Harmonic CEO exercises 20,032 stock units

Harmonic Inc. President and CEO Nimrod Ben-Natan exercised restricted stock units into common shares.

Accepted by SEC EDGAR 03/13/2026 - 06:24 PM EDT

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Rhea-AI Filing Summary

Harmonic Inc. President and CEO Nimrod Ben-Natan exercised restricted stock units into common shares. On March 11, 2026 he converted 20,032 restricted stock units, receiving 20,032 shares of Harmonic common stock at a stated price of $0.00 per share. Following the transactions, he holds 655,525 shares of common stock and 100,160 restricted stock units directly. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.

Insider Trade Summary

20,032 shares exercised/converted

Exercise 2 txns

Insider Ben-Natan Nimrod

Role President and CEO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	20,032	$0.00	$0.00
Exercise	Common Stock	20,032	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 100,160 contracts (Direct); Common Stock — 655,525 shares (Direct)

Footnotes (1)

F1. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Harmonic (HLIT) CEO Nimrod Ben-Natan report?

Nimrod Ben-Natan reported exercising 20,032 restricted stock units on March 11, 2026, receiving 20,032 Harmonic common shares at a stated price of $0.00 per share. This was a derivative exercise/conversion, not an open-market purchase or sale.

How many Harmonic (HLIT) shares does the CEO hold after this Form 4?

After the March 11, 2026 transactions, Nimrod Ben-Natan directly holds 655,525 shares of Harmonic common stock. He also holds 100,160 restricted stock units, each representing a contingent right to receive one additional share of HLIT common stock in the future.

Was the Harmonic (HLIT) CEO’s Form 4 transaction a stock sale?

No, the Form 4 shows no open-market sale. It reports the exercise and conversion of 20,032 restricted stock units into 20,032 shares of Harmonic common stock at a stated price of $0.00 per share, increasing the CEO’s direct share holdings.

What are restricted stock units in the Harmonic (HLIT) CEO’s filing?

Each restricted stock unit in the filing represents a contingent right to receive one share of HLIT common stock. When the units vest and are exercised, they convert into common shares, as occurred with the 20,032 units exercised on March 11, 2026 by the CEO.

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

Following the March 11, 2026 exercise, Nimrod Ben-Natan holds 100,160 restricted stock units. These units each correspond to a potential future share of Harmonic common stock, subject to the applicable vesting and settlement conditions described in the company’s equity plans.

What does transaction code "M" mean in the Harmonic (HLIT) Form 4?

Transaction code “M” in this Form 4 indicates the exercise or conversion of a derivative security. Here, it reflects the CEO’s conversion of 20,032 restricted stock units into 20,032 shares of Harmonic common stock, rather than a typical open-market buy or sell order.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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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

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)
03/11/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/11/2026		M		20,032	A	$0	655,525	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units⁽¹⁾	$0	03/11/2026		M			20,032	06/11/2025	06/11/2027	Common Stock	20,032	$0	100,160	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	03/13/2026
	** 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.

Source: View Original Filing on SEC EDGAR