187 filings
Page 2 of 10
8-K
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3 Apr 23
Departure of Directors or Certain Officers
4:01pm
8-K
0em16y
30 Mar 23
Departure of Directors or Certain Officers
2:30pm
8-K
5rh7tm
21 Feb 23
ADTRAN Holdings, Inc. Reports Preliminary Earnings for the Fourth Quarter of 2022 and Declares Quarterly Cash Dividend
6:31am
8-K
mcyzn6dszuhinhxd
8 Feb 23
Termination of a Material Definitive Agreement
4:05pm
8-K
5nefnv3h
26 Jan 23
Departure of Directors or Certain Officers
5:18pm
8-K
alolz
19 Jan 23
Other Events
9:00am
8-K
5smg 8qr1lthohv
5 Dec 22
Entry into a Material Definitive Agreement
11:21am
8-K
ty5uensj
8 Nov 22
ADTRAN Holdings, Inc. Reports Earnings for the Third Quarter of 2022 and Declares Quarterly Cash Dividend
7:31am
8-K
8fxopqkctdyg3xvqwcq
26 Oct 22
Other Events
2:07pm
8-K
tu5uwlgsu2
24 Oct 22
ADTRAN Holdings Announces Preliminary Results for the Third Quarter of 2022
6:12pm
8-K
3nq4dfqe46lnus yst
18 Oct 22
Other Events
1:41pm
8-K
1ko994skvufoc
4 Aug 22
ADTRAN Holdings, Inc. Reports Earnings for the Second Quarter of 2022 and Declares Quarterly Cash Dividend
7:30am
8-K
bhm0cok jwrnl98xv
22 Jul 22
Entry into a Material Definitive Agreement
4:02pm
8-K
sor0rx7t0o28z1l
15 Jul 22
Completion of Acquisition or Disposition of Assets
5:03pm
8-K
bfxef
8 Jul 22
Completion of Acquisition or Disposition of Assets
12:25pm
8-K
kmsw4 wi6qpt
7 Jul 22
Start of Negotiations of a Domination Agreement or a
6:08am
8-K
dm9eikilwu3tndycxr
30 Jun 22
Temporary Suspension of Trading Under Registrant's Employee Benefit Plans
5:16pm
8-K
vzvn0m4 xzmn1e
23 May 22
Entry into a Material Definitive Agreement
2:25pm
8-K
1dfh8yb0
13 May 22
Submission of Matters to a Vote of Security Holders
9:42am
8-K
6omtrqi3o6lmcze0
5 May 22
ADTRAN, Inc. Reports Earnings for the First Quarter of 2022 and Declares Quarterly Cash Dividend
7:30am