SEC 8-K
SEC 8-K: Item 5.02, 8.01, 9.01
Official SEC filing update. Items: 5.02, 8.01, 9.01.
Item 5.02, 8.01, 9.01Accession 0001193125-26-283882
Official SEC filings
ADTRAN Holdings, Inc. SEC Filings and Updates
A filing-level feed of official SEC EDGAR updates collected by Billiver. This page shows metadata and source links only; full filing text opens on SEC.gov.
ADTRAN Holdings, Inc. Official SEC Updates
Official filing updates from SEC EDGAR. Billiver stores internal evidence snapshots for verification, but this page links to the SEC source instead of republishing full filing text.
Open SEC filing
SEC 8-K
SEC 8-K: Item 5.03, 5.07, 9.01
Official SEC filing update. Items: 5.03, 5.07, 9.01.
Item 5.03, 5.07, 9.01Accession 0001193125-26-228208
SEC 10-Q
SEC 10-Q
Official SEC filing update.
10-QAccession 0001193125-26-205276
SEC 8-K
SEC 8-K: Item 2.02, 7.01, 9.01
Official SEC filing update. Items: 2.02, 7.01, 9.01.
Item 2.02, 7.01, 9.01Accession 0001193125-26-204995
SEC 8-K
SEC 8-K: Item 5.02, 9.01
Official SEC filing update. Items: 5.02, 9.01.
Item 5.02, 9.01Accession 0001193125-26-145496
SEC DEF 14A
SEC DEF 14A
Official SEC filing update.
DEF 14AAccession 0001193125-26-127315
SEC 10-K
SEC 10-K
Official SEC filing update.
10-KAccession 0001193125-26-073878
SEC 8-K
SEC 8-K: Item 2.02, 7.01, 9.01
Official SEC filing update. Items: 2.02, 7.01, 9.01.
Item 2.02, 7.01, 9.01Accession 0001193125-26-073361
SEC 8-K
SEC 8-K: Item 2.02, 7.01, 9.01
Official SEC filing update. Items: 2.02, 7.01, 9.01.
Item 2.02, 7.01, 9.01Accession 0001193125-26-018367
SEC 8-K
SEC 8-K: Item 5.02, 9.01
Official SEC filing update. Items: 5.02, 9.01.
Item 5.02, 9.01Accession 0001193125-25-315910
SEC 10-Q
SEC 10-Q
Official SEC filing update.
10-QAccession 0001193125-25-264157
SEC 8-K
SEC 8-K: Item 2.02, 7.01, 9.01
Official SEC filing update. Items: 2.02, 7.01, 9.01.
Item 2.02, 7.01, 9.01Accession 0001193125-25-263524
SEC 8-K
SEC 8-K: Item 1.01, 2.03, 3.02, 9.01
Official SEC filing update. Items: 1.01, 2.03, 3.02, 9.01.
Item 1.01, 2.03, 3.02, 9.01Accession 0001193125-25-211271
SEC 8-K
SEC 8-K: Item 1.01, 8.01, 9.01
Official SEC filing update. Items: 1.01, 8.01, 9.01.
Item 1.01, 8.01, 9.01Accession 0001193125-25-205483
SEC 10-Q
SEC 10-Q
Official SEC filing update.
10-QAccession 0000950170-25-102561
Source: SEC EDGAR · 15 filings
Informational only. Not investment advice.