Form 4: Glahn Ronald J reports multiple insider transactions in HLIT

Rhea-AI Filing Summary

Glahn Ronald J reported multiple insider transaction types in a Form 4 filing for HLIT. The filing lists transactions totaling 36,731 shares at a weighted average price of $10.68 per share. Following the reported transactions, holdings were 32,304 shares.

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

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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^*

Glahn Ronald J

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Global Sales, Broadband

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		16,151	A	$0	37,611	D
Common Stock	02/15/2026		F		4,429	D	$10.68	33,182	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			16,151	02/15/2026	02/15/2028	Common Stock	16,151	$0	32,304	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	02/17/2026
	** 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.

FAQ

What insider transactions did HLIT executive Ronald J. Glahn report?

Ronald J. Glahn reported an equity award vesting and related tax withholding. He exercised 16,151 restricted stock units into common shares and had 4,429 shares withheld at $10.68 each to satisfy taxes, all on February 15, 2026.

Did the HLIT Form 4 show Ronald J. Glahn buying or selling shares on the open market?

The Form 4 does not show open‑market buying or selling. It records an RSU conversion (code M) and a tax-withholding disposition (code F), where 4,429 shares were delivered at $10.68 to cover tax obligations from the vesting event.

How many Harmonic (HLIT) shares does Ronald J. Glahn own after this Form 4?

After the reported transactions, Ronald J. Glahn directly owned 33,182 shares of Harmonic common stock. He also continued to hold 32,304 restricted stock units, each representing a contingent right to receive one HLIT share in the future.

What is the significance of transaction code M in the HLIT Form 4 filing?

Transaction code M indicates an exercise or conversion of a derivative security. In this case, 16,151 restricted stock units converted into the same number of HLIT common shares at an exercise price of $0, reflecting a scheduled equity award vesting event.

What does transaction code F mean in Ronald J. Glahn’s HLIT Form 4?

Transaction code F reflects shares used to pay taxes or exercise costs. Glahn had 4,429 HLIT shares disposed of at $10.68 per share to satisfy tax liabilities arising from the RSU conversion, rather than conducting a discretionary market sale.

What are the restricted stock units reported in the HLIT insider filing?

The restricted stock units are equity awards where each unit represents a contingent right to receive one share of HLIT common stock. Vesting triggered the February 15, 2026 conversion of 16,151 units into common shares at an exercise price of $0.