Harmonic CEO granted 281,343 restricted stock units

Ben-Natan Nimrod reported acquisition or exercise transactions in this Form 4 filing.

Accepted by SEC EDGAR 03/18/2026 - 09:54 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Ben-Natan Nimrod reported acquisition or exercise transactions in this Form 4 filing.

HARMONIC INC. President and CEO Nimrod Ben-Natan reported a compensation-related award of 281,343 restricted stock units, each representing a contingent right to receive one share of HLIT common stock. One third of these RSUs are scheduled to vest on February 15, 2027, with roughly 8.33% of the remainder vesting every three months so that the grant becomes fully vested on the third anniversary of the RSU vesting commencement date.

Insider Trade Summary

Grant/Award: 281,343 shares

Grant/Award 1 txn

Insider Ben-Natan Nimrod

Role President and CEO

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	281,343	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 281,343 contracts (Direct)

Footnotes (2)

1. F1. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.
2. F2. One third (33.33%) of the Shares subject to the Restricted Stock Units are scheduled to vest on 2/15/2027, and approximately 8.33% of the remaining Restricted Stock Units will vest each three months thereafter, so as to be 100% vested on the third anniversary of the RSU Vesting Commencement Date.

FAQ

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

What insider transaction did HLIT CEO Nimrod Ben-Natan report on this Form 4?

Nimrod Ben-Natan reported receiving a grant of 281,343 restricted stock units. These RSUs are a form of equity compensation that can convert into the same number of Harmonic common shares if vesting conditions are satisfied over time.

How many Harmonic (HLIT) restricted stock units were granted to the CEO?

The CEO was granted 281,343 restricted stock units. Each unit represents a contingent right to receive one share of HLIT common stock, aligning a significant portion of his compensation with the company’s future share performance and long-term value creation.

When do the newly granted HLIT restricted stock units start vesting?

One third of the granted restricted stock units are scheduled to vest on February 15, 2027. After this initial vesting, additional portions vest quarterly, subject to the detailed schedule and any continued service or other conditions tied to the award.

What is the vesting schedule for Nimrod Ben-Natan’s 281,343 HLIT RSUs?

One third (33.33%) of the RSUs vest on February 15, 2027. About 8.33% of the remaining units then vest every three months, so the grant becomes fully vested on the third anniversary of the RSU vesting commencement date.

Does the HLIT CEO’s RSU grant involve an immediate cash transaction or share purchase?

The RSU grant does not reflect an open-market share purchase or sale. It is a stock-based compensation award at a stated price of zero, which may convert into common shares only as the units vest according to the disclosed schedule.

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

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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
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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^*

Ben-Natan Nimrod

(Last) (First) (Middle)

2590 ORCHARD PARKWAY

(Street)

SAN JOSE CALIFORNIA 95131

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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

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	03/16/2026		A		281,343		02/15/2027(2)	02/15/2029	Common Stock	281,343	$0	281,343	D

Explanation of Responses:

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

2. One third (33.33%) of the Shares subject to the Restricted Stock Units are scheduled to vest on 2/15/2027, and approximately 8.33% of the remaining Restricted Stock Units will vest each three months thereafter, so as to be 100% vested on the third anniversary of the RSU Vesting Commencement Date.

	/s/ Wendi Ninh, Attorney-in-Fact	03/18/2026
	** 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.
* Form 4: SEC 1474 (03-26)