186 filings
8-K
ADTN
ADTRAN Holdings, Inc.
17 Apr 24
Cost Associated with Exit or Disposal Activities
4:43pm
8-K
ADTN
ADTRAN Holdings, Inc.
15 Mar 24
Results of Operations and Financial Condition
7:30am
8-K
ADTN
ADTRAN Holdings, Inc.
27 Feb 24
ADTRAN Holdings, Inc. reports preliminary fourth quarter 2023 financial results
6:59am
8-K
ADTN
ADTRAN Holdings, Inc.
20 Feb 24
Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review
4:52pm
8-K
ADTN
ADTRAN Holdings, Inc.
22 Jan 24
Entry into a Material Definitive Agreement
8:00am
8-K
fdfsy
6 Dec 23
Departure of Directors or Certain Officers
4:06pm
8-K
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5 Dec 23
Departure of Directors or Certain Officers
4:06pm
8-K
kmg8v
7 Nov 23
ADTRAN Holdings, Inc. reports third quarter 2023 financial results and announces business efficiency program
6:06am
8-K
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24 Oct 23
Departure of Directors or Certain Officers
4:10pm
8-K
c3ke678
17 Oct 23
ADTRAN Holdings announces preliminary results for the third quarter of 2023
7:31am
8-K
brhid9ufcd3inrsm
29 Sep 23
Departure of Directors or Certain Officers
8:15am
8-K
zyix9 h00
10 Aug 23
Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review
4:07pm
8-K
23ciw0 bsb
7 Aug 23
ADTRAN Holdings, Inc. reports second quarter 2023 results
6:15am
8-K
rvkarfmpia3 svub
28 Jun 23
Departure of Directors or Certain Officers
5:05pm
8-K
s37cgx8ehqw8j5mrl
1 Jun 23
Departure of Directors or Certain Officers
4:35pm
8-K
yufqdm
30 May 23
Departure of Directors or Certain Officers
5:27pm
8-K
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12 May 23
Submission of Matters to a Vote of Security Holders
5:31pm
8-K
nsfm7
9 May 23
ADTRAN Holdings, Inc. Reports Earnings for the First Quarter of 2023 and Declares Quarterly Cash Dividend
7:36am
8-K
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11 Apr 23
ADTRAN Holdings Announces Preliminary Results for the First Quarter of 2023
8:40am
8-K
74giag6
3 Apr 23
Departure of Directors or Certain Officers
4:01pm