Harmonic director exercises 16,143 stock units

HARMONIC INC. director Daniel T. Whalen reported exercising restricted stock units into common shares.

Rhea-AI Filing Summary

HARMONIC INC. director Daniel T. Whalen reported exercising restricted stock units into common shares. He converted 16,143 restricted stock units, with each unit representing a contingent right to receive one share of HLIT common stock, into 16,143 shares of common stock at a stated price of $0.00 per share.

Following this derivative exercise and related issuance, his directly held common stock position increased to 29,983 shares. The filing reflects an equity award settlement rather than an open-market purchase or sale.

Insider Trade Summary

16,143 shares exercised/converted

Exercise 2 txns

Insider Whalen Daniel T

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	16,143	$0.00	$0.00
Exercise	Common Stock	16,143	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 0 contracts (Direct); Common Stock — 29,983 shares (Direct)

Footnotes (1)

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

FAQ

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What insider transaction did HARMONIC INC. (HLIT) report for Daniel T. Whalen?

HARMONIC INC. reported that director Daniel T. Whalen exercised 16,143 restricted stock units, converting them into 16,143 shares of common stock at a stated price of $0.00 per share, reflecting settlement of an equity award rather than an open-market trade.

How many HARMONIC INC. (HLIT) shares does Daniel T. Whalen own after this Form 4?

After the reported transactions, Daniel T. Whalen directly holds 29,983 shares of HARMONIC INC. common stock. This figure reflects the issuance of 16,143 shares upon exercise of restricted stock units, as disclosed in the Form 4 insider filing for the director.

What type of securities did Daniel T. Whalen exercise in the HARMONIC INC. Form 4?

Daniel T. Whalen exercised restricted stock units, described as a contingent right to receive one share of HARMONIC INC. common stock per unit. The exercise converted 16,143 restricted stock units into an equal number of common shares at a stated price of $0.00 per share.

Was the HARMONIC INC. (HLIT) Form 4 transaction an open-market stock purchase or sale?

The Form 4 indicates a derivative exercise, not an open-market trade. Daniel T. Whalen converted 16,143 restricted stock units into common shares at $0.00 per share, classified under transaction code M for exercise or conversion of a derivative security.

What does transaction code M mean in the HARMONIC INC. (HLIT) Form 4?

Transaction code M in the HARMONIC INC. Form 4 denotes the exercise or conversion of a derivative security. In this case, Daniel T. Whalen exercised 16,143 restricted stock units, resulting in issuance of 16,143 common shares at a stated price of $0.00 per share.

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Accepted by SEC EDGAR 02/18/2026 - 05:55 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 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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/15/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/15/2026		M		16,143	A	$0	29,983	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	02/15/2026		M			16,143	02/15/2026	02/15/2026	Common Stock	16,143	$0	0	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	02/18/2026
	** 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.