SEC FORM 4

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^*

TAYLOR KEITH D

(Last)

(First)

(Middle)

ONE LAGOON DRIVE

(Street)

REDWOOD CITY

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 Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/15/2011

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	02/15/2011		M		12,750	A	$0	58,498⁽¹⁾	D
Common Stock	02/16/2011		S⁽²⁾		7,268	D	$91.3624⁽³⁾	51,230	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	$0	02/15/2011		M			4,000	⁽⁴⁾	⁽⁵⁾	Common Stock	4,000	$0	0	D
Restricted Stock Units	$0	02/15/2011		M			8,750	⁽⁶⁾	⁽⁵⁾	Common Stock	8,750	$0	8,750	D

Explanation of Responses:

1. Includes 488 shares acquired under the Equinix, Inc. Employee Stock Purchase Plan on February 14, 2011.

2. Shares sold pursuant to a 10b5-1 Trading Plan.

3. The average price of $91.3624 consists of the following blocks of shares: 100 shares sold at $90.73, 100 at $90.75, 100 at $90.76, 100 at $90.78, 100 at $90.99, 200 at $91.12, 100 at $91.14, 100 at $91.16, 40 at $91.18, 100 at $91.19, 60 at $91.21, 200 at $91.23, 450 at $91.27, 500 at $91.28, 811 at $91.29, 100 at $91.34, 100 at $91.36, 200 at $91.37, 100 at $91.38, 100 at $91.39, 100 at $91.40, 288 at $91.41, 65 at $91.42, 300 at $91.43, 200 at $91.44, 350 at $91.45, 100 at $91.48, 200 at $91.49, 200 at $91.53, 700 at $91.54, 100 at $91.56, 100 at $91.57, 100 at $91.58, 200 at $91.59, 100 at $91.61, 100 at $91.62, 100 at $91.63, 100 at $91.65, 100 at $91.66, 4 at $91.71 and 100 at $91.78.

4. 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.

5. Restricted stock unit award expires upon reporting person's termination of employment.

6. On March 9, 2009, 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 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.

Remarks:

	Darrin B. Short, Attorney-in-Fact	02/17/2011
	** 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).
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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