Statement of Changes in Beneficial Ownership (4)

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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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 (MM/DD/YYYY) 11/15/2017
(Street) SAN JOSE, CA 95134 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _ X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	11/15/2017		M		11774   (1)	A	$0.00	586301	D
Common Stock	11/16/2017		S (2)		4481   (2)	D	$3.8091	581820	D
Common Stock	11/15/2017		M		63466   (3)	A	$0.00	645286	D
Common Stock	11/16/2017		S (2)		25394   (2)	D	$3.8091	619892	D

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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 Unit	$0.00	11/15/2017		M			11774	2/15/2017	2/15/2018	Common Stock	11774	$0.00	11774	D

Explanation of Responses:
(1)	These shares of common stock were acquired upon the vesting of restricted stock units on 11/15/2017. These restricted stock units were initially granted to the Reporting Person on 3/14/2016, and were identified on a Form 4 filed by the Reporting Person on 3/16/2016.
(2)	Represents the number of shares automatically sold to cover tax withholding obligations in connection with the vesting of restricted stock units. This sale is mandated by the Issuer's election under its 1995 Stock Plan to enable the satisfaction of tax withholding obligations with funding from a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.
(3)	These shares of common stock were acquired upon the vesting of performance-based restricted stock units on 11/15/2017.

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		11/17/2017
** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	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).
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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