ADTRAN Holdings, Inc. reports

Location
901 Explorer Blvd, Huntsville, AL
Fiscal year end
December 31
Data updated at
8/31/2024, 01:30 AM
Form type Sec Links Description Filing date Reporting date
8-K Report | Data 8-K Aug 30, 2024 Aug 27, 2024
10-Q Report | Data 10-Q Aug 9, 2024 Jun 30, 2024
8-K Report | Data 8-K Aug 6, 2024 Aug 5, 2024
8-K Report | Data 8-K Aug 2, 2024 Jul 31, 2024
SC 13G/A Report Jul 8, 2024
8-K Report | Data 8-K Jun 10, 2024 Jun 4, 2024
10-Q Report | Data 10-Q May 10, 2024 Mar 31, 2024
8-K Report | Data 8-K May 9, 2024 May 8, 2024
8-K Report | Data 8-K May 7, 2024 May 6, 2024
8-K Report | Data 8-K May 3, 2024 May 3, 2024
8-K Report | Data 8-K Apr 17, 2024 Apr 11, 2024
SC 13G Report Mar 25, 2024
10-K Report | Data 10-K Mar 15, 2024 Dec 31, 2023
8-K Report | Data 8-K Mar 15, 2024 Mar 15, 2024
10-Q/A Report | Data 10-Q/A Mar 15, 2024 Sep 30, 2023
10-Q/A Report | Data 10-Q/A Mar 15, 2024 Jun 30, 2023
10-Q/A Report | Data 10-Q/A Mar 15, 2024 Mar 31, 2023
8-K Report | Data 8-K Feb 27, 2024 Feb 26, 2024
8-K Report | Data 8-K Feb 20, 2024 Feb 20, 2024
SC 13G Report SC 13G Feb 12, 2024
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2024
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2024
SC 13G/A Report Jan 22, 2024
8-K Report | Data 8-K Jan 22, 2024 Jan 16, 2024
8-K Report | Data 8-K Dec 6, 2023 Dec 4, 2023
8-K Report | Data 8-K Dec 5, 2023 Dec 1, 2023
10-Q Report | Data 10-Q Nov 9, 2023 Sep 30, 2023
8-K Report | Data 8-K Nov 7, 2023 Nov 6, 2023
8-K Report | Data 8-K Oct 24, 2023 Oct 18, 2023
8-K Report | Data 8-K Oct 17, 2023 Oct 16, 2023
8-K Report | Data FORM 8-K Sep 29, 2023 Sep 25, 2023
8-K/A Report | Data FORM 8-K/A Aug 14, 2023 Aug 6, 2023
10-Q Report | Data 10-Q Aug 14, 2023 Jun 30, 2023
10-Q/A Report | Data 10-Q/A Aug 14, 2023 Mar 31, 2023
10-K/A Report | Data 10-K/A Aug 14, 2023 Dec 31, 2022
10-Q/A Report | Data 10-Q/A Aug 14, 2023 Sep 30, 2022
8-K Report | Data 8-K Aug 10, 2023 Aug 10, 2023
8-K/A Report | Data 8-K/A Aug 10, 2023 Aug 6, 2023
8-K Report | Data FORM 8-K Aug 7, 2023 Aug 6, 2023
8-K Report | Data 8-K Jun 28, 2023 Jun 28, 2023
8-K Report | Data FORM 8-K Jun 1, 2023 May 26, 2023
8-K Report | Data 8-K May 30, 2023 May 23, 2023
8-K Report | Data 8-K May 15, 2023 May 10, 2023
10-Q Report | Data 10-Q May 10, 2023 Mar 31, 2023
8-K Report | Data 8-K May 9, 2023 May 8, 2023
8-K Report | Data 8-K Apr 11, 2023 Apr 10, 2023
8-K Report | Data 8-K Apr 3, 2023 Mar 28, 2023
8-K Report | Data 8-K Mar 30, 2023 Mar 27, 2023
10-K Report | Data 10-K Mar 1, 2023 Dec 31, 2022
