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 76-100 of 112 matching filings.

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25
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4
SC 13G/A File 005-44919

SC 13G/A filing

Filing date
14 Feb 2013
Reporting date
Not listed
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SC 13G File 005-44919

SC 13G filing

Filing date
13 Feb 2013
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SC 13G/A File 005-44919

SCHEDULE 13G/A (AMENDMENT NO 6)

Filing date
12 Feb 2013
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SC 13G/A File 005-44919

SCHEDULE 13G/A (AMENDMENT NO. 7)

Filing date
12 Feb 2013
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SC 13G/A File 005-44919

ADTN AS OF 12/31/12

Filing date
11 Feb 2013
Reporting date
Not listed
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SC 13G/A File 005-44919

SC 13G/A filing

Filing date
08 Feb 2013
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Not listed
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SC 13G File 005-44919

ADTRAN INC

Filing date
06 Feb 2013
Reporting date
Not listed
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SC 13G/A File 005-44919

SC 13G/A filing

Filing date
24 Jan 2013
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SC 13G/A File 005-44919

SC 13G/A filing

Filing date
03 Jan 2013
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SC 13G/A File 005-44919

SC 13G/A filing

Filing date
13 Nov 2012
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SC 13G/A File 005-44919

DISCLOSURE DOCUMENT

Filing date
10 Oct 2012
Reporting date
Not listed
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SC 13G File 005-44919

ADTN AS OF 09/30/2012

Filing date
10 Oct 2012
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Not listed
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SC 13G File 005-44919

SC 13G filing

Filing date
10 Sep 2012
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Not listed
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SC 13G/A File 005-44919

SC 13G/A filing

Filing date
07 Aug 2012
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Not listed
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SC 13G/A File 005-44919

DISCLOSURE DOCUMENT

Filing date
12 Mar 2012
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SC 13G/A File 005-44919

DISCLOSURE DOCUMENT

Filing date
14 Feb 2012
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SC 13G/A File 005-44919

SC 13G/A

Filing date
13 Feb 2012
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Not listed
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SC 13G/A File 005-44919

SC 13G/A filing

Filing date
10 Feb 2012
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SC 13G/A File 005-44919

SCHEDULE 13G/A (AMENDMENT NO. 6)

Filing date
08 Feb 2012
Reporting date
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SC 13G/A File 005-44919

SCHEDULE 13G/A (AMENDMENT NO. 5)

Filing date
08 Feb 2012
Reporting date
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SC 13G File 005-44919

SC 13G filing

Filing date
20 Jan 2012
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SC 13G/A File 005-44919

SC 13G/A filing

Filing date
05 Jan 2012
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SC 13G/A File 005-44919

SEC FILING

Filing date
10 Aug 2011
Reporting date
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SC 13G/A File 005-44919

DOC ONE

Filing date
10 Jun 2011
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SC 13G/A File 005-44919

DOC ONE

Filing date
14 Feb 2011
Reporting date
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