<SEC-DOCUMENT>0001104659-20-101451.txt : 20200901
<SEC-HEADER>0001104659-20-101451.hdr.sgml : 20200901
<ACCEPTANCE-DATETIME>20200901170621
ACCESSION NUMBER:		0001104659-20-101451
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200819
FILED AS OF DATE:		20200901
DATE AS OF CHANGE:		20200901

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Marsh Andrew
		CENTRAL INDEX KEY:			0001431827

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34392
		FILM NUMBER:		201154996

	MAIL ADDRESS:	
		STREET 1:		968 ALBANY SHAKER ROAD
		CITY:			LATHAM
		STATE:			NY
		ZIP:			12110

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PLUG POWER INC
		CENTRAL INDEX KEY:			0001093691
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRICAL INDUSTRIAL APPARATUS [3620]
		IRS NUMBER:				223672377
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		968 ALBANY-SHAKER ROAD
		CITY:			LATHAM
		STATE:			NY
		ZIP:			12110
		BUSINESS PHONE:		5187827700

	MAIL ADDRESS:	
		STREET 1:		968 ALBANY-SHAKER ROAD
		CITY:			LATHAM
		STATE:			NY
		ZIP:			12110
</SEC-HEADER>
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    <footnotes>
        <footnote id="F1">Each restricted stock unit is the equivalent of one share of Plug Power Inc. common stock.</footnote>
        <footnote id="F2">Tendered to Issuer to satisfy tax withholding obligations of the Reporting Person incurred in connection with the vesting of the Reporting Person's restricted stock unit awards.</footnote>
        <footnote id="F3">Shares sold pursuant to a pre-established 10b5-1 trading plan effective as of March 17, 2020.</footnote>
        <footnote id="F4">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.71 to $13.12, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.</footnote>
        <footnote id="F5">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.77 to $13.29, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.</footnote>
        <footnote id="F6">On August 19, 2019, the Reporting Person was granted 650,000 restricted stock units, vesting in three substantially equal annual installments beginning on the first anniversary of the grant date.</footnote>
        <footnote id="F7">On August 28, 2018, the Reporting Person was granted 500,000 restricted stock units, vesting in three substantially equal annual installments beginning on the first anniversary of the grant date.</footnote>
        <footnote id="F8">On August 28, 2018, the Reporting Person was granted 500,000 stock options, vesting in three substantially equal annual installments beginning on the first anniversary of the grant date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Gerard L. Conway, Jr., Attorney-in-Fact</signatureName>
        <signatureDate>2020-09-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