8-K Report | Data 8-K Feb 21, 2023 Feb 21, 2023
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2023
8-K Report | Data 8-K Feb 8, 2023 Feb 6, 2023
8-K Report | Data 8-K Jan 26, 2023 Jan 20, 2023
SC 13G/A Report Jan 26, 2023
SC 13G Report Jan 20, 2023
8-K Report | Data 8-K Jan 19, 2023 Jan 17, 2023
8-K Report | Data FORM 8-K Dec 5, 2022 Dec 1, 2022
10-Q Report | Data 10-Q Nov 9, 2022 Sep 30, 2022
8-K/A Report | Data 8-K/A Nov 9, 2022 Nov 7, 2022
8-K Report | Data 8-K Nov 8, 2022 Nov 7, 2022
8-K Report | Data 8-K Oct 26, 2022 Oct 24, 2022
8-K/A Report | Data 8-K/A Oct 25, 2022 Oct 24, 2022
8-K Report | Data 8-K Oct 25, 2022 Oct 24, 2022
8-K Report | Data 8-K Oct 18, 2022 Oct 18, 2022
8-K/A Report | Data 8-K/A Sep 30, 2022 Jul 15, 2022
SC 13G Report Sep 8, 2022
SC 13G Report Sep 8, 2022
10-Q Report | Data 10-Q Aug 5, 2022 Jun 30, 2022
8-K Report | Data 8-K Aug 4, 2022 Aug 3, 2022
8-K Report | Data 8-K Jul 22, 2022 Jul 18, 2022
SC 13D Report SC 13D Jul 20, 2022
8-K Report | Data 8-K Jul 15, 2022 Jul 15, 2022
8-K Report | Data 8-K Jul 8, 2022 Jul 8, 2022
8-K Report | Data 8-K Jul 7, 2022 Jul 6, 2022
8-K Report | Data 8-K Jun 30, 2022 Jun 30, 2022
8-K Report | Data 8-K May 23, 2022 May 19, 2022
8-K Report | Data 8-K May 13, 2022 May 11, 2022
10-Q Report | Data 10-Q May 6, 2022 Mar 31, 2022
8-K Report | Data 8-K May 5, 2022 May 4, 2022
8-K Report | Data 8-K Apr 6, 2022 Apr 1, 2022
10-K Report | Data 10-K Feb 25, 2022 Dec 31, 2021
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2022
SC 13G/A Report SEC SCHEDULE 13G Feb 8, 2022
SC 13G/A Report Feb 7, 2022
8-K Report | Data 8-K Feb 3, 2022 Feb 2, 2022
SC 13G Report Feb 2, 2022
SC 13G/A Report Feb 1, 2022
8-K Report | Data 8-K Jan 6, 2022 Jan 6, 2022
8-K Report | Data 8-K Dec 28, 2021 Dec 28, 2021
8-K Report | Data 8-K Nov 29, 2021 Nov 26, 2021
10-Q Report | Data 10-Q Nov 5, 2021 Sep 30, 2021
8-K Report | Data 8-K Nov 2, 2021 Nov 1, 2021
8-K Report | Data 8-K Nov 2, 2021 Nov 1, 2021
8-K Report | Data 8-K Oct 15, 2021 Oct 14, 2021
8-K Report | Data 8-K Oct 7, 2021 Oct 5, 2021
8-K Report | Data 8-K Sep 1, 2021 Aug 29, 2021
8-K Report | Data FORM 8-K Aug 30, 2021 Aug 30, 2021
10-Q Report | Data 10-Q Aug 6, 2021 Jun 30, 2021
8-K Report | Data 8-K Aug 5, 2021 Aug 4, 2021
8-K Report | Data 8-K May 18, 2021 May 12, 2021
10-Q Report | Data 10-Q May 6, 2021 Mar 31, 2021
8-K Report | Data 8-K May 6, 2021 May 5, 2021
10-K Report | Data 10-K Feb 26, 2021 Dec 31, 2020
8-K/A Report | Data 8-K/A Feb 26, 2021 Feb 3, 2021
SC 13G/A Report SEC SCHEDULE 13G Feb 12, 2021
SC 13G/A Report Feb 10, 2021
