VAGELOS P ROY - 08 Dec 2021 Form 4 Insider Report for REGENERON PHARMACEUTICALS, INC. (REGN)

Role: Director
Signature: /s/**P. Roy Vagelos
Issuer symbol: REGN
Transactions as of: 08 Dec 2021
Net transactions value: $0
Form type: 4
Filing time: 10 Dec 2021, 16:35:53 UTC
Previous filing: 27 Aug 2021
Next filing: 20 Dec 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	REGN	Common Stock	Award	$0	+1,861	+0.59%	$0.000000	318,669	08 Dec 2021	Direct	F1
transaction	REGN	Common Stock	Gift	$0	-347	-0.24%	$0.000000	141,630	04 Oct 2021	by CLAT
holding	REGN	Common Stock						2,221	08 Dec 2021	By 401(k) Plan
holding	REGN	Common Stock						37,747	08 Dec 2021	by Spouse as Trustee
holding	REGN	Common Stock						3,609	08 Dec 2021	by trust for grandch	F2

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	+21,198		$0.000000	21,198	08 Dec 2021	Common Stock	21,198	$644.54	Direct	F3

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

Explanation of Responses:

Id	Content
F1	Reflects an acquisition of time-based vesting restricted stock units each representing a contingent right to receive one share of the Company's common stock.
F2	By trusts for the benefit of nine grandchildren of the reporting person, each of which holds 401 shares of Company stock. The reporting person and/or the spouse of the reporting person is the trustee of each such trust.
F3	The stock option award vests in four equal annual installments, commencing one year after the date of grant.