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4 |
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DOPFER ULRICH |
05/29/24 |
05/24/24 |
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4 |
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GLINGENER CHRISTOPH |
05/29/24 |
05/24/24 |
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SD |
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ADTRAN HOLDINGS, INC. |
05/22/24 |
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S-8 |
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ADTRAN HOLDINGS, INC. |
05/10/24 |
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S-8 |
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ADTRAN HOLDINGS, INC. |
05/10/24 |
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10-Q |
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ADTRAN HOLDINGS, INC. |
05/10/24 |
03/31/24 |
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8-K |
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ADTRAN HOLDINGS, INC. |
05/09/24 |
05/08/24 |
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8-K |
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ADTRAN HOLDINGS, INC. |
05/07/24 |
05/06/24 |
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8-K |
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ADTRAN HOLDINGS, INC. |
05/03/24 |
05/03/24 |
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8-K |
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ADTRAN HOLDINGS, INC. |
04/17/24 |
04/11/24 |
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DEFA14A |
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ADTRAN HOLDINGS, INC. |
04/04/24 |
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ARS |
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ADTRAN HOLDINGS, INC. |
03/27/24 |
12/31/23 |
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DEFA14A |
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ADTRAN HOLDINGS, INC. |
03/27/24 |
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DEF 14A |
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ADTRAN HOLDINGS, INC. |
03/27/24 |
05/08/24 |
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SC 13G |
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DIVISAR CAPITAL MANAGEMENT LLC |
03/25/24 |
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10-K |
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ADTRAN HOLDINGS, INC. |
03/15/24 |
12/31/23 |
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8-K |
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ADTRAN HOLDINGS, INC. |
03/15/24 |
03/15/24 |
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10-Q/A |
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ADTRAN HOLDINGS, INC. |
03/15/24 |
09/30/23 |
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10-Q/A |
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ADTRAN HOLDINGS, INC. |
03/15/24 |
06/30/23 |
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10-Q/A |
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ADTRAN HOLDINGS, INC. |
03/15/24 |
03/31/23 |
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NT 10-K |
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ADTRAN HOLDINGS, INC. |
02/29/24 |
12/31/23 |
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8-K |
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ADTRAN HOLDINGS, INC. |
02/27/24 |
02/26/24 |
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8-K |
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ADTRAN HOLDINGS, INC. |
02/20/24 |
02/20/24 |
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SC 13G |
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WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
02/12/24 |
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SC 13G/A |
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VANGUARD GROUP INC |
02/12/24 |
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