SC 13G/A Report SCHEDULE 13G/A Feb 10, 2021
8-K Report | Data 8-K Feb 4, 2021 Feb 3, 2021
SC 13G/A Report Feb 2, 2021
SC 13G/A Report Feb 2, 2021
SC 13G Report Jan 25, 2021
10-Q Report | Data 10-Q Nov 6, 2020 Sep 30, 2020
8-K Report | Data 8-K Nov 3, 2020 Nov 2, 2020
10-Q Report | Data 10-Q Aug 7, 2020 Jun 30, 2020
8-K Report | Data 8-K Aug 6, 2020 Aug 5, 2020
8-K Report | Data 8-K Jul 23, 2020 Jul 21, 2020
8-K Report | Data 8-K May 15, 2020 May 13, 2020
8-K Report | Data 8-K May 11, 2020 May 11, 2020
10-Q Report | Data 10-Q May 8, 2020 Mar 31, 2020
8-K Report | Data 8-K May 7, 2020 May 6, 2020
8-K Report | Data 8-K Feb 25, 2020 Feb 25, 2020
10-K Report | Data 10-K Feb 25, 2020 Dec 31, 2019
SC 13G Report Feb 12, 2020
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2020
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2020
8-K Report | Data 8-K Feb 6, 2020 Feb 5, 2020
SC 13G/A Report Feb 4, 2020
SC 13G/A Report Jan 30, 2020
10-Q Report | Data 10-Q Nov 5, 2019 Sep 30, 2019
8-K Report | Data 8-K Oct 31, 2019 Oct 30, 2019
8-K Report | Data 8-K Oct 10, 2019 Oct 9, 2019
8-K Report | Data 8-K Sep 20, 2019 Sep 20, 2019
10-Q Report | Data 10-Q Sep 20, 2019 Jun 30, 2019
10-K/A Report | Data 10-K/A Sep 20, 2019 Dec 31, 2018
8-K Report 8-K Aug 21, 2019 Aug 15, 2019
8-K Report 8-K Jul 18, 2019 Jul 17, 2019
8-K Report 8-K May 9, 2019 May 8, 2019
10-Q Report | Data 10-Q May 7, 2019 Mar 31, 2019
8-K Report 8-K Apr 18, 2019 Apr 17, 2019
8-K Report 8-K Mar 7, 2019 Mar 6, 2019
10-K Report | Data 10-K Feb 28, 2019 Dec 31, 2018
SC 13G/A Report SC 13G/A Feb 14, 2019
SC 13G/A Report Feb 11, 2019
SC 13G/A Report SCHEDULE 13G/A Feb 8, 2019
SC 13G/A Report Feb 1, 2019
SC 13G/A Report Jan 24, 2019
8-K Report 8-K Jan 24, 2019 Jan 23, 2019
8-K Report 8-K Dec 6, 2018 Dec 6, 2018
10-Q Report | Data 10-Q Nov 6, 2018 Sep 30, 2018
8-K Report 8-K Oct 17, 2018 Oct 16, 2018
10-Q Report | Data 10-Q Aug 3, 2018 Jun 30, 2018
8-K Report 8-K Jul 18, 2018 Jul 17, 2018
SC 13G/A Report Jun 11, 2018
8-K Report 8-K May 10, 2018 May 9, 2018
10-Q Report | Data 10-Q May 9, 2018 Mar 31, 2018
8-K Report 8-K Apr 18, 2018 Apr 17, 2018
8-K Report 8-K - SUMITOMO ACQUISITION Mar 21, 2018 Mar 20, 2018
10-K Report | Data 10-K Feb 23, 2018 Dec 31, 2017
SC 13G/A Report Feb 14, 2018
SC 13G/A Report Feb 14, 2018
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2018
SC 13G/A Report Feb 8, 2018
SC 13G/A Report Feb 7, 2018
SC 13G/A Report Jan 19, 2018
8-K Report 8-K Jan 17, 2018 Jan 16, 2018
8-K Report 8-K - Q4 PRE-RELEASE Dec 29, 2017 Dec 28, 2017
