[Form 4] HARMONIC INC. Insider Trading Activity

Rhea-AI Filing Summary

Harmonic Inc. (HLIT) reported an insider equity transaction by its Chief Financial Officer on a Form 4. On 11/15/2025, the CFO acquired 11,289 shares of common stock at $0 per share through the exercise of equity awards and then disposed of 5,666 shares at $9.56 per share, likely to cover tax obligations, leaving 103,437 common shares held directly. The filing also shows activity in restricted stock units, with 3,218 and 8,071 units converted, and remaining holdings of 12,870 and 40,355 restricted stock units, each representing the right to receive one HLIT common share.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Jankovic Walter

(Last) (First) (Middle)

2590 ORCHARD PARKWAY

(Street)

SAN JOSE CA 95131

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
HARMONIC INC. [ HLIT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/15/2025

4. If Amendment, Date of 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

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	11/15/2025		M		11,289	A	$0	109,103	D
Common Stock	11/15/2025		F		5,666	D	$9.56	103,437	D

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 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: 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	11/15/2025		M			3,218	11/15/2024	11/15/2026	Common Stock	3,218	$0	12,870	D
Restricted Stock Units(1)	$0	11/15/2025		M			8,071	02/15/2025	02/15/2027	Common Stock	8,071	$0	40,355	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.

	/s/ Wendi Ninh, Attorney-in-Fact	11/18/2025
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Harmonic (HLIT) report on this Form 4?

The Form 4 reports that Harmonic’s Chief Financial Officer completed equity award transactions on 11/15/2025, involving common stock and restricted stock units.

How many Harmonic (HLIT) common shares did the CFO acquire and sell?

The CFO acquired 11,289 shares of Harmonic common stock at $0 per share and disposed of 5,666 shares at a price of $9.56 per share.

How many Harmonic (HLIT) shares does the CFO own after the reported transaction?

Following the reported transactions, the CFO directly owns 103,437 shares of Harmonic common stock.

What happened to the CFO’s restricted stock units in this Harmonic (HLIT) filing?

The filing shows the exercise of 3,218 and 8,071 restricted stock units, with remaining holdings of 12,870 and 40,355 restricted stock units.

What does each restricted stock unit (RSU) represent for Harmonic (HLIT)?

Each restricted stock unit represents a contingent right to receive one share of Harmonic (HLIT) common stock.

Who signed the Harmonic (HLIT) Form 4 for this transaction?

The Form 4 was signed by /s/ Wendi Ninh, acting as Attorney-in-Fact for the reporting person.