195 filings
8-K
ADTN
ADTRAN Holdings, Inc.
7 May 24
ADTRAN Holdings, Inc. reports first quarter 2024 financial results
7:00am
8-K
ADTN
ADTRAN Holdings, Inc.
3 May 24
Results of Operations and Financial Condition
5:22pm
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
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20 Feb 24
Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review
4:52pm
8-K
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22 Jan 24
Entry into a Material Definitive Agreement
8:00am
8-K
7bc1m9
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
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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
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17 Oct 23
ADTRAN Holdings announces preliminary results for the third quarter of 2023
7:31am
8-K
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29 Sep 23
Departure of Directors or Certain Officers
8:15am
8-K/A
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14 Aug 23
Results of Operations and Financial Condition
4:48pm
8-K
rztvd4jb
10 Aug 23
Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review
4:07pm
8-K/A
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10 Aug 23
ADTRAN Holdings, Inc. Announces Corrected Ex-Dividend Date for Second Quarter Cash Dividend – Payment Amount, Payable Date and Record Date Unchanged
4:05pm
8-K
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7 Aug 23
ADTRAN Holdings, Inc. reports second quarter 2023 results
6:15am
8-K
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28 Jun 23
Departure of Directors or Certain Officers
5:05pm
8-K
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1 Jun 23
Departure of Directors or Certain Officers
4:35pm
8-K
m577bxmnzklv94en64
30 May 23
Departure of Directors or Certain Officers
5:27pm