8-K Report 8-K Nov 16, 2017 Nov 11, 2017
10-Q Report | Data 10-Q Nov 7, 2017 Sep 30, 2017
8-K Report 8-K Oct 18, 2017 Oct 17, 2017
10-Q Report | Data 10-Q Aug 4, 2017 Jun 30, 2017
8-K Report | Data 8-K Jul 19, 2017 Jul 18, 2017
8-K Report 8-K - APPOINTMENT OF NEW DIRECTOR (MCCRAY) May 11, 2017 May 11, 2017
8-K Report 8-K - SHAREHOLDER VOTE RESULTS May 11, 2017 May 10, 2017
10-Q Report | Data FORM 10-Q May 3, 2017 Mar 31, 2017
8-K Report 8-K Apr 19, 2017 Apr 18, 2017
10-K Report | Data 10-K Feb 24, 2017 Dec 31, 2016
SC 13G/A Report Feb 23, 2017
SC 13G Report ADTRAN 13G 123116 Feb 10, 2017
SC 13G Report SCHEDULE 13G Feb 9, 2017
SC 13G/A Report Feb 9, 2017
8-K Report FORM 8-K Feb 7, 2017 Jan 17, 2017
SC 13G/A Report Feb 6, 2017
8-K Report 8-K Jan 18, 2017 Jan 17, 2017
SC 13G/A Report Jan 12, 2017
8-K Report FORM 8-K Nov 16, 2016 Nov 12, 2016
10-Q Report | Data FORM 10-Q Nov 8, 2016 Sep 30, 2016
8-K Report 8-K Oct 19, 2016 Oct 18, 2016
8-K Report 8-K Sep 14, 2016 Sep 14, 2016
SC 13G/A Report Sep 9, 2016
8-K Report FORM 8-K Aug 17, 2016 Aug 15, 2016
10-Q Report | Data FORM 10-Q Aug 5, 2016 Jun 30, 2016
8-K Report FORM 8-K Jul 13, 2016 Jul 12, 2016
SC 13G/A Report ADTN AS OF 06/30/2016 Jul 8, 2016
8-K Report FORM 8-K May 13, 2016 May 11, 2016
10-Q Report | Data 10-Q May 4, 2016 Mar 31, 2016
8-K Report | Data 8-K Apr 13, 2016 Apr 12, 2016
8-K Report 8-K Apr 8, 2016 Apr 8, 2016
10-K Report | Data FORM 10-K Feb 24, 2016 Dec 31, 2015
8-K Report 8-K Feb 11, 2016 Feb 8, 2016
SC 13G/A Report Feb 10, 2016
SC 13G/A Report ADTN AS OF 12/31/2015 Feb 9, 2016
SC 13G/A Report Jan 25, 2016
SC 13G/A Report SCHEDULE 13G Jan 22, 2016
8-K Report FORM 8-K Jan 20, 2016 Jan 19, 2016
8-K Report 8-K Nov 16, 2015 Nov 14, 2015
10-Q Report | Data 10-Q Nov 4, 2015 Sep 30, 2015
8-K Report 8-K Oct 14, 2015 Oct 13, 2015
10-Q Report | Data FORM 10-Q Aug 5, 2015 Jun 30, 2015
8-K Report 8-K Jul 16, 2015 Jul 14, 2015
8-K Report FORM 8-K Jul 15, 2015 Jul 14, 2015
SC 13G/A Report Jul 7, 2015
8-K Report FORM 8-K May 15, 2015 May 13, 2015
10-Q Report | Data FORM 10-Q May 6, 2015 Mar 31, 2015
8-K Report 8-K Apr 22, 2015 Apr 21, 2015
10-K Report | Data FORM 10-K Feb 24, 2015 Dec 31, 2014
8-K Report 8-K Feb 23, 2015 Feb 20, 2015
SC 13G/A Report SC 13G/A Feb 17, 2015
SC 13G/A Report Feb 10, 2015
SC 13G/A Report ADTN AS OF 12/31/2014 Feb 10, 2015
SC 13G/A Report ADTRAN INC Jan 30, 2015
SC 13G/A Report Jan 22, 2015
8-K Report FORM 8-K Jan 21, 2015 Jan 20, 2015
SC 13G/A Report Jan 15, 2015
SC 13G/A Report Jan 5, 2015
10-Q Report | Data FORM 10-Q Nov 5, 2014 Sep 30, 2014
