05/22/2024
8:00 AM | ADTRAN (Filer)
| Form SD
Specialized Disclosure Report | |
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 | |
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03/27/2024
8:05 AM | ADTRAN (Filer)
| Form DEFA14A | |
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 | |
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09/07/2023
4:20 PM | ADTRAN (Issuer)
STANTON THOMAS R (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
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 | |
