ADTRAN Holdings, Inc. 8-K and 8-K/A 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
8-K Report | Data 8-K Aug 6, 2024 Aug 5, 2024
8-K Report | Data 8-K Aug 2, 2024 Jul 31, 2024
8-K Report | Data 8-K Jun 10, 2024 Jun 4, 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
8-K Report | Data 8-K Mar 15, 2024 Mar 15, 2024
8-K Report | Data 8-K Feb 27, 2024 Feb 26, 2024
8-K Report | Data 8-K Feb 20, 2024 Feb 20, 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
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
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
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
8-K Report | Data 8-K Feb 21, 2023 Feb 21, 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
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
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
8-K Report | Data 8-K Aug 4, 2022 Aug 3, 2022
8-K Report | Data 8-K Jul 22, 2022 Jul 18, 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
8-K Report | Data 8-K May 5, 2022 May 4, 2022
8-K Report | Data 8-K Apr 6, 2022 Apr 1, 2022
8-K Report | Data 8-K Feb 3, 2022 Feb 2, 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
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
8-K Report | Data 8-K Aug 5, 2021 Aug 4, 2021
8-K Report | Data 8-K May 18, 2021 May 12, 2021
8-K Report | Data 8-K May 6, 2021 May 5, 2021
8-K/A Report | Data 8-K/A Feb 26, 2021 Feb 3, 2021
8-K Report | Data 8-K Feb 4, 2021 Feb 3, 2021
8-K Report | Data 8-K Nov 3, 2020 Nov 2, 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
8-K Report | Data 8-K May 7, 2020 May 6, 2020
8-K Report | Data 8-K Feb 25, 2020 Feb 25, 2020
8-K Report | Data 8-K Feb 6, 2020 Feb 5, 2020
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
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
8-K Report 8-K Apr 18, 2019 Apr 17, 2019
8-K Report 8-K Mar 7, 2019 Mar 6, 2019
8-K Report 8-K Jan 24, 2019 Jan 23, 2019
8-K Report 8-K Dec 6, 2018 Dec 6, 2018
8-K Report 8-K Oct 17, 2018 Oct 16, 2018
8-K Report 8-K Jul 18, 2018 Jul 17, 2018
8-K Report 8-K May 10, 2018 May 9, 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
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
8-K Report 8-K Oct 18, 2017 Oct 17, 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
8-K Report 8-K Apr 19, 2017 Apr 18, 2017
8-K Report FORM 8-K Feb 7, 2017 Jan 17, 2017
8-K Report 8-K Jan 18, 2017 Jan 17, 2017
8-K Report FORM 8-K Nov 16, 2016 Nov 12, 2016
8-K Report 8-K Oct 19, 2016 Oct 18, 2016
8-K Report 8-K Sep 14, 2016 Sep 14, 2016
8-K Report FORM 8-K Aug 17, 2016 Aug 15, 2016
8-K Report FORM 8-K Jul 13, 2016 Jul 12, 2016
8-K Report FORM 8-K May 13, 2016 May 11, 2016
8-K Report | Data 8-K Apr 13, 2016 Apr 12, 2016
8-K Report 8-K Apr 8, 2016 Apr 8, 2016
8-K Report 8-K Feb 11, 2016 Feb 8, 2016
8-K Report FORM 8-K Jan 20, 2016 Jan 19, 2016
8-K Report 8-K Nov 16, 2015 Nov 14, 2015
8-K Report 8-K Oct 14, 2015 Oct 13, 2015
8-K Report 8-K Jul 16, 2015 Jul 14, 2015
8-K Report FORM 8-K Jul 15, 2015 Jul 14, 2015
8-K Report FORM 8-K May 15, 2015 May 13, 2015
8-K Report 8-K Apr 22, 2015 Apr 21, 2015
8-K Report 8-K Feb 23, 2015 Feb 20, 2015
8-K Report FORM 8-K Jan 21, 2015 Jan 20, 2015
8-K Report 8-K Oct 15, 2014 Oct 14, 2014
8-K Report FORM 8-K Oct 3, 2014 Oct 2, 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
8-K Report 8-K Apr 16, 2014 Apr 15, 2014
8-K Report 8-K Apr 3, 2014 Apr 2, 2014
8-K Report ADTRAN, INC. - 8-K Jan 22, 2014 Jan 21, 2014
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
8-K Report ADTRAN, INC. 8-K Jul 10, 2013 Jul 9, 2013
8-K Report 8-K May 10, 2013 May 8, 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
8-K Report ADTRAN, INC. 8-K Jan 16, 2013 Jan 15, 2013
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
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
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
8-K Report ADTRAN, INC. 8-K Jan 18, 2012 Jan 17, 2012
8-K Report FORM 8-K Dec 12, 2011 Dec 12, 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
8-K Report ADTRAN, INC. 8-K Jul 13, 2011 Jul 12, 2011
8-K Report FORM 8-K May 9, 2011 May 4, 2011
8-K Report ADTRAN, INC. 8-K Apr 13, 2011 Apr 12, 2011
8-K Report ADTRAN, INC. 8-K Jan 19, 2011 Jan 18, 2011
8-K Report FORM 8-K Nov 9, 2010 Nov 6, 2010
8-K Report ADTRAN, INC. 8-K Oct 13, 2010 Oct 12, 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
8-K Report ADTRAN, INC. 8-K Apr 14, 2010 Apr 13, 2010
8-K Report ADTRAN, INC. 8-K Jan 20, 2010 Jan 19, 2010