8-K Report 8-K Oct 15, 2014 Oct 14, 2014
8-K Report FORM 8-K Oct 3, 2014 Oct 2, 2014
10-Q Report | Data 10-Q Aug 6, 2014 Jun 30, 2014
8-K Report FORM 8-K Jul 16, 2014 Jul 15, 2014
8-K Report 8-K May 20, 2014 May 19, 2014
8-K Report 8-K May 20, 2014 May 14, 2014
8-K Report FORM 8-K May 15, 2014 May 14, 2014
10-Q Report | Data 10-Q May 7, 2014 Mar 31, 2014
8-K Report 8-K Apr 16, 2014 Apr 15, 2014
8-K Report 8-K Apr 3, 2014 Apr 2, 2014
SC 13G/A Report ADTRAN INC Mar 24, 2014
10-K Report | Data 10-K Feb 27, 2014 Dec 31, 2013
SC 13G/A Report SC 13G/A Feb 14, 2014
SC 13G/A Report Feb 10, 2014
SC 13G/A Report ADTN AS OF 12/31/2013 Feb 7, 2014
SC 13G/A Report ADTRAN INC Jan 30, 2014
SC 13G/A Report Jan 28, 2014
8-K Report ADTRAN, INC. - 8-K Jan 22, 2014 Jan 21, 2014
SC 13G/A Report Jan 16, 2014
SC 13G/A Report Jan 6, 2014
10-Q Report | Data FORM 10-Q Nov 1, 2013 Sep 30, 2013
8-K Report FORM 8-K Oct 15, 2013 Oct 8, 2013
8-K Report ADTRAN, INC. 8-K Oct 9, 2013 Oct 8, 2013
SC 13G Report SC 13G Aug 29, 2013
SC 13G/A Report Aug 12, 2013
10-Q Report | Data FORM 10-Q Jul 31, 2013 Jun 30, 2013
8-K Report ADTRAN, INC. 8-K Jul 10, 2013 Jul 9, 2013
SC 13G/A Report Jun 10, 2013
8-K Report 8-K May 10, 2013 May 8, 2013
10-Q Report | Data FORM 10-Q May 8, 2013 Mar 31, 2013
8-K Report FORM 8-K May 3, 2013 May 1, 2013
8-K Report ADTRAN, INC. 8-K Apr 10, 2013 Apr 9, 2013
10-K Report | Data 10-K Feb 28, 2013 Dec 31, 2012
SC 13G/A Report Feb 22, 2013
SC 13G/A Report Feb 14, 2013
SC 13G Report Feb 13, 2013
SC 13G/A Report SCHEDULE 13G/A (AMENDMENT NO 6) Feb 12, 2013
SC 13G/A Report SCHEDULE 13G/A (AMENDMENT NO. 7) Feb 12, 2013
SC 13G/A Report ADTN AS OF 12/31/12 Feb 11, 2013
SC 13G/A Report Feb 8, 2013
SC 13G Report ADTRAN INC Feb 6, 2013
SC 13G/A Report Jan 24, 2013
8-K Report ADTRAN, INC. 8-K Jan 16, 2013 Jan 15, 2013
SC 13G/A Report Jan 3, 2013
SC 13G/A Report Nov 13, 2012
10-Q Report | Data 10-Q Nov 5, 2012 Sep 30, 2012
SC 13G/A Report DISCLOSURE DOCUMENT Oct 10, 2012
SC 13G Report ADTN AS OF 09/30/2012 Oct 10, 2012
8-K Report ADTRAN, INC. 8-K Oct 10, 2012 Oct 9, 2012
8-K Report FORM 8-K Oct 3, 2012 Oct 3, 2012
8-K Report FORM 8-K Sep 28, 2012 Sep 27, 2012
SC 13G Report Sep 10, 2012
SC 13G/A Report Aug 7, 2012
10-Q Report | Data FORM 10-Q Aug 3, 2012 Jun 30, 2012
10-K/A Report FORM 10-K/A Jul 26, 2012 Dec 31, 2011
8-K Report ADTRAN, INC. 8-K Jul 11, 2012 Jul 10, 2012
8-K Report FORM 8-K May 10, 2012 May 9, 2012
8-K Report FORM 8-K May 10, 2012 May 6, 2012
10-Q Report | Data FORM 10-Q May 9, 2012 Mar 31, 2012
8-K Report ADTRAN, INC. 8-K Apr 11, 2012 Apr 10, 2012
