ADTRAN Holdings, Inc. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Huntsville, AL
SEC filing record 1 source field available
Fiscal year end
31 December
ADTRAN Holdings, Inc. has filed 2,099 SEC EDGAR filings since 07 Feb 1996

SEC filing history

Showing 801-825 of 1,000 matching filings.

Per page
25
Current page
33
11-K File 000-24612

11-K

Filing date
27 Jun 2019
Reporting date
31 Dec 2018
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SD File 000-24612

SD

Filing date
30 May 2019
Reporting date
Not listed
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4/A

PRIMARY DOCUMENT

Filing date
24 May 2019
Reporting date
31 Dec 2018
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4/A

PRIMARY DOCUMENT

Filing date
24 May 2019
Reporting date
31 Dec 2018
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4/A

PRIMARY DOCUMENT

Filing date
24 May 2019
Reporting date
31 Dec 2018
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4

PRIMARY DOCUMENT

Filing date
20 May 2019
Reporting date
16 May 2019
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4

PRIMARY DOCUMENT

Filing date
20 May 2019
Reporting date
16 May 2019
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4

PRIMARY DOCUMENT

Filing date
20 May 2019
Reporting date
16 May 2019
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4

PRIMARY DOCUMENT

Filing date
20 May 2019
Reporting date
16 May 2019
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4

PRIMARY DOCUMENT

Filing date
20 May 2019
Reporting date
16 May 2019
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4

PRIMARY DOCUMENT

Filing date
20 May 2019
Reporting date
16 May 2019
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4

PRIMARY DOCUMENT

Filing date
20 May 2019
Reporting date
16 May 2019
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4

PRIMARY DOCUMENT

Filing date
20 May 2019
Reporting date
16 May 2019
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4

PRIMARY DOCUMENT

Filing date
20 May 2019
Reporting date
16 May 2019
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4

PRIMARY DOCUMENT

Filing date
20 May 2019
Reporting date
16 May 2019
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4

PRIMARY DOCUMENT

Filing date
20 May 2019
Reporting date
16 May 2019
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8-K File 000-24612

8-K

Filing date
09 May 2019
Reporting date
08 May 2019
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4

PRIMARY DOCUMENT

Filing date
25 Apr 2019
Reporting date
23 Apr 2019
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4

PRIMARY DOCUMENT

Filing date
25 Apr 2019
Reporting date
23 Apr 2019
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8-K File 000-24612

8-K

Filing date
18 Apr 2019
Reporting date
17 Apr 2019
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3

PRIMARY DOCUMENT

Filing date
11 Apr 2019
Reporting date
11 Feb 2019
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DEF 14A File 000-24612

DEF 14A

Filing date
03 Apr 2019
Reporting date
08 May 2019
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3

PRIMARY DOCUMENT

Filing date
02 Apr 2019
Reporting date
25 Feb 2019
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5

PRIMARY DOCUMENT

Filing date
19 Mar 2019
Reporting date
31 Dec 2018
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