Harmonic (HLIT) CFO exercises RSUs and ends holding 141,539 shares

Rhea-AI Filing Summary

Harmonic Inc. Chief Financial Officer Walter Jankovic exercised restricted stock units into common shares and covered related taxes with stock. He converted 1,457 restricted stock units, receiving the same number of common shares. Of these, 513 shares were withheld at $9.34 per share to satisfy tax obligations. After these routine compensation-related transactions, he directly holds 141,539 shares of common stock and 7,285 restricted stock units.

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^*

Jankovic Walter

(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)
	Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
03/11/2026

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	03/11/2026		M		1,457	A	$0	142,052	D
Common Stock	03/11/2026		F		513	D	$9.34	141,539	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	03/11/2026		M			1,457	06/11/2025	06/11/2027	Common Stock	1,457	$0	7,285	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	03/13/2026
	** 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 transaction did Harmonic (HLIT) CFO Walter Jankovic report?

Walter Jankovic reported exercising 1,457 restricted stock units into Harmonic common stock. This compensation-related event increased his share holdings and was accompanied by a separate share disposition to cover tax obligations at the time of the vesting.

How many Harmonic (HLIT) RSUs did the CFO convert into common stock?

The CFO converted 1,457 restricted stock units into 1,457 shares of Harmonic common stock. Each restricted stock unit represents a contingent right to receive one share of common stock when it vests and is settled.

How were taxes handled in the Harmonic (HLIT) CFO’s Form 4 transaction?

To cover tax obligations from the RSU vesting, 513 Harmonic common shares were withheld and treated as a tax-withholding disposition. These shares were valued at $9.34 per share, according to the Form 4 transaction details.

How many Harmonic (HLIT) shares does the CFO hold after this Form 4 filing?

Following the reported transactions, the CFO directly holds 141,539 shares of Harmonic common stock. He also retains 7,285 restricted stock units, which represent additional potential future shares upon vesting and settlement.

Is the Harmonic (HLIT) CFO’s Form 4 transaction a market sale or purchase?

The filing shows an exercise of restricted stock units and a tax-withholding share disposition, not an open-market sale or purchase. The primary event is a derivative exercise, which is a routine equity compensation mechanism for executives.

What does each restricted stock unit represent in the Harmonic (HLIT) CFO filing?

Each restricted stock unit represents a contingent right to receive one share of Harmonic common stock. When RSUs vest, they are typically settled in shares, as reflected in the CFO’s conversion of 1,457 units into common stock.