Year archive

ADTRAN Holdings, Inc. — 2018 filings

All 93 regulatory filings released by ADTRAN Holdings, Inc. (ADTN) in 2018, sourced directly from the official regulator.

93 Filings

2018 Period

2018 filings (93)

Filing	Released	Lang
PRIMARY DOCUMENT Director's Dealing	2018-12-31	English
PRIMARY DOCUMENT Director's Dealing	2018-12-31	English
8-K Regulatory Filings	2018-12-06	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-21	English
PRIMARY DOCUMENT Director's Dealing	2018-11-20	English
PRIMARY DOCUMENT Director's Dealing	2018-11-20	English
PRIMARY DOCUMENT Director's Dealing	2018-11-20	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
PRIMARY DOCUMENT Director's Dealing	2018-11-16	English
10-Q Interim / Quarterly Report Q3 2018	2018-11-06	English
8-K Regulatory Filings	2018-10-17	English
PRIMARY DOCUMENT Director's Dealing	2018-08-17	English
PRIMARY DOCUMENT Director's Dealing	2018-08-17	English
PRIMARY DOCUMENT Director's Dealing	2018-08-17	English
PRIMARY DOCUMENT Director's Dealing	2018-08-17	English
PRIMARY DOCUMENT Director's Dealing	2018-08-17	English
PRIMARY DOCUMENT Director's Dealing	2018-08-17	English
PRIMARY DOCUMENT Director's Dealing	2018-08-17	English
PRIMARY DOCUMENT Director's Dealing	2018-08-17	English
PRIMARY DOCUMENT Director's Dealing	2018-08-17	English
PRIMARY DOCUMENT Director's Dealing	2018-08-17	English
PRIMARY DOCUMENT Director's Dealing	2018-08-17	English
10-Q Interim / Quarterly Report Q2 2018	2018-08-03	English
8-K Regulatory Filings	2018-07-18	English
11-K Regulatory Filings	2018-06-27	English
Major Shareholding Notification 2018 Major Shareholding Notification	2018-06-11	English
FORM SD Regulatory Filings	2018-05-31	English
PRIMARY DOCUMENT Director's Dealing	2018-05-17	English
PRIMARY DOCUMENT Director's Dealing	2018-05-17	English
PRIMARY DOCUMENT Director's Dealing	2018-05-17	English
PRIMARY DOCUMENT Director's Dealing	2018-05-17	English
PRIMARY DOCUMENT Director's Dealing	2018-05-17	English
PRIMARY DOCUMENT Director's Dealing	2018-05-17	English
PRIMARY DOCUMENT Director's Dealing	2018-05-17	English
PRIMARY DOCUMENT Director's Dealing	2018-05-17	English
PRIMARY DOCUMENT Director's Dealing	2018-05-17	English
PRIMARY DOCUMENT Director's Dealing	2018-05-17	English
PRIMARY DOCUMENT Director's Dealing	2018-05-17	English
PRIMARY DOCUMENT Director's Dealing	2018-05-15	English
8-K Regulatory Filings	2018-05-10	English
10-Q Interim / Quarterly Report Q1 2018	2018-05-09	English
8-K Regulatory Filings	2018-04-18	English
DEF 14A Proxy Solicitation & Information Statement	2018-04-04	English
8-K - SUMITOMO ACQUISITION Regulatory Filings	2018-03-21	English
10-K Annual Report FY 2017	2018-02-23	English
PRIMARY DOCUMENT Director's Dealing	2018-02-15	English
PRIMARY DOCUMENT Director's Dealing	2018-02-15	English
PRIMARY DOCUMENT Director's Dealing	2018-02-15	English
PRIMARY DOCUMENT Director's Dealing	2018-02-15	English
PRIMARY DOCUMENT Director's Dealing	2018-02-15	English
PRIMARY DOCUMENT Director's Dealing	2018-02-15	English
PRIMARY DOCUMENT Director's Dealing	2018-02-15	English
PRIMARY DOCUMENT Director's Dealing	2018-02-15	English
PRIMARY DOCUMENT Director's Dealing	2018-02-15	English
PRIMARY DOCUMENT Director's Dealing	2018-02-15	English
PRIMARY DOCUMENT Director's Dealing	2018-02-15	English
Major Shareholding Notification 2018 Major Shareholding Notification	2018-02-14	English
Major Shareholding Notification 2018 Major Shareholding Notification	2018-02-14	English
SCHEDULE 13G/A Major Shareholding Notification	2018-02-09	English
Major Shareholding Notification 2018 Major Shareholding Notification	2018-02-08	English
Major Shareholding Notification 2018 Major Shareholding Notification	2018-02-07	English
Major Shareholding Notification 2018 Major Shareholding Notification	2018-01-19	English
8-K Regulatory Filings	2018-01-17	English
PRIMARY DOCUMENT Director's Dealing	2018-01-02	English
PRIMARY DOCUMENT Director's Dealing	2018-01-02	English
PRIMARY DOCUMENT Director's Dealing	2018-01-02	English
PRIMARY DOCUMENT Director's Dealing	2018-01-02	English
PRIMARY DOCUMENT Director's Dealing	2018-01-02	English
PRIMARY DOCUMENT Director's Dealing	2018-01-02	English
PRIMARY DOCUMENT Director's Dealing	2018-01-02	English
PRIMARY DOCUMENT Director's Dealing	2018-01-02	English

Filings by year

2026 88 filings
2025 234 filings
2024 223 filings
2023 300 filings
2022 333 filings
2021 159 filings
2020 101 filings
2019 109 filings
2018 93 filings
2017 97 filings
2016 77 filings
2015 77 filings
2014 83 filings
2013 89 filings
2012 88 filings
2011 59 filings
2010 44 filings