<SEC-DOCUMENT>0000926282-21-000030-index.html : 20210607
<SEC-HEADER>0000926282-21-000030.hdr.sgml : 20210607
<ACCEPTANCE-DATETIME>20210607110715
ACCESSION NUMBER:		0000926282-21-000030
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210603
FILED AS OF DATE:		20210607
DATE AS OF CHANGE:		20210607

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Centis Ronald
		CENTRAL INDEX KEY:			0001769038

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24612
		FILM NUMBER:		21998639

	MAIL ADDRESS:	
		STREET 1:		505 OLD COURSE CIRCLE
		CITY:			MCKINNEY
		STATE:			TX
		ZIP:			75070

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADTRAN INC
		CENTRAL INDEX KEY:			0000926282
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				630918200
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		901 EXPLORER BLVD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35806
		BUSINESS PHONE:		256-963-8220

	MAIL ADDRESS:	
		STREET 1:		901 EXPLORER BLVD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35806
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

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