Ronald J. Glahn - 04 Feb 2026 Form 3 Insider Report for HARMONIC INC. (HLIT)

Role: SVP, Global Sales, Broadband
Signature: Wendi Ninh, Attorney-in-Fact
Issuer symbol: HLIT
Transactions as of: 04 Feb 2026
Net transactions value: $0
Form type: 3
Filing time: 12 Feb 2026, 18:00:28 UTC
Next filing: 17 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Glahn Ronald J	SVP, Global Sales, Broadband	2590 ORCHARD PARKWAY, SAN JOSE	Wendi Ninh, Attorney-in-Fact	12 Feb 2026	0002110438

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	HLIT	Common Stock						21,460	04 Feb 2026	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
holding	HLIT	Restricted Stock Units							04 Feb 2026	Common Stock	45,000	$0.000000	Direct	F1, F2
holding	HLIT	Restricted Stock Units							04 Feb 2026	Common Stock	48,455	$0.000000	Direct	F1, F3

* 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	Thirty three percent of the Shares subject to the Restricted Stock Unit (RSU) Grant vested on April 15, 2025, and equal quarterly increments of the Shares subject to the RSU are scheduled to vest quarterly thereafter, until 100% vested as of April 15, 2027.
F3	Thirty three percent of the Shares subject to the Restricted Stock Unit (RSU) Grant are scheduled to vest on February 15, 2026, and equal increments of the Shares subject to the RSU are scheduled to vest quarterly thereafter, so as to be 100% vested on February 15, 2028.