    <SEC-DOCUMENT>0001140361-25-016644-index.html : 20250430
    <SEC-HEADER>0001140361-25-016644.hdr.sgml : 20250430
    <ACCEPTANCE-DATETIME>20250430160347
    ACCESSION NUMBER:		0001140361-25-016644
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		4
    FILED AS OF DATE:		20250430
    DATE AS OF CHANGE:		20250430

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			HARMONIC INC
    		CENTRAL INDEX KEY:			0000851310
    		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT [3663]
    		ORGANIZATION NAME:           	04 Manufacturing
    		EIN:				770201147
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-25826
    		FILM NUMBER:		25894821

    	BUSINESS ADDRESS:
    		STREET 1:		4300 NORTH FIRST STREET
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95134
    		BUSINESS PHONE:		4084906242

    	MAIL ADDRESS:
    		STREET 1:		4300 NORTH FIRST STREET
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95134

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	HARMONIC LIGHTWAVES INC
    		DATE OF NAME CHANGE:	19950404
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>ny20045271x772_defa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: ny20045271x772_defa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>logo_harmonic25.jpg
    <TEXT>
    Document 2 - file: logo_harmonic25.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>ny20045271x772_nc01.jpg
    <TEXT>
    Document 3 - file: ny20045271x772_nc01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>ny20045271x772_nc02.jpg
    <TEXT>
    Document 4 - file: ny20045271x772_nc02.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>