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*
Smith Stephen M
(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)
CEO & President
3. Date of Earliest Transaction (Month/Day/Year)
02/14/2011
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 02/14/2011 S(1) 20,152 D $91.0355(2)(3) 32,936(4) D
Common Stock 02/15/2011 M 24,000 A $0 56,936 D
Common Stock 02/16/2011 S(1) 11,220 D $91.3899(8) 45,716 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 (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 02/15/2011 M 10,000 (6) (5) Common Stock 10,000 $0 0 D
Restricted Stock Units $0 02/15/2011 M 14,000 (7) (5) Common Stock 14,000 $0 14,000 D
Explanation of Responses:
1. Shares sold pursuant to a 10b5-1 Trading Plan.
2. The average price of $91.0355 consists of the following blocks of shares: 100 shares sold at $90.37, 195 at $90.40, 500 at $90.44, 164 at $90.45, 300 at $90.48, 400 at $90.49, 100 at $90.50, 100 at $90.53, 200 at $90.55, 200 at $90.56, 200 at $90.57, 600 at $90.58, 300 at $90.59, 100 at $90.60, 200 at $90.61, 200 at $90.66, 100 at $90.67, 100 at $90.68, 100 at $90.69, 100 at $90.70, 100 at $90.72, 100 at $90.73, 131 at $90.74, 200 at $90.745, 400 at $90.77, 100 at $90.78, 500 at $90.79, 300 at $90.80, 100 at $90.82, 400 at $90.83, 100 at $90.84, 100 at $90.85, 200 at $90.87, 100 at $90.88, 100 at $90.885, 200 at $90.89, 100 at $90.90, 100 at $90.91, 200 at $90.92, 200 at $90.93, 104 at $90.94, 100 at $90.96, 100 at $90.97, 300 at $90.98, 100 at $90.985, 400 at $90.99, 100 at $90.995, 200 at $91.00, 400 at $91.01, 200 at $91.02, 100 at $91.03, 200 at $91.06, 200 at $91.07, 200 at $91.08, 200 at $91.09, 400 at $91.10, 16 at $91.11, 100 at $91.12, 300 at $91.13, 100 at $91.14.
3. Additional blocks of shares were 362 at $91.15, 238 at $91.16, 26 at $91.18, 200 at $91.19, 300 at $91.21, 100 at $91.23, 100 at $91.25, 500 at $91.27, 400 at $91.28, 300 at $91.29, 200 at $91.30, 100 at $91.31, 210 at $91.32, 417 at $91.33, 30 at $91.335, 770 at $91.34, 269 at $91.35, 100 at $91.36, 200 at $91.39, 100 at $91.40, 200 at $91.41, 300 at $91.42, 100 at $91.425, 500 at $91.43, 119 at $91.44, 100 at $91.45, 200 at $91.46, 100 at $91.50, 200 at $91.51, 100 at $91.53, 284 at $91.54, 200 at $91.56, 16 at $91.57, 200 at $91.58, 300 at $91.59, 200 at $91.60, 1 at $91.66, 100 at $91.70, 100 at $91.76 and 100 at $91.87.
4. Includes 259 shares acquired under the Equinix, Inc. Employee Stock Purchase Plan on August 13, 2010 and 252 shares acquired on February 14, 2011.
5. Restricted stock unit award expires upon reporting person's termination of employment.
6. On January 31, 2008, the reporting person was granted restricted stock units, the vesting of which was subject to both continued service and the attainment of certain revenue and EBITDA targets for 2008. These targets were achieved, therefore 50% of the award vested on February 13, 2009, with 25% additional units scheduled to vest on each of February 15, 2010 and February 15, 2011, subject solely to continued service.
7. On March 9, 2009, the reporting person was granted 56,000 restricted stock units, the vesting of which was subject to both continued service and the attainment of certain revenue and EBITDA targets for 2009. These targets were achieved to the maximum extent, therefore 50% of the award vested on 2/12/10, with 25% additional units scheduled to vest on each of February 15, 2011 and February 15, 2012, subject solely to continued service.
8. The average price of $91.3899 consists of the following blocks of shares: 100 shares sold at $90.74, 100 at $90.75, 100 at $90.87, 100 at $90.94, 100 at $90.98, 200 at $90.99, 100 at $91.01, 100 at $91.05, 100 at $91.08, 100 at $91.11, 100 at $91.12, 100 at $91.13, 100 at $91.14, 100 at $91.17, 100 at $91.23, 200 at $91.25, 195 at $91.26, 200 at $91.27, 100 at $91.28, 1,750 at $91.29, 5 at $91.305, 100 at $91.34, 100 at $91.35, 181 at $91.36, 719 at $91.37, 200 at $91.38, 200 at $91.40, 445 at $91.42, 400 at $91.43, 200 at $91.44, 100 at $91.46, 350 at $91.49, 700 at $91.51, 300 at $91.52, 500 at $91.53, 600 at $91.55, 100 at $91.56, 400 at $91.58, 200 at $91.59, 200 at $91.60, 100 at $91.61, 200 at $91.63, 100 at $91.64, 100 at $91.65, 100 at $91.66, 100 at $91.68, 100 at $91.69, 100 at $91.71, 100 at $91.74, 75 at $91.75 and 100 at $91.78.
Remarks:
Darrin B. Short, Attorney-in-Fact 02/16/2011
** 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).
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