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 * LENTO ROBERT A   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) CEO (Last) (First) (Middle) C/O LIMELIGHT NETWORKS, INC., 222 SOUTH MILL AVENUE, 8TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 03/01/2018 (Street) TEMPE, AZ 85281 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 03/01/2018   F(1)   33,461 D $ 3.97 1,979,953 (2) D   Common Stock 03/01/2018   S(3)   40,000 D $ 4 (4) 1,939,953 (2) D   Common Stock               18,468 I (5) By: Daughter Common Stock               18,468 I (5) By: Son

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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
LENTO ROBERT A C/O LIMELIGHT NETWORKS, INC. 222 SOUTH MILL AVENUE, 8TH FLOOR TEMPE, AZ 85281	X		CEO

Signatures

Robert A. Lento by: James R. Todd, Attorney-In-Fact		03/05/2018
**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)	The forfeiture 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 83,234 restricted stock units.
(2)	This includes 693,347 unvested restricted stock units
(3)	Shares sold pursuant to 10b5-1 plan adopted on December 1, 2017.
(4)	Price reflected is the weighted-average sale price for shares sold. The shares were sold in multiple transactions, and the range of sale prices for the transactions reported was $3.92 to $4.08. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or any staff member of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each separate price.
(5)	Shares held directly by Reporting Person's adult children. The Reporting Person disclaims beneficial ownership of these securities.
Remarks: Executed pursuant to the Limited Power of Attorney for Section 16 reporting obligations dated November 26, 2012.

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