SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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1. Name and Address of Reporting Person^*

Kaplan Allan M

(Last)

(First)

(Middle)

C/O LIMELIGHT NETWORKS, INC.

2220 W. 14TH STREET

(Street)

TEMPE

85821

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
06/07/2007

3. Issuer Name and Ticker or Trading Symbol
Limelight Networks, Inc. [ LLNW ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Co-Founder and Director

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	3,000,002	I⁽¹⁾	By Allan Kaplan Grantor Retained Annuity Trust Dated October 17, 2006
Common Stock	244,580	I⁽²⁾	By Cocoon Capital LLC
Common Stock	937,500⁽³⁾	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:

1. Mr. Kaplan is a trustee of the Allan Kaplan Grantor Retained Annuity Trust Dated October 17, 2006 and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

2. Mr. Kaplan is a managing member of Cocoon Capital LLC and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

3. All shares vest 1/12th on the one month anniversary of the vesting commencement date of 07/12/2006 and 1/12th monthly thereafter.

Remarks:

The Date of Event is based upon the date of effectiveness of the Issuer's Registration Statement on Form S-1 filed in connection with the Issuer's initial public offering, estimated to be on or about June 7, 2007.

	/s/ Rita Tocco, Attorney-in-Fact for Allan M. Kaplan	06/07/2007
	** 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 5 (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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