SEC Form 4
FORM 4 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
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
FERRIS PETER
(Last) (First) (Middle)
ONE LAGOON DRIVE
(Street)
REDWOOD CITY CA 94065
(City) (State) (Zip)
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)
Chief Sales Officer
3. Date of Earliest Transaction (Month/Day/Year)
02/21/2012
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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 02/21/2012 S 30,000 D $133.4853(1) 22,423 D
Common Stock 02/22/2012 M 6,000 A $0 28,423 D
Common Stock 02/23/2012 S(2) 2,802 D $133.4627(3) 25,621 D
Common Stock 276 I As custodian for children's shares
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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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 (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (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: 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 02/21/2012 A 12,000 (4) (5) Common Stock 12,000 $0 12,000 D
Restricted Stock Units $0 02/22/2012 M 6,000 (4) (5) Common Stock 6,000 $0 6,000 D
Explanation of Responses:
1. The average price of $133.4853 consists of the following blocks of shares: 300 shares sold at $133.295, 100 at $133.32, 200 at $133.33, 500 at $133.34, 300 at $133.35, 1353 at $133.36, 900 at $133.37, 700 at $133.38, 100 at $133.382, 5100 at $133.40, 500 at $133.42, 200 at $133.421, 400 at $133.425, 600 at $133.43, 100 at $133.44, 100 at $133.4413, 500 at $133.445, 5500 at $133.45, 700 at $133.46, 300 at $133.47, 600 at $133.48, 800 at $133.49, 400 at $133.50, 700 at $133.51, 100 at $133.52, 200 at $133.53, 433 at $133.54, 100 at $133.55, 300 at $133.56, 100 at $133.58, 400 at $133.59, 300 at $133.60, 500 at $133.61, 2712 at $133.64, 900 at $133.65, 1600 at $133.66, 500 at $133.67, 400 at $133.68, 402 at $133.69 and 100 at $133.70.
2. Shares were sold pursuant to a 10b5-1 Plan in order to raise funds to pay the required withholding tax pursuant to the vesting of RSUs.
3. The average price of $133.4627 consists of the following blocks of shares: 100 shares sold at $132.88, 100 at $133.13, 100 at $133.16, 100 at $133.18, 100 at $133.30, 300 at $133.36, 100 at $133.37, 600 at $133.40, 100 at $133.41, 100 at $133.42, 100 at $133.43, 100 at $133.44, 100 at $133.46, 100 at $133.53, 100 at $133.60, 100 at $133.70, 100 at $133.79, 2 at $133.80, 100 at $133.81, 100 at $133.85, 100 at $133.98, and 100 at $134.03.
4. 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, 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.
5. Restricted stock unit award expires upon reporting person's termination of employment.
Remarks:
Darrin B. Short, Attorney-in-Fact 02/23/2012
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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