<SEC-DOCUMENT>0001645635-20-000044.txt : 20200317
<SEC-HEADER>0001645635-20-000044.hdr.sgml : 20200317
<ACCEPTANCE-DATETIME>20200317184557
ACCESSION NUMBER:		0001645635-20-000044
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200313
FILED AS OF DATE:		20200317
DATE AS OF CHANGE:		20200317

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TAYLOR KEITH D
		CENTRAL INDEX KEY:			0001197203
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31293
		FILM NUMBER:		20722514

	MAIL ADDRESS:	
		STREET 1:		301 VELOCITY WAY, 5TH FLOOR
		CITY:			FOSTER CITY
		STATE:			CA
		ZIP:			94404

	FORMER NAME:	
		FORMER CONFORMED NAME:	TAYLOR KEITH
		DATE OF NAME CHANGE:	20021008

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EQUINIX INC
		CENTRAL INDEX KEY:			0001101239
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				770487526
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE LAGOON DRIVE
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94065
		BUSINESS PHONE:		(650) 598-6000

	MAIL ADDRESS:	
		STREET 1:		ONE LAGOON DRIVE
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94065
</SEC-HEADER>
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<SEQUENCE>1
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        <issuerTradingSymbol>EQIX</issuerTradingSymbol>
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            <rptOwnerZipCode>94065</rptOwnerZipCode>
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            <officerTitle>Chief Financial Officer</officerTitle>
            <otherText></otherText>
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    <footnotes>
        <footnote id="F1">Shares were sold pursuant to a 10b5-1 Trading Plan in order to raise funds to pay the required withholding tax pursuant to the vesting of RSUs.</footnote>
        <footnote id="F2">The price reported in Column 4 is a weighted average price.   These shares were sold in multiple transactions at prices ranging from $566.45 to $567.09, inclusive.  The reporting person undertakes to provide to Equinix, Inc, any security holder of Equinix Inc, 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 ranges set forth in footnotes 3 and 4 to this Form 4.</footnote>
        <footnote id="F3">The price reported in Column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $570.77 to $571.37 inclusive.</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 $577.59 to $577.92 inclusive.</footnote>
        <footnote id="F5">Under the 2019 Annual Incentive Plan, subject to meeting performance criteria, the reporting person was eligible to receive a bonus to be paid in the form of fully-vested restricted stock units.  The Compensation Committee has determined that the performance criteria were attained, and therefore 100% of the award was granted on March 13, 2020 as reported in this Form 4.</footnote>
        <footnote id="F6">Restricted stock unit award expires upon reporting person's termination of employment.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Samantha Lagocki, POA</signatureName>
        <signatureDate>2020-03-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</DOCUMENT>
</SEC-DOCUMENT>
