Deborah Clifford - 16 Mar 2026 Form 4 Insider Report for HARMONIC INC. (HLIT)

Role: Director
Signature: /s/ Wendi Ninh, Attorney-in-Fact
Issuer symbol: HLIT
Transactions as of: 16 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 18 Mar 2026, 21:50:19 UTC
Previous filing: 24 Feb 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Clifford Deborah	Director	2590 ORCHARD PARKWAY, SAN JOSE	/s/ Wendi Ninh, Attorney-in-Fact	18 Mar 2026	0001756365

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	Award		+18,756		$0.000000^*	18,756	16 Mar 2026	Common Stock	18,756	$0.000000	Direct	F1, F2

* 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.
F2	The shares subject to the restricted stock units are scheduled to vest in full on February 15, 2027. Vested shares will be delivered to the reporting person on or immediately following February 15, 2027.