[Form 4] HARMONIC INC. Insider Trading Activity

Rhea-AI Filing Summary

Harmonic Inc. (HLIT) reported an insider equity transaction by its President and CEO, who is also a director. On 11/15/2025, the executive acquired 12,529 shares of common stock at an exercise price of $0, bringing direct beneficial ownership to 525,048 shares.

The transaction was linked to the vesting or exercise of derivative awards. Two blocks of restricted stock units (RSUs) were reported as exercised on 11/15/2025: one for 5,803 RSUs originally exercisable from 02/15/2024 to 02/15/2026, and another for 6,726 RSUs exercisable from 02/15/2025 to 02/15/2027, each converting into the same number of common shares at $0. After these transactions, 5,804 RSUs and 33,630 RSUs remain beneficially owned directly.

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
Estimated average burden
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^*

Ben-Natan Nimrod

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

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		12,529	A	$0	525,048	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			5,803	02/15/2024	02/15/2026	Common Stock	5,803	$0	5,804	D
Restricted Stock Units(1)	$0	11/15/2025		M			6,726	02/15/2025	02/15/2027	Common Stock	6,726	$0	33,630	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 Inc. (HLIT) report in this Form 4?

Harmonic Inc. reported that its President and CEO, who is also a director, acquired 12,529 shares of common stock on 11/15/2025 at an exercise price of $0, increasing direct beneficial ownership to 525,048 shares.

How many Harmonic (HLIT) shares does the reporting person own after the transaction?

Following the reported transactions, the executive directly and beneficially owns 525,048 shares of Harmonic Inc. common stock.

What restricted stock unit (RSU) awards were involved in the Harmonic (HLIT) Form 4?

The report shows two RSU awards exercised on 11/15/2025: one for 5,803 RSUs with a 02/15/2024 to 02/15/2026 window, and another for 6,726 RSUs with a 02/15/2025 to 02/15/2027 window, each converting into the same number of common shares at $0.

How many restricted stock units remain outstanding for the Harmonic (HLIT) insider?

After the reported transactions, the insider holds 5,804 remaining restricted stock units from one award and 33,630 from another award, all beneficially owned directly.

What does each restricted stock unit represent in the Harmonic (HLIT) filing?

The explanation states that each restricted stock unit represents a contingent right to receive one share of HLIT common stock.

Was the Harmonic (HLIT) Form 4 filed for one or multiple reporting persons?

The document indicates that the Form 4 was filed by one reporting person, as shown by the checked line under Individual or Joint/Group Filing.

What transaction code is used in the Harmonic (HLIT) Form 4 and what does it signify?

The transactions use the code M, which indicates the exercise or conversion of derivative securities, such as options or restricted stock units, into common stock.