ADTRAN Holdings, Inc. reports

Company location: Huntsville, AL
Fiscal year end: 31 December

ADTRAN Holdings, Inc. has filed 2,099 SEC EDGAR filings since 07 Feb 1996

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SEC filing history

Showing 176-200 of 1,000 matching filings.

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25

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8

4

4

Filing date: 03 Jan 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 03 Jan 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 03 Jan 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 03 Jan 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 03 Jan 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 08 Dec 2023
Reporting date: 07 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-41446

8-K

Filing date: 06 Dec 2023
Reporting date: 04 Dec 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-41446

8-K

Filing date: 05 Dec 2023
Reporting date: 01 Dec 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

4

Filing date: 04 Dec 2023
Reporting date: 01 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 20 Nov 2023
Reporting date: 16 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 20 Nov 2023
Reporting date: 16 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 17 Nov 2023
Reporting date: 15 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4

Filing date: 17 Nov 2023
Reporting date: 15 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-41446

10-Q

Filing date: 09 Nov 2023
Reporting date: 30 Sep 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-41446

8-K

Filing date: 07 Nov 2023
Reporting date: 06 Nov 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-41446

8-K

Filing date: 24 Oct 2023
Reporting date: 18 Oct 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-41446

8-K

Filing date: 17 Oct 2023
Reporting date: 16 Oct 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-41446

FORM 8-K

Filing date: 29 Sep 2023
Reporting date: 25 Sep 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 21 Sep 2023
Reporting date: 19 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 07 Sep 2023
Reporting date: 05 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 07 Sep 2023
Reporting date: 05 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 07 Sep 2023
Reporting date: 09 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 07 Sep 2023
Reporting date: 05 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 07 Sep 2023
Reporting date: 05 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4 SUBMISSION

Filing date: 07 Sep 2023
Reporting date: 05 Sep 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

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