HLIT Insider Activity: RSUs Vest; Executive Sells 5,806 Shares at $8.97

Rhea-AI Filing Summary

Harmonic Inc. insider transactions by SVP & GM, Video Business: The filing shows Neven Haltmayer reported transactions on 08/15/2025. He was credited with 10,901 shares of common stock at a $0 price (reported as acquisition, code M) resulting in 177,735 shares beneficially owned immediately after that item. On the same date he disposed of 5,806 shares of common stock at $8.97, leaving 171,929 shares beneficially owned. The filing also reports the treatment of restricted stock units: 5,049 RSUs (underlying 5,049 shares) and 5,852 RSUs (underlying 5,852 shares), each listed with exercise/vesting windows and shown as generating reported beneficial ownership totals for derivative holdings. The form is signed by an attorney-in-fact.

Positive

• Reported acquisition of 10,901 shares at $0, consistent with equity award vesting
• Detailed RSU disclosure showing underlying share counts and exercisable/expiration windows
• Form contains post-transaction beneficial ownership totals for transparency

Negative

• Disposition of 5,806 shares at $8.97 reduced direct beneficial ownership to 171,929 shares
• Some transactions executed by attorney-in-fact, which requires reliance on agent signature for accuracy

Insights

Financial Analyst

TL;DR: Insider received vested RSUs and executed a small sale, leaving substantial remaining holdings.

Neven Haltmayer's Form 4 records an acquisition of 10,901 common shares at zero cash consideration (code M), which typically reflects vesting or settlement of equity awards, and a contemporaneous disposal of 5,806 shares at $8.97. The transactions changed reported direct beneficial ownership to 171,929 shares. The filing also details two tranches of restricted stock units (5,049 and 5,852 RSUs) with specified exercisable/expiration windows and underlying common shares recorded. For investors, this is routine insider compensation-related activity rather than an extraordinary corporate event.

Corporate Governance Expert

TL;DR: Transactions appear consistent with award vesting and an open-market or plan sale; disclosure is complete and standard.

The Form 4 discloses both non-derivative and derivative movements with dates, codes, quantities, and prices. The filing includes the required explanation that each restricted stock unit converts into one share. The form was executed by an attorney-in-fact, and all reported fields (transaction codes, amounts, post-transaction beneficial ownership) are present, meeting standard disclosure expectations under Section 16.

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^*

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)
08/15/2025

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	08/15/2025		M		10,901	A	$0	177,735	D
Common Stock	08/15/2025		F		5,806	D	$8.97	171,929	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	08/15/2025		M			5,049	02/15/2024	02/15/2026	Common Stock	5,049	$0	10,098	D
Restricted Stock Units(1)	$0	08/15/2025		M			5,852	02/15/2025	02/15/2027	Common Stock	5,852	$0	35,109	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	08/19/2025
	** 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 Neven Haltmayer report on Form 4 for HLIT?

He reported an acquisition of 10,901 common shares at $0 and a disposition of 5,806 shares at $8.97 on 08/15/2025.

How many shares does Haltmayer beneficially own after the reported transactions?

The filing reports 171,929 shares of common stock beneficially owned following the reported disposal.

What restricted stock units were reported in the filing?

Two RSU tranches were reported: 5,049 RSUs (exercisable 02/15/2024 to 02/15/2026) and 5,852 RSUs (exercisable 02/15/2025 to 02/15/2027); each RSU represents one share.

Was the Form 4 signed by the reporting person?

The filing is signed by an attorney-in-fact, /s/ Wendi Ninh, dated 08/19/2025.

Do the transactions appear to be award vesting or open-market trades?

The acquisition at $0 (code M) indicates award vesting/settlement; the disposal shows a sale at $8.97.