8-K Report FORM 8-K Mar 15, 2012 Mar 15, 2012
SC 13G/A Report DISCLOSURE DOCUMENT Mar 12, 2012
10-K Report | Data FORM 10-K Feb 29, 2012 Dec 31, 2011
SC 13G/A Report DISCLOSURE DOCUMENT Feb 14, 2012
SC 13G/A Report SC 13G/A Feb 13, 2012
SC 13G/A Report Feb 10, 2012
SC 13G/A Report SCHEDULE 13G/A (AMENDMENT NO. 6) Feb 8, 2012
SC 13G/A Report SCHEDULE 13G/A (AMENDMENT NO. 5) Feb 8, 2012
SC 13G Report Jan 20, 2012
8-K Report ADTRAN, INC. 8-K Jan 18, 2012 Jan 17, 2012
SC 13G/A Report Jan 5, 2012
8-K Report FORM 8-K Dec 12, 2011 Dec 12, 2011
10-Q Report | Data FORM 10-Q Nov 3, 2011 Sep 30, 2011
8-K Report FORM 8-K Oct 13, 2011 Oct 11, 2011
8-K Report ADTRAN, INC. 8-K Oct 12, 2011 Oct 11, 2011
SC 13G/A Report SEC FILING Aug 10, 2011
10-Q Report | Data FORM 10-Q Aug 2, 2011 Jun 30, 2011
8-K Report ADTRAN, INC. 8-K Jul 13, 2011 Jul 12, 2011
SC 13G/A Report DOC ONE Jun 10, 2011
8-K Report FORM 8-K May 9, 2011 May 4, 2011
10-Q Report | Data FORM 10-Q May 5, 2011 Mar 31, 2011
8-K Report ADTRAN, INC. 8-K Apr 13, 2011 Apr 12, 2011
10-K Report | Data FORM 10-K Feb 25, 2011 Dec 31, 2010
SC 13G/A Report DOC ONE Feb 14, 2011
SC 13G Report SCHEDULE 13G FOR ADTRAN, INC. Feb 14, 2011
SC 13G/A Report SEC FILING Feb 14, 2011
SC 13G/A Report SCHEDULE 13G/A Feb 11, 2011
SC 13G/A Report SCHEDULE 13G/A Feb 11, 2011
SC 13G/A Report Feb 3, 2011
8-K Report ADTRAN, INC. 8-K Jan 19, 2011 Jan 18, 2011
SC 13G/A Report Jan 11, 2011
SC 13G Report SEC FILING Dec 10, 2010
8-K Report FORM 8-K Nov 9, 2010 Nov 6, 2010
10-Q Report | Data FORM 10-Q Nov 2, 2010 Sep 30, 2010
8-K Report ADTRAN, INC. 8-K Oct 13, 2010 Oct 12, 2010
10-Q Report | Data 10-Q Jul 29, 2010 Jun 30, 2010
8-K Report ADTRAN, INC. 8-K Jul 14, 2010 Jul 13, 2010
8-K Report FORM 8-K May 28, 2010 May 5, 2010
10-Q Report FORM 10-Q May 3, 2010 Mar 31, 2010
8-K Report ADTRAN, INC. 8-K Apr 14, 2010 Apr 13, 2010
10-K Report FORM 10-K Feb 26, 2010 Dec 31, 2009
SC 13G/A Report DOC ONE Feb 16, 2010
SC 13G/A Report SCHEDULE 13G/A Feb 16, 2010
SC 13G/A Report SCHEDULE 13G/A Feb 16, 2010
SC 13G Report Jan 29, 2010
SC 13G/A Report Jan 22, 2010
8-K Report ADTRAN, INC. 8-K Jan 20, 2010 Jan 19, 2010
10-Q Report 10-Q Nov 4, 2009 Sep 30, 2009
10-Q Report FORM 10-Q Aug 3, 2009 Jun 30, 2009
10-Q Report FORM 10-Q May 4, 2009 Mar 31, 2009
10-K Report FORM 10-K Feb 27, 2009 Dec 31, 2008
10-Q Report FORM 10-Q Nov 3, 2008 Sep 30, 2008
10-Q Report FORM 10-Q Aug 4, 2008 Jun 30, 2008
10-Q Report FORM 10-Q May 5, 2008 Mar 31, 2008
10-K Report FORM 10-K Feb 28, 2008 Dec 31, 2007
