Neven Haltmayer - 01 Dec 2025 Form 4 Insider Report for HARMONIC INC. (HLIT)

Role: SVP & GM, Video Business
Signature: /s/ Wendi Ninh, Attorney-in-Fact
Issuer symbol: HLIT
Transactions as of: 01 Dec 2025
Net transactions value: -$13,654
Form type: 4
Filing time: 03 Dec 2025, 17:27:31 UTC
Previous filing: 18 Nov 2025
Next filing: 15 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Haltmayer Neven	SVP & GM, Video Business	2590 ORCHARD PARKWAY, SAN JOSE	/s/ Wendi Ninh, Attorney-in-Fact	03 Dec 2025	0001380567

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HLIT	Common Stock	Options Exercise	$0	+2,724	+1.5%	$0.000000	181,021	01 Dec 2025	Direct
transaction	HLIT	Common Stock	Tax liability	$13,654	-1,451	-0.8%	$9.41	179,570	01 Dec 2025	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	HLIT	Restricted Stock Units	Options Exercise	$0	-2,724	-14%	$0.000000	16,346	01 Dec 2025	Common Stock	2,724	$0.000000	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each restricted stock unit represents a contingent right to receive one share of HLIT common stock.