Skip to main content
ADTRAN

SEC Filings

You are provided with a link to a third-party Section 16 Reports website. ADTRAN, Inc. does not maintain or provide information directly to this site. ADTRAN, Inc. makes no representations or warranties with respect to the information contained herein and takes no responsibility for supplementing, updating, or correcting such information.

SEC RSS Feed (opens in new window)
SEC filing year list 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996
Date Filing Type Filing Description Download / View
April 18, 2019
Form 8-K
Current report filing
April 11, 2019
Form 3
Initial Statement of Beneficial Ownership
April 3, 2019
Form DEF 14A
Proxy Statement (definitive)
April 2, 2019
Form 3
Initial Statement of Beneficial Ownership
March 19, 2019
Form 5
Annual Statement of Changes in Beneficial Ownership
March 7, 2019
Form 3
Initial Statement of Beneficial Ownership
March 7, 2019
Form 8-K
Current report filing
February 28, 2019
Form 10-K
Annual Report
February 25, 2019
Form 4
Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4
Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4
Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4
Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4/A
Amended Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4/A
Amended Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4/A
Amended Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4/A
Amended Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4/A
Amended Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4
Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4
Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4
Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4
Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4
Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4
Statement of Changes in Beneficial Ownership
February 25, 2019
Form 4
Statement of Changes in Beneficial Ownership
February 14, 2019
Form SC 13G/A
Amended Statement of Ownership
February 11, 2019
Form SC 13G/A
Amended Statement of Ownership
February 8, 2019
Form SC 13G/A
Amended Statement of Ownership
February 1, 2019
Form SC 13G/A
Amended Statement of Ownership
January 28, 2019
Form 3
Initial Statement of Beneficial Ownership
January 24, 2019
Form SC 13G/A
Amended Statement of Ownership
January 24, 2019
Form 8-K
Current report filing
January 3, 2019
Form 4
Statement of Changes in Beneficial Ownership
January 3, 2019
Form 4
Statement of Changes in Beneficial Ownership
January 3, 2019
Form 4
Statement of Changes in Beneficial Ownership
January 3, 2019
Form 4
Statement of Changes in Beneficial Ownership
January 3, 2019
Form 4
Statement of Changes in Beneficial Ownership
January 3, 2019
Form 4
Statement of Changes in Beneficial Ownership
January 3, 2019
Form 4
Statement of Changes in Beneficial Ownership
January 3, 2019
Form 4
Statement of Changes in Beneficial Ownership