<SEC-DOCUMENT>0001708138-21-000058.txt : 20210817
<SEC-HEADER>0001708138-21-000058.hdr.sgml : 20210817
<ACCEPTANCE-DATETIME>20210817164228
ACCESSION NUMBER:		0001708138-21-000058
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210816
FILED AS OF DATE:		20210817
DATE AS OF CHANGE:		20210817

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHLEIFER LEONARD S
		CENTRAL INDEX KEY:			0001218629

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19034
		FILM NUMBER:		211183323

	MAIL ADDRESS:	
		STREET 1:		777 OLD SAW MILL RIVER ROAD
		CITY:			TARRYTOWN
		STATE:			NY
		ZIP:			10591

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			REGENERON PHARMACEUTICALS, INC.
		CENTRAL INDEX KEY:			0000872589
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				133444607
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		777 OLD SAW MILL RIVER ROAD
		CITY:			TARRYTOWN
		STATE:			NY
		ZIP:			10591
		BUSINESS PHONE:		9148477000

	MAIL ADDRESS:	
		STREET 1:		777 OLD SAW MILL RIVER ROAD
		CITY:			TARRYTOWN
		STATE:			NY
		ZIP:			10591

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	REGENERON PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
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                <directOrIndirectOwnership>
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                <directOrIndirectOwnership>
                    <value>I</value>
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                <natureOfOwnership>
                    <value>By 401(k) Plan</value>
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    <footnotes>
        <footnote id="F1">Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c).</footnote>
        <footnote id="F2">Represents volume-weighted average price of sales of 171 shares of Company stock on August 16, 2021 at prices ranging from $615.35 to $615.79. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F3">These shares are held in a trust for the benefit of the reporting person's family members. The reporting person's spouse is a trustee of the trust.</footnote>
        <footnote id="F4">Represents volume-weighted average price of sales of 146 shares of Company stock on August 16, 2021 at prices ranging from $616.66 to $616.73. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F5">Represents volume-weighted average price of sales of 258 shares of Company stock on August 16, 2021 at prices ranging from $617.56 to $617.93. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F6">Represents volume-weighted average price of sales of 90 shares of Company stock on August 16, 2021 at prices ranging from $618.13 to $618.89. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F7">Represents volume-weighted average price of sales of 34 shares of Company stock on August 16, 2021 at prices ranging from $619.67 to $619.84. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F8">Represents volume-weighted average price of sales of 96 shares of Company stock on August 16, 2021 at prices ranging from $620.35 to $620.98. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F9">Represents volume-weighted average price of sales of 287 shares of Company stock on August 16, 2021 at prices ranging from $621.25 to $621.94. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F10">Represents volume-weighted average price of sales of 924 shares of Company stock on August 16, 2021 at prices ranging from $622.00 to $622.84. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F11">Represents volume-weighted average price of sales of 2,393 shares of Company stock on August 16, 2021 at prices ranging from $623.08 to $623.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F12">Represents volume-weighted average price of sales of 1,862 shares of Company stock on August 16, 2021 at prices ranging from $624.00 to $624.98. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F13">Represents volume-weighted average price of sales of 1,355 shares of Company stock on August 16, 2021 at prices ranging from $625.01 to $625.88. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F14">Represents volume-weighted average price of sales of 295 shares of Company stock on August 16, 2021 at prices ranging from $626.04 to $626.63. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F15">Represents volume-weighted average price of sales of 1,111 shares of Company stock on August 16, 2021 at prices ranging from $627.02 to $627.82. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F16">Represents volume-weighted average price of sales of 675 shares of Company stock on August 16, 2021 at prices ranging from $628.03 to $628.99. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
        <footnote id="F17">Represents volume-weighted average price of sales of 303 shares of Company stock on August 16, 2021 at prices ranging from $629.18 to $629.86. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on August 16, 2021 at each separate price.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/**Leonard S. Schleifer</signatureName>
        <signatureDate>2021-08-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
