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 *
Hatfield David
  2. Issuer Name and Ticker or Trading Symbol
Limelight Networks, Inc. [LLNW]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
SVP Products, Mrkting & Sales
(Last)
(First)
(Middle)
C/O LIMELIGHT NETWORKS, INC., 2220 W. 14ST STREET
3. Date of Earliest Transaction (Month/Day/Year)
05/13/2008
(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 05/13/2008   A   337,500 A (1) 337,500 D  

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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
Employee Stock Option (Right to Buy) $ 6.22 05/13/2008   D     450,000   (2) 04/02/2017 Common Stock 450,000 (1) 0 D  
Employee Stock Option (Right to Buy) $ 12 05/13/2008   D     187,500   (2) 04/02/2017 Common Stock 187,500 (1) 0 D  
Employee Stock Option (Right to Buy) $ 12 05/13/2008   D     37,500   (3) 04/02/2017 Common Stock 37,500 (1) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Hatfield David
C/O LIMELIGHT NETWORKS, INC.
2220 W. 14ST STREET
TEMPE, AZ 85821
      SVP Products, Mrkting & Sales  

Signatures

 /s/ Yvonne Martinez, Attorney-in-Fact   05/13/2008
**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 May 13, 2008, the Issuer cancelled, three (3) options granted to the Reporting Person on April 2, 2007. In exchange for the options, the Reporting Person received an aggregate of 337,500 restricted stock units (RSUs) of which 318,750 of the RSUs shall vest in six (6) equal bi-annual installments beginning on December 1, 2008 such that 318,750 of the RSUs shall be fully vested no later than June 1, 2011, and the remaining 18,750 of the RSUs shall vest according to the achievement of certain sales milestones. Each restricted stock unit represents a contingent right to receive one (1) share of the Issuer's Common Stock.
(2) The cancelled options provided for a vesting of one-fourth (1/4th) of the shares subject to the option shall vest on the one (1) month anniversary of the vesting commencement date of April 2, 2007 and one forty-eighth (1/48th) monthly thereafter.
(3) The cancelled option provided for a performance based vesting.

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