Ownership Submission
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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Raciborski Nathan F
 2. Date of Event Requiring Statement (Month/Day/Year)
06/07/2007		 3. Issuer Name and Ticker or Trading Symbol
Limelight Networks, Inc. [LLNW]
(Last)
(First)
(Middle)
C/O LIMELIGHT NETWORKS, INC., 2220 W. 14TH STREET		 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, Chief Tech and Dir
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

TEMPE, AZ 85821		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
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 750,000
D
 
Common Stock 937,500 (1)
D
 
Common Stock 3,465,311
I (2)
By Nathan Raciborski Grantor Retained Annuity Trust Dated October 17, 2006
Common Stock 244,580
I (3)
By Cocoon Capital LLC

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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 of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Nonqualified Stock Option (Right to Buy)   (4) 06/07/2017 Common Stock 400,000 $ 15 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Raciborski Nathan F
C/O LIMELIGHT NETWORKS, INC.
2220 W. 14TH STREET
TEMPE, AZ 85821		   X     Co-Founder, Chief Tech and Dir  

Signatures

/s/ Rita Tocco, Attorney-in-Fact for Nathan Raciborski 06/07/2007
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) All shares vest 1/12th on the one month anniversary of the vesting commencement date of 07/12/2006 and 1/12th monthly thereafter.
(2) Mr. Raciborski is a trustee of the Nathan Raciborski Grantor Retained Annuity Trust Dated October 17, 2006 and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
(3) Mr. Raciborski is a member manager of Cocoon Capital LLC and disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
(4) All shares vest 1/4th on the one year anniversary of the vesting commencement date of 6/7/07 and 1/48th 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.

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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