Harmonic director granted 18,756 RSUs in HLIT stock

Whalen Daniel T reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Whalen Daniel T reported acquisition or exercise transactions in this Form 4 filing.

Harmonic Inc. director Daniel T. Whalen received a grant of 18,756 restricted stock units (RSUs) tied to HLIT common stock. Each RSU represents the right to receive one share of common stock at no purchase price. The RSUs are scheduled to vest in full on February 15, 2027, with vested shares delivered to Whalen on or immediately after that date. Following this award, he holds 18,756 RSUs directly, reflecting a compensation-related equity grant rather than an open-market stock purchase or sale.

Insider Trade Summary

Grant/Award: 18,756 shares

Grant/Award 1 txn

Insider Whalen Daniel T

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. Vested shares will be delivered to the reporting person on or immediately following February 15, 2027.

FAQ

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

What insider transaction did Harmonic Inc. (HLIT) report for Daniel T. Whalen?

Harmonic Inc. reported that director Daniel T. Whalen received 18,756 restricted stock units as an equity grant. Each unit represents a contingent right to one HLIT common share, reflecting compensation rather than an open-market stock purchase or sale.

How many restricted stock units did Daniel T. Whalen receive from Harmonic Inc. (HLIT)?

Daniel T. Whalen received 18,756 restricted stock units from Harmonic Inc. These RSUs give him a right to receive the same number of HLIT common shares in the future, subject to the specified vesting schedule and continued service conditions.

When do Daniel T. Whalen’s Harmonic Inc. (HLIT) RSUs vest?

The 18,756 restricted stock units granted to Daniel T. Whalen are scheduled to vest in full on February 15, 2027. On or immediately after that date, Harmonic Inc. will deliver the corresponding HLIT common shares to him, assuming vesting conditions are satisfied.

Is Daniel T. Whalen’s Harmonic Inc. (HLIT) RSU grant an open-market stock purchase?

No, the transaction is a grant of 18,756 restricted stock units, not an open-market purchase. RSUs are a form of equity compensation that convert into HLIT common shares upon vesting, typically at no cash cost to the recipient at the time of grant.

What is Daniel T. Whalen’s Harmonic Inc. (HLIT) position after this RSU award?

After the award, Daniel T. Whalen directly holds 18,756 restricted stock units linked to HLIT common stock. These RSUs will convert into the same number of shares when they vest on February 15, 2027, adding to his potential future equity stake in Harmonic.

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

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Accepted by SEC EDGAR 03/18/2026 - 09:48 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^*

Whalen Daniel T

(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. Vested shares will be delivered to the reporting person on or immediately following February 15, 2027.

	/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)