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*
STARK MICHAEL J

(Last) (First) (Middle)
TWO EMBARCADERO CENTER
SUITE 2200

(Street)
SAN FRANCISCO CA 94111

(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)
X Director 10% Owner
Officer (give title below) X Other (specify below)
Affiliate of Director
3. Date of Earliest Transaction (Month/Day/Year)
03/02/2006
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X 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 03/02/2006 S 86 D $52.7576 0 D(1)
Common Stock 03/02/2006 S 173 D $52.36 63 D(2)
Common Stock 03/06/2006 S 1,436 D $51.78 0 D(3)
Common Stock 03/16/2006 G 1,000 D $54.09 33,479 D(4)
Common Stock 05/03/2006 S 63 D $62.2 0 D(2)
Common Stock 05/15/2006 S 400 D $61.9 561 D(5)
Common Stock 10/16/2006 G 500 D $63.81 32,479 D(4)
Common Stock 11/15/2006 S 5,000 D $73.4583 390,488 I See Notes(6)(7)(8)
Common Stock 12/12/2006 G 500 D $77.75 31,979 D(4)
Common Stock 12/13/2006 S 700 D $78.0627 773 D(9)
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
1. Name and Address of Reporting Person*
STARK MICHAEL J

(Last) (First) (Middle)
TWO EMBARCADERO CENTER
SUITE 2200

(Street)
SAN FRANCISCO CA 94111

(City) (State) (Zip)
1. Name and Address of Reporting Person*
BLISKA THOMAS EDWARD

(Last) (First) (Middle)

(Street)

(City) (State) (Zip)
1. Name and Address of Reporting Person*
DUNN DANIEL JOHN

(Last) (First) (Middle)

(Street)

(City) (State) (Zip)
1. Name and Address of Reporting Person*
Epstein David

(Last) (First) (Middle)
TWO EMBARCADERO
SUITE 2200

(Street)
SAN FRANCISCO CA 94111

(City) (State) (Zip)
1. Name and Address of Reporting Person*
Feuille James

(Last) (First) (Middle)
TWO EMBARCADERO
SUITE 2200

(Street)
SAN FRANCISCO CA 94111

(City) (State) (Zip)
1. Name and Address of Reporting Person*
HROMADKO GARY

(Last) (First) (Middle)
301 VELOCITY WAY 5TH FLOOR

(Street)
FOSTER CITY CA 94404

(City) (State) (Zip)
1. Name and Address of Reporting Person*
KAUFMAN SEYMOUR F

(Last) (First) (Middle)

(Street)

(City) (State) (Zip)
Explanation of Responses:
1. These securities are beneficially owned directly by Daniel John Dunn, whose relationship to the reporting persons is described in Notes 6, 7 and 8.
2. These securities are beneficially owned directly by Thomas Edward Bliska, whose relationship to the Reporting Persons is described in Notes 6, 7 and 8.
3. These securities are directly beneficially owned by Seymour F. Kaufman, whose relationship to the reporting persons is described in Notes 6, 7 and 8.
4. These securities are directly beneficially owned by Michael J. Stark, whose relationship to the Reporting Persons is describe in Notes 6, 7 and 8.
5. These Securities are directly beneficially owned by David I. Epstein, whose relationship to the Reporting Persons is described in Notes 6, 7 and 8.
6. The reporting persons (the "Reporting Persons") are Crosslink Capital, Inc. ("Crosslink"), Crossover Fund III Management, L.L.C. ("Crossover III Management"), Crosslink Ventures IV Holdings, L.L.C. ("Ventures IV Holdings"), Crosslink Verwaltungs GmbH ("Verwaltungs"), Michael J. Stark, Seymour F. Kaufman, James Feuille, David I. Epstein, Daniel John Dunn, Thomas Edward Bliska and Gary Hromadko.
7. Crosslink is an investment adviser to investment funds of which Crossover III Management, Ventures IV Holdings or Verwaltungs is the general partner, manager or holder of Class B Units, and other investment funds. Crossover III Management is also the investment adviser to investment funds. Mr. Stark and Mr. Kaufman are control persons of Crosslink. Mr. Stark, Mr. Kaufman, Mr. Bliska, Mr. Dunn, Mr. Feuille and Mr. Epstein are control persons of Crossover III Management. Mr. Stark is a control person of Ventures IV Holdings and Verwaltungs. Mr. Hromadko is a member of the Issuer's board of directors and serves as the representative of the Reporting Persons.
8. The Reporting Persons are filing this Form 4 jointly, but not as members of a group, and each of them disclaims membership in a group. These securities are held directly by investment funds to which Crosslink or Crossover III Management is investment adviser for the benefit of the investors in those funds. These securities are indirectly beneficially owned by Crosslink or Crossover III Management as the investment adviser to the Funds, by Crossover III Management, Ventures IV Holdings and Verwaltungs as the general partner, manager or holder of Class B Units of the Funds, and by Mr. Stark, Mr. Kaufman, Mr. Feuille, Mr. Epstein, Mr. Bliska and Mr. Dunn as the control persons of those entities. Each Reporting Person disclaims beneficial ownership of such securities except to the extent of that person's pecuniary interest therein.
9. These securities are directly beneficially owned by James Feuille, whose relationship to the Reporting Persons is described in Notes 6, 7 and 8.
Michael J. Stark 03/08/2007
Thomas Edward Bliska 03/08/2007
Daniel John Dunn 03/08/2007
David Epstein 03/08/2007
James Feuille 03/08/2007
Gary Hromadko 03/08/2007
Seymour F. Kaufman 03/08/2007
** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.