Harmonic director granted 18,756 RSUs

GALLAGHER PATRICK reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

GALLAGHER PATRICK reported acquisition or exercise transactions in this Form 4 filing.

Harmonic Inc. director Patrick Gallagher received a grant of 18,756 restricted stock units, each representing one share of HLIT common stock. Following this award, he holds 18,756 RSUs directly. The units are scheduled to vest in full on February 15, 2027.

The vested RSUs will be settled in shares within 60 days after the earliest of a change-in-control event, Gallagher’s separation from service with the company, or his death. This is a compensation-related equity grant, not an open-market stock purchase or sale.

Insider Trade Summary

Grant/Award: 18,756 shares

Grant/Award 1 txn

Insider GALLAGHER PATRICK

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	18,756	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 18,756 contracts (Direct)

Footnotes (2)

1. F1. Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.
2. F2. The shares subject to the restricted stock units are scheduled to vest in full on February 15, 2027. The vested RSUs will be settled in shares within 60 days following the earliest to occur of (i) a change-in-control event, (ii) the director's separation from service from the company, or (iii) the director's death.

FAQ

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

What did Harmonic (HLIT) director Patrick Gallagher report on this Form 4?

Patrick Gallagher reported receiving 18,756 restricted stock units as equity compensation. Each RSU represents one share of Harmonic common stock, and this grant increased his directly held RSUs to 18,756 according to the filing’s post-transaction ownership line.

Is Patrick Gallagher buying or selling Harmonic (HLIT) shares in this filing?

He is not buying or selling shares on the open market in this filing. The transaction is a grant of 18,756 restricted stock units classified as an acquisition award, a standard form of non-cash director compensation tied to future share delivery.

When do Patrick Gallagher’s 18,756 Harmonic (HLIT) RSUs vest?

The 18,756 restricted stock units are scheduled to vest in full on February 15, 2027. Vesting means the award fully earns out on that date, subject to the applicable service and other conditions described in the company’s equity arrangements.

When will the vested Harmonic (HLIT) RSUs be settled into shares?

The vested RSUs will be settled in Harmonic common shares within 60 days after the earliest of a change-in-control event, Gallagher’s separation from service with the company, or his death, according to the detailed settlement terms disclosed.

How many Harmonic (HLIT) RSUs does Patrick Gallagher hold after this transaction?

After this grant, Patrick Gallagher holds 18,756 restricted stock units directly. The filing’s ownership table lists 18,756 as the total units beneficially owned following the transaction, all tied to this single RSU award reported.

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

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Accepted by SEC EDGAR 03/19/2026 - 01:49 PM Learn about SEC filing dates

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^*

GALLAGHER PATRICK

(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
	Officer (give title below)		Other (specify below)

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		18,756		02/15/2027(2)	02/15/2027	Common Stock	18,756	$0	18,756	D

Explanation of Responses:

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

2. The shares subject to the restricted stock units are scheduled to vest in full on February 15, 2027. The vested RSUs will be settled in shares within 60 days following the earliest to occur of (i) a change-in-control event, (ii) the director's separation from service from the company, or (iii) the director's death.

	/s/ Wendi Ninh, Attorney-in-Fact	03/19/2026
	** 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)