<SEC-DOCUMENT>0001193125-21-362536-index.html : 20211220
<SEC-HEADER>0001193125-21-362536.hdr.sgml : 20211220
<ACCEPTANCE-DATETIME>20211220170959
ACCESSION NUMBER:		0001193125-21-362536
CONFORMED SUBMISSION TYPE:	425
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20211220
DATE AS OF CHANGE:		20211220
GROUP MEMBERS:		ADVA OPTICAL NETWORKING SE

SUBJECT COMPANY:	

	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

	FILING VALUES:
		FORM TYPE:		425
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24612
		FILM NUMBER:		211506008

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACORN HOLDCO, INC.
		CENTRAL INDEX KEY:			0001880346
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		425

	BUSINESS ADDRESS:	
		STREET 1:		901 EXPLORER BOULEVARD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35806-2807
		BUSINESS PHONE:		256-963-8000

	MAIL ADDRESS:	
		STREET 1:		901 EXPLORER BOULEVARD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35806-2807
</SEC-HEADER>
<DOCUMENT>
<TYPE>425
<SEQUENCE>1
<FILENAME>d275715d425.htm
<DESCRIPTION>425
<TEXT>
Document 1 - file: d275715d425.htm

</DOCUMENT>
</SEC-DOCUMENT>