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 *
HARSHMAN PATRICK
  2. Issuer Name and Ticker or Trading Symbol
HARMONIC INC [HLIT]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President and CEO
(Last)
(First)
(Middle)
4300 NORTH FIRST STREET
3. Date of Earliest Transaction (Month/Day/Year)
03/13/2015
(Street)

SAN JOSE, CA 95134
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 03/13/2015   M   7,000 A $ 5.86 403,504 D  
Common Stock 03/13/2015   M   41,674 A $ 5.86 445,175 D  
Common Stock 03/13/2015   S   35,724 D $ 7.5761 409,451 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
Restricted Stock Units (1) $ 0 03/13/2015   A   60,000   02/15/2016(2) 02/15/2018 Common Stock 60,000 $ 0 60,000 D  
Stock Option/Right to buy $ 7.58 03/13/2015   A   266,667   02/15/2016(3) 03/13/2022 Common Stock 266,667 $ 7.58 266,667 D  
Restricted Stock Units (1) $ 0 03/13/2015   A   60,000   02/15/2016(4) 02/15/2016(4) Common Stock 60,000 $ 0 60,000 D  
Stock Option/Right to buy $ 5.86 03/13/2015   M     48,674 05/03/2006(5) 05/03/2015 Common Stock 48,674 $ 5.86 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
HARSHMAN PATRICK
4300 NORTH FIRST STREET
SAN JOSE, CA 95134
  X     President and CEO  

Signatures

 /s/ Laura Donovan By Attorney-in-Fact: Laura Donovan   03/17/2015
**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) Each restricted stock unit represents a contingent right to receive one share of Harmonic common stock.
(2) Forty percent of the shares subject to the restricted stock units are scheduled to vest on February 15, 2016, and fifteen percent of the restricted stock units are scheduled to vest semi-annually thereafter so as to be 100% vested on February 15, 2018.
(3) Twenty-five percent of the Shares subject to the Option are scheduled to vest twelve months after the Vesting Commencement Date, and one forty eighth of the Shares subject to the Option are scheduled to vest monthly thereafter.
(4) The RSUs will vest between 50% and 100% of the total grant based on performance against the Company's fiscal year 2015 revenue targets, as determined by the Compensation Committee of the Company on or before 2/15/2016.
(5) These shares of common stock were acquired upon the exercise of stock options on 3/13/2015 that were scheduled to expire on 5/03/2015. These options were initially granted to the Reporting Person on 5/3/2005, and were identified on a Form 4 filed by the Reporting Person on 5/4/2005.

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