10-Q Report FORM 10-Q Nov 2, 2007 Sep 30, 2007
10-Q Report FORM 10-Q Aug 1, 2007 Jun 30, 2007
10-Q Report FORM 10-Q May 1, 2007 Mar 31, 2007
10-K Report FORM 10-K Feb 28, 2007 Dec 31, 2006
10-Q Report FORM 10-Q Nov 3, 2006 Sep 30, 2006
10-Q Report FORM 10-Q Jul 31, 2006 Jun 30, 2006
10-Q Report FORM 10-Q May 2, 2006 Mar 31, 2006
10-K Report FORM 10-K Mar 6, 2006 Dec 31, 2005
10-Q Report FORM 10-Q Nov 4, 2005 Sep 30, 2005
10-Q Report FORM 10-Q Aug 5, 2005 Jun 30, 2005
10-Q Report FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2005 May 9, 2005 Mar 31, 2005
10-K Report FOR THE FISCAL YEAR ENDED DECEMBER 31, 2004 Mar 11, 2005 Dec 31, 2004
10-Q Report FORM 10-Q, PERIOD ENDED SEPTEMBER 30, 2004 Nov 9, 2004 Sep 30, 2004
10-Q Report FORM 10-Q Aug 6, 2004 Jun 30, 2004
10-Q Report FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2004 May 6, 2004 Mar 31, 2004
10-K Report FOR THE PERIOD ENDED DECEMBER 31, 2003 Mar 12, 2004 Dec 31, 2003
10-Q Report FORM 10-Q FOR SEPTEMBER 30, 2003 Nov 14, 2003 Sep 30, 2003
10-Q Report FORM 10-Q Aug 14, 2003 Jun 30, 2003
10-Q Report FORM 10-Q May 15, 2003 Mar 31, 2003
10-K Report FORM 10-K Mar 20, 2003 Dec 31, 2002
10-Q Report FORM 10-Q Nov 14, 2002 Sep 30, 2002
10-Q Report FORM 10-Q Aug 14, 2002 Jun 30, 2002
10-Q Report FORM 10-Q May 15, 2002 Mar 31, 2002
10-Q Report FORM 10-Q Nov 14, 2001 Sep 30, 2001
10-Q Report FORM 10-Q PERIOD ENDING 06/30/2001 Aug 14, 2001 Jun 30, 2001
10-Q Report QUARTERLY FINANCIAL REPORT May 14, 2001 Mar 31, 2001
10-K Report FORM 10-K Mar 30, 2001 Dec 31, 2000
10-Q Report FORM 10-Q Nov 14, 2000 Sep 30, 2000
10-Q Report ADTRAN, INC. Aug 14, 2000 Jun 30, 2000
10-Q Report ADTRAN, INC. May 15, 2000 Mar 31, 2000
10-Q Report QUARTERLY FINANCIAL STATEMENT Nov 12, 1999 Sep 30, 1999
10-Q Report FORM 10-Q Aug 16, 1999 Jun 30, 1999
10-Q Report QUARTERLY REPORT May 14, 1999 Mar 31, 1999
10-K Report ANNUAL REPORT ON FORM 10-K Mar 31, 1999 Dec 31, 1998
10-Q Report QUARTERLY REPORT Nov 13, 1998 Sep 30, 1998
10-Q Report QUARTERLY REPORT Aug 14, 1998 Jun 30, 1998
10-Q Report FIRST QUARTER 1998 May 14, 1998 Mar 31, 1998
10-K Report FORM 10-K FOR FISCAL YEAR END 12/31/97 Mar 31, 1998 Dec 31, 1997
10-Q Report QUARTERLY REPORT Nov 13, 1997 Sep 30, 1997
10-Q Report QUARTERLY REPORT Aug 13, 1997 Jun 30, 1997
10-Q Report QUARTERLY REPORT May 9, 1997 Mar 31, 1997
10-K Report FORM 10-K FOR FISCAL YEAR END 12/31/96 Mar 31, 1997 Dec 31, 1996
10-Q Report FORM 10-Q Nov 13, 1996 Sep 30, 1996
10-Q Report FOR PERIOD ENDED JUNE 30, 1996 Jul 29, 1996 Jun 30, 1996
10-Q Report 1ST QTR 10Q May 13, 1996 Mar 31, 1996