Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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. Issuer Name and Ticker or Trading Symbol
Limelight Networks, Inc. [LLNW] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Technical Officer
(Last)
(First)
(Middle)
C/O LIMELIGHT NETWORKS, INC., 2220 W. 14ST STREET		 3. Date of Earliest Transaction (Month/Day/Year)
08/10/2010
(Street)

TEMPE, AZ 85821		 4. If Amendment, Date 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
(City)
(State)
(Zip)
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 08/10/2010   A   25,624 D $ 0 (1) 1,336,177 (2) D  
Common Stock 08/10/2010   S(3)   6,778 D $ 3.92 (3) 1,329,399 D  
Common Stock               850,017 I See footnote (4)
Common Stock               2,500,000 I See footnote (5)

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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 Underlying Securities
(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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Raciborski Nathan F
C/O LIMELIGHT NETWORKS, INC.
2220 W. 14ST STREET
TEMPE, AZ 85821		   X     Chief Technical Officer  

Signatures

 Nathan F. Raciborski by: /s/ James R. Todd, Attorney-in-Fact   08/12/2010
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) On June 1, 2009, Reporting Person was granted 85,000 performance-based restricted stock units, each representing a contingent right to receive one share of Limelight Networks common stock at no cost. The actual award could have been as low as 0 shares or as high as 85,000 shares based upon the achievement of certain revenue and adjusted EBIT performance metrics during the performance period. Following the conclusion of the performance period, it was determined that the performance was achieved at a level that entitled Reporting Person to be eligible to receive 90.4% of the award, or 76,874 shares. On August 10, 2010, the first 1/3 of the award vested and converted into 25,624 shares.
(2) The amount in this column previously reflected the entire June 1, 2010 award of 85,000 performance-based restricted stock units. It was determined that the performance was achieved at a level that entitled Reporting Person to be eligible to receive 90.4% of the award, or 76,874 shares. The amount currently in this column has been updated to reflect that 25,624 restricted stock units vested and were delivered to Reporting Person on August 10, 2010 and that 51,250 restricted stock units remain eligible to vest subject to service requirement.
(3) The sale reported in this row represents restricted stock units that were withheld by the Company solely for the purpose of satisfying tax obligations arising upon the automatic vesting of 25,624 restricted stock units.
(4) Shares held by the Raciborski Family Children's Irrevocable Trust dated October 16, 2009 for which the Reporting Person serves as a Trustee.
(5) Shares held directly by Nathan Raciborski Grantor Retained Annuity Trust dated December 15, 2009 for which the Reporting Person serves as a Trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
 
Remarks:
Executed pursuant to the Limited Power of Attorney for Section 16 reporting obligations dated June 3, 2009.

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