[Form 4] Harmonic Inc Insider Trading Activity

Rhea-AI Filing Summary

Harmonic Inc. (HLIT) insider activity by Walter Jankovic, Chief Financial Officer. On 08/22/2025 Mr. Jankovic received 6,644 shares by vesting/conversion of restricted stock units at $0 per share, increasing his beneficial ownership to 100,423 shares. On the same date he disposed of 3,334 shares at $9.19 per share, leaving a reported beneficial ownership of 97,089 shares after that sale. The filing notes each restricted stock unit represents the contingent right to one share. The Form 4 was signed by an attorney-in-fact, Wendi Ninh, on 08/26/2025.

Positive

• Vesting of 6,644 RSUs converted to common stock at $0, increasing reported ownership and reflecting compensation realization
• Reporting maintained with an attorney-in-fact signature, indicating documentation and formal filing procedures were followed

Negative

• Disposition of 3,334 shares at $9.19, representing partial liquidation of vested shares
• Post-transaction ownership change shows a decrease from 100,423 to 97,089 shares after the sale (per the reported lines)

Insights

Financial Analyst

TL;DR: Routine executive vesting and partial sale; ownership remains sizable, suggesting no abrupt change in alignment with shareholders.

The filing discloses the vesting/conversion of 6,644 restricted stock units into common shares and a contemporaneous sale of 3,334 shares at $9.19. Net of these transactions the reporting person still beneficially owns a six-figure share position (~97k–100k shares depending on sequencing). This pattern — vesting followed by a partial sale — is common for liquidity needs or scheduled selling following vesting and does not, on its face, indicate a change in control or a material shift in exposure. All facts are from the Form 4; no forward-looking implications are stated.

Corporate Governance Expert

TL;DR: Disclosure appears complete and routine; transaction executed by attorney-in-fact and properly reported.

The report identifies the reporting person as an officer (Chief Financial Officer) and documents vesting of restricted stock units and a subsequent sale. The inclusion of an attorney-in-fact signature is noted and acceptable when properly authorized. The disclosure clarifies the nature of the RSUs (one RSU equals one share). There are no indicated plan-level changes, waiver events, or anomalous insider transfers in this filing.

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 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)
08/22/2025

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	08/22/2025		M		6,644	A	$0	100,423	D
Common Stock	08/22/2025		F		3,334	D	$9.19	97,089	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	08/22/2025		M			6,644	05/22/2024	05/22/2026	Common Stock	6,644	$0	19,934	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	08/26/2025
	** 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 CFO Walter Jankovic report on 08/22/2025?

The filing reports conversion/vesting of 6,644 restricted stock units into common shares at $0 and a sale of 3,334 shares at $9.19 on 08/22/2025.

How many HLIT shares does Walter Jankovic beneficially own after these transactions?

The Form 4 shows reported beneficial ownership of 100,423 shares after the acquisition entry and 97,089 shares after the sale entry.

What does each restricted stock unit represent in this filing?

The filing states each restricted stock unit represents a contingent right to receive one share of HLIT common stock.

Who signed the Form 4 for Walter Jankovic and when?

The Form 4 was signed by Wendi Ninh, Attorney-in-Fact on 08/26/2025.

At what price were the sold shares reported and is there an indicated reason for the sale?

The sold shares were reported at $9.19 per share. The filing does not provide any explanation or reason for the sale.