    <SEC-DOCUMENT>0001124796-21-000077-index.html : 20210430
    <SEC-HEADER>0001124796-21-000077.hdr.sgml : 20210430
    <ACCEPTANCE-DATETIME>20210430160740
    ACCESSION NUMBER:		0001124796-21-000077
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20210430
    DATE AS OF CHANGE:		20210430

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			NLIGHT, INC.
    		CENTRAL INDEX KEY:			0001124796
    		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
    		IRS NUMBER:				912066376
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38462
    		FILM NUMBER:		21877909

    	BUSINESS ADDRESS:
    		STREET 1:		5408 NE 88TH STREET
    		STREET 2:		BUILDING E
    		CITY:			VANCOUVER
    		STATE:			WA
    		ZIP:			98665
    		BUSINESS PHONE:		360-566-4460

    	MAIL ADDRESS:
    		STREET 1:		5408 NE 88TH STREET
    		STREET 2:		BUILDING E
    		CITY:			VANCOUVER
    		STATE:			WA
    		ZIP:			98665

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NLIGHT PHOTONICS CORP
    		DATE OF NAME CHANGE:	20000925
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>a2021noticeofinternetdocsa.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: a2021noticeofinternetdocsa.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>nlightinc55474-inback1.jpg
    <TEXT>
    Document 2 - file: nlightinc55474-inback1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>nlightinc55474-infront1.jpg
    <TEXT>
    Document 3 - file: nlightinc55474-infront1.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>