Sec Form 4 Filing - Schwartz Eric @ EQUINIX INC - 2013-04-08

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Schwartz Eric 2. Issuer Name and Ticker or Trading Symbol EQUINIX INC [ EQIX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President, Equinix Europe (Last) (First) (Middle) ONE LAGOON WAY 3. Date of Earliest Transaction (MM/DD/YY) 04/08/2013 (Street) REDWOOD CITY, CA94065 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 04/08/2013 A 9,821 A $ 0 23,089 ( 1 ) D Common Stock 04/09/2013 S( 2 ) 7,718 D $ 212.2143 ( 7 ) ( 8 ) 15,371 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Units $ 0 04/08/2013 M 2,762 ( 4 ) ( 3 ) Common Stock 2,762 $ 0 0 D Restricted Stock Units $ 0 04/08/2013 M 3,000 ( 5 ) ( 3 ) Common Stock 3,000 $ 0 3,000 D Restricted Stock Units $ 0 04/08/2013 M 4,059 ( 6 ) ( 3 ) Common Stock 4,059 $ 0 4,059 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Schwartz Eric ONE LAGOON WAY REDWOOD CITY, CA94065 President, Equinix Europe Signatures Darrin B. Short, Attorney-in-Fact 04/10/2013 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes 277 shares acquired under the Equinix, Inc. Employee Stock Purchase Plan on February 14, 2013. ( 2 )Shares were sold pursuant to a 10b5-1 Trading Plan. ( 3 )Restricted stock unit award expires upon reporting person's termination of employment. ( 4 )On February 11, 2010, the reporting person was granted performance restricted stock units, the vesting of which was subject to both continued service and the attainment of certain revenue and EBITDA targets for 2010. These targets were achieved at the rate of 110.5% out of a possible 120%, therefore 50% of the achievement level of the award vested on 2/17/2011, with 25% additional units of the achievement level of the award scheduled to vest on each of February 15, 2012 and February 15, 2013, subject solely to continued service. The shares which vested on February 15, 2013 were suject to a deferral arrangement and settled on April 8, 2013. ( 5 )On February 23, 2011, the reporting person was granted performance restricted stock units, the vesting of which was subject to both continued service and the attainment of certain revenue and EBITDA targets for 2011. These targets were achieved to the maximum extent, and, therefore, 50% of the award vested on February 22, 2012, with 25% additional units scheduled to vest on each of February 15, 2013 and February 15, 2014, subject solely to continued service. The shares which vested on February 15, 2013 were suject to a deferral arrangement and settled on April 8, 2013. ( 6 )On February 21, 2012, the reporting person was granted performance restricted stock units, the vesting of which was subject to both continued service and the attainment of certain revenue and EBITDA targets for 2012. These targets were achieved at the rate of 119.77% out of a possible 120%, therefore 50% of the achievement level of the award vested on 2/15/2013, with 25% additional units of the achievement level of the award scheduled to vest on each of February 15, 2014 and February 15, 2015, subject solely to continued service. The shares which vested on February 15, 2013 were suject to a deferral arrangement and settled on April 8, 2013. ( 7 )The average price of $212.2143 consists of the following blocks of shares: 100 shares sold at $210.63, 100 at $210.655, 100 at $210.75, 100 at $210.76, 100 at $210.77, 100 at $210.812, 100 at $210.91, 100 at $210.93, 100 at $210.95, 100 at $210.96, 100 at $210.99, 100 at $211.02, 100 at $211.07, 100 at $211.1, 100 at $211.11, at 200 at $211.17, 100 at $211.23, 100 at $211.29, 100 at $211.512, 100 at $211.5125, 100 at $211.531, 100 at $211.54, 100 at $211.55, 100 at $211.67, 100 at $211.68, 100 at $211.77, 100 at $211.81, 100 at $211.82, 100 at $211.97, 100 at $212.07, 100 at $212.08, 15 at $212.1, 103 at $212.1013, 200 at $212.13, 100 at $212.15, 100 at $212.16, 100 at $212.182, 100 at $212.19, 100 at $212.37, 200 at $212.42, 200 at $212.44, 200 at $212.46, 100 at $212.475 and100 at $212.49. ( 8 )Additional blocks were: 100 at $212.503, 100 at $212.53, 100 at $212.54, 100 at $212.542, 100 at $212.56, 100 at $212.57, 100 at $212.59, 200 at $212.60, 100 at $212.61, 100 at $212.64, 100 at $212.65, 100 at $212.67, 200 at $212.73, 100 at $213.31, 100 at $213.32, 100 at $213.34, 100 at $213.37, 100 at $213.46, 100 at $213.943, 200 at $213.95, 100 at $214.03, 100 at $214.123, 100 at $214.14, 100 at $214.19, 100 at $214.25, 100 at $214.27 and7718 at $212.2143.

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