Harmonic (NASDAQ: HLIT) CFO exercises 6,645 RSUs, with 3,335 shares for tax

Rhea-AI Filing Summary

HARMONIC INC. Chief Financial Officer Walter Jankovic reported routine equity compensation activity involving restricted stock units and related tax withholding.

He exercised 6,645 restricted stock units, each representing a right to receive one share of Harmonic common stock, converting them into 6,645 shares of common stock. To cover tax obligations, 3,335 common shares were disposed of at a price of $15.20 per share through a tax-withholding mechanism rather than an open-market sale.

Following these transactions, Jankovic directly holds 155,535 shares of Harmonic common stock, indicating a net increase in his equity position and reflecting compensation-related, non-market transactions.

Insider Trade Summary

6,645 shares exercised/converted

Mixed 3 txns

Insider Jankovic Walter

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	6,645	$0.00	--
Exercise	Common Stock	6,645	$0.00	--
Tax Withholding	Common Stock	3,335	$15.20	$51K

Holdings After Transaction: Restricted Stock Units — 0 shares (Direct, null); Common Stock — 158,870 shares (Direct, null)

Footnotes (1)

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Key Figures

RSUs exercised: 6,645 shares Tax-withholding shares: 3,335 shares Tax-withholding price: $15.20 per share +2 more

5 metrics

RSUs exercised 6,645 shares Restricted stock units converted into common stock on 2026-05-22

Tax-withholding shares 3,335 shares Shares disposed of to satisfy tax liability at $15.20 per share

Tax-withholding price $15.20 per share Value applied to 3,335-share tax-withholding disposition

Shares held after transactions 155,535 shares Direct common stock holdings after Form 4 transactions

Common shares from RSUs 6,645 shares Underlying common stock received upon RSU conversion

Key Terms

Restricted Stock Units, tax-withholding disposition, derivative security, Common Stock

4 terms

Restricted Stock Units financial

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

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax-withholding disposition financial

"Payment of exercise price or tax liability by delivering securities"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

derivative security financial

"Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Jankovic Walter

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/22/2026

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
Common Stock	05/22/2026		M		6,645	A	$0	158,870	D
Common Stock	05/22/2026		F		3,335	D	$15.2	155,535	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	05/22/2026		M			6,645	05/22/2024	05/22/2026	Common Stock	6,645	$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	05/27/2026
	** 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)

FAQ

What insider transactions did Harmonic (HLIT) CFO Walter Jankovic report?

Harmonic CFO Walter Jankovic exercised 6,645 restricted stock units into common shares and had 3,335 shares withheld for taxes at $15.20 per share. These were compensation-related, non-market transactions recorded in his latest Form 4 filing.

Did the Harmonic (HLIT) CFO buy or sell shares on the open market?

The Harmonic CFO did not report any open-market purchases or sales. Shares were acquired by exercising 6,645 restricted stock units and 3,335 shares were disposed of solely to satisfy tax obligations at $15.20 per share.

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

After these equity compensation transactions, Harmonic’s CFO directly holds 155,535 shares of the company’s common stock. This reflects his position following the RSU exercise and the related 3,335-share tax-withholding disposition at $15.20 per share.

What restricted stock unit activity did Harmonic (HLIT) disclose for its CFO?

Harmonic disclosed that its CFO exercised 6,645 restricted stock units, each representing the right to receive one share of common stock. These units were converted into common shares, with part of the resulting stock withheld to cover associated tax liabilities.

Was the Harmonic (HLIT) CFO’s tax withholding reported as a sale?

The Form 4 classifies 3,335 shares at $15.20 per share as a tax-withholding disposition under transaction code F. This represents payment of tax liability using shares rather than an open-market sale initiated for investment or trading purposes.