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 751-775 of 1,000 matching filings.

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25

Current page

31

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 04 Dec 2019
Reporting date: 02 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3/A

PRIMARY DOCUMENT

Filing date: 26 Nov 2019
Reporting date: 26 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 25 Nov 2019
Reporting date: 25 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3/A

PRIMARY DOCUMENT

Filing date: 20 Nov 2019
Reporting date: 25 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 20 Nov 2019
Reporting date: 09 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 20 Nov 2019
Reporting date: 09 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 20 Nov 2019
Reporting date: 09 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 20 Nov 2019
Reporting date: 09 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 20 Nov 2019
Reporting date: 09 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Nov 2019
Reporting date: 15 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3/A

PRIMARY DOCUMENT

Filing date: 19 Nov 2019
Reporting date: 11 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 19 Nov 2019
Reporting date: 15 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Nov 2019
Reporting date: 15 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Nov 2019
Reporting date: 15 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Nov 2019
Reporting date: 15 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 18 Nov 2019
Reporting date: 15 Nov 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

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