider Report for REGENERON PHARMACEUTICALS, INC. (REGN)

Role: Director
Signature: /s/**Joseph L. Goldstein
Stock symbol: REGN
Transactions as of: Feb 6, 2023
Transactions value $: -$1,146,477
Form type: 4
Date filed: 2/8/2023, 03:16 PM
Previous filing: Jan 5, 2023
Next filing: Jan 4, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	REGN	Common Stock	Options Exercise	$1.74M	+3.61K	+57.84%	$482.68	9.86K	Feb 6, 2023	Direct	F1
transaction	REGN	Common Stock	Sale	-$2.89M	-3.61K	-36.64%	$800.00	6.25K	Feb 6, 2023	Direct	F1

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	-3.61K	-100%	$0.00^*	0	Feb 6, 2023	Common Stock	3.61K	$482.68	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).
F2	On the date of the Issuer's first annual meeting of shareholders following the date of grant, a portion of these stock options equal to the portion of one year that had passed from the date of grant became exercisable, and the remainder became exercisable on the first anniversary of the date of grant.