Harmonic (HLIT) SVP Neven Haltmayer converts RSUs, withholds shares for taxes

Rhea-AI Filing Summary

Harmonic Inc. senior vice president Neven Haltmayer reported equity award activity involving restricted stock units and common shares. On March 1, 2026, 2,724 restricted stock units were exercised at $0.00 per unit, converting into 2,724 shares of common stock. To cover tax obligations related to this vesting, 1,451 common shares were disposed of at $10.63 per share through tax withholding, rather than an open-market sale. After these transactions, Haltmayer directly owned 165,690 shares of Harmonic common stock.

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^*

Haltmayer Neven

(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 & GM, Video Business

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

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	03/01/2026		M		2,724	A	$0	167,141	D
Common Stock	03/01/2026		F		1,451	D	$10.63	165,690	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	03/01/2026		M			2,724	06/01/2025	06/01/2027	Common Stock	2,724	$0	13,622	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	03/03/2026
	** 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 did Harmonic (HLIT) executive Neven Haltmayer report on this Form 4?

Neven Haltmayer reported the vesting and exercise of restricted stock units and related tax withholding in Harmonic shares. The filing details derivative conversion into common stock and a non-open-market share disposal to satisfy tax obligations tied to the equity award.

How many Harmonic (HLIT) restricted stock units did Neven Haltmayer convert?

Neven Haltmayer converted 2,724 restricted stock units into 2,724 shares of Harmonic common stock. Each unit represented the right to receive one share, and the conversion occurred at a stated exercise price of $0.00 per share on March 1, 2026.

Were any Harmonic (HLIT) shares sold on the open market in this Form 4?

No open-market sale was reported. The filing shows 1,451 Harmonic common shares disposed of under code F, meaning they were withheld at $10.63 per share to cover tax liabilities from the restricted stock unit vesting event.

What was the tax-withholding transaction in Harmonic (HLIT) shares?

The tax-withholding transaction involved disposing of 1,451 Harmonic common shares at $10.63 per share. This code F transaction indicates shares were delivered to satisfy tax obligations from the equity award vesting, not sold through a discretionary market trade.

How many Harmonic (HLIT) shares does Neven Haltmayer own after these transactions?

Following the reported transactions, Neven Haltmayer directly owned 165,690 shares of Harmonic common stock. This ending balance reflects the newly acquired shares from restricted stock units minus the shares withheld to cover associated tax liabilities on March 1, 2026.

What does transaction code M mean in the Harmonic (HLIT) Form 4?

Transaction code M indicates the exercise or conversion of a derivative security, such as restricted stock units, into common shares. In this case, 2,724 restricted stock units were converted into 2,724 Harmonic common shares at a stated price of $0.00 per share.