05/10/2024 12:37 PM | ADTRAN (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
05/10/2024 1:00 PM | ADTRAN (Filer)
| Form S-8 Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans | |
05/07/2024 6:00 AM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/17/2024 3:43 PM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/04/2024 9:45 AM | ADTRAN (Filer)
| Form DEFA14A | |
03/27/2024 8:00 AM | ADTRAN (Filer)
| Form DEF 14A | |
03/27/2024 8:05 AM | ADTRAN (Filer)
| Form DEFA14A | |
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03/27/2024 8:10 AM | ADTRAN (Filer)
| Form ARS | |
03/25/2024 3:09 PM | ADTRAN (Subject) Divisar Capital Management LLC (Filed by)
| Form SC 13G | |
03/15/2024 1:36 PM | ADTRAN (Filer)
| Form 10-K Annual report pursuant to Section 13 or 15(d) | |
03/15/2024 6:30 AM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
02/27/2024 5:59 AM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
02/20/2024 3:52 PM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
02/12/2024 5:04 PM | ADTRAN (Subject) WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (Filed by)
| Form SC 13G | |
02/12/2024 10:21 AM | ADTRAN (Subject) VANGUARD GROUP INC (Filed by)
| Form SC 13G/A | |
02/12/2024 9:50 AM | ADTRAN (Subject) VANGUARD GROUP INC (Filed by)
| Form SC 13G/A | |
01/23/2024 3:28 PM | ADTRAN (Issuer) STANTON THOMAS R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/23/2024 3:28 PM | ADTRAN (Issuer) Wilson James Denson Jr (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/22/2024 1:03 PM | ADTRAN (Subject) BlackRock Inc. (Filed by)
| Form SC 13G/A | |
01/22/2024 7:00 AM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
01/03/2024 4:49 PM | ADTRAN (Issuer) HUSS H FENWICK (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/03/2024 4:50 PM | ADTRAN (Issuer) Nair Balan (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/03/2024 4:51 PM | ADTRAN (Issuer) Protiva Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/03/2024 4:52 PM | ADTRAN (Issuer) McCray Gregory James (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/03/2024 4:37 PM | ADTRAN (Issuer) Jacqueline Hourigan Rice (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/03/2024 4:41 PM | ADTRAN (Issuer) Theodosopoulos Nikos (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/03/2024 4:42 PM | ADTRAN (Issuer) Walker Kathryn A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/06/2023 3:06 PM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
11/09/2023 3:43 PM | ADTRAN (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
11/07/2023 5:06 AM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/24/2023 3:10 PM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/17/2023 6:31 AM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
09/29/2023 7:15 AM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
09/21/2023 3:47 PM | ADTRAN (Issuer) Hey Johanna (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/07/2023 4:15 PM | ADTRAN (Issuer) Hey Johanna (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/07/2023 4:16 PM | ADTRAN (Issuer) Jacqueline Hourigan Rice (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/07/2023 4:17 PM | ADTRAN (Issuer) HUSS H FENWICK (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/07/2023 4:18 PM | ADTRAN (Issuer) McCray Gregory James (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/07/2023 4:19 PM | ADTRAN (Issuer) Nair Balan (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/07/2023 4:20 PM | ADTRAN (Issuer) Protiva Brian (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/07/2023 4:20 PM | ADTRAN (Issuer) STANTON THOMAS R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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09/07/2023 4:21 PM | ADTRAN (Issuer) Theodosopoulos Nikos (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/07/2023 4:22 PM | ADTRAN (Issuer) Walker Kathryn A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/07/2023 4:22 PM | ADTRAN (Issuer) Wilson James Denson Jr (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/14/2023 3:48 PM | ADTRAN (Filer)
| Form 8-K/A | |
08/14/2023 3:23 PM | ADTRAN (Filer)
| Form 10-Q/A | |
08/07/2023 5:15 AM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
06/28/2023 4:05 PM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
06/28/2023 3:16 PM | ADTRAN (Filer)
| Form 11-K Annual reports of employee stock purchase, savings and similar plans pursuant to Section 15(d) | |
06/08/2023 4:11 PM | ADTRAN (Issuer) Wilson James Denson Jr (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/30/2023 4:27 PM | ADTRAN (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
05/26/2023 10:26 AM | ADTRAN (Filer)
| Form SD Specialized Disclosure Report | |