ADTN ADTRAN Holdings, Inc.

NASDAQ
$4.29

ADTRAN Holdings, Inc. (ADTN) SEC Filings

Everything ADTN has filed with the SEC, newest first. An 8-K shows what it was about where we have classified it — an earnings release and a change of chief executive are both 8-Ks, and the form number alone doesn't separate them.

65 filings
Date Form Filing
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10-Q View filing
8-K Earnings Release · Guidance Update · Investor Presentation · Reg Fd View filing
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SCHEDULE 13G View filing
8-K Executive Change · Other Event View filing
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10-Q View filing
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10-Q View filing
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4/A View filing
10-K View filing
4/A View filing
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4 View filing
10-Q View filing
10-Q View filing
10-Q View filing
10-K/A View filing
10-K View filing
10-Q View filing
10-Q View filing
10-Q View filing
10-K View filing
10-Q/A View filing
10-Q/A View filing
10-Q/A View filing
10-Q View filing
10-Q View filing
10-Q/A View filing
10-K/A View filing
10-Q/A View filing
10-Q View filing
10-K View filing
10-Q View filing
10-Q View filing
10-Q View filing
10-K View filing
10-Q View filing

Filings are sourced from EDGAR and open on the SEC's own site. Classification of 8-K events is ours and is not part of the filing.