| ADTN 0000926282 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2021-08-30 | 425 | 425 | View Document |
| 2021-08-30 | 425 | 425 | View Document |
| 2021-08-30 | 425 | 425 | View Document |
| 2021-08-30 | 425 | 425 | View Document |
| 2021-08-30 | 425 | 425 | View Document |
| 2021-08-30 | 8-K | FORM 8-K | View Document |
| 2021-08-06 | 10-Q | 10-Q | View Document |
| 2021-08-05 | 8-K | 8-K | View Document |
| 2021-06-29 | 11-K | 11-K | View Document |
| 2021-06-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-06-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-05-21 | SD | SD | View Document |
| 2021-05-18 | 8-K | 8-K | View Document |
| 2021-05-06 | 10-Q | 10-Q | View Document |
| 2021-05-06 | 8-K | 8-K | View Document |
| 2021-03-30 | DEFA14A | DEFA14A | View Document |
| 2021-03-30 | DEF 14A | DEF 14A | View Document |
| 2021-03-08 | 4/A | PRIMARY DOCUMENT | View Document |
| 2021-03-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-03-01 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-26 | 10-K | 10-K | View Document |
| 2021-02-26 | 8-K/A | 8-K/A | View Document |
| 2021-02-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-02-12 | SC 13G/A | SEC SCHEDULE 13G | View Document |
| 2021-02-10 | SC 13G/A | View Document | |
| 2021-02-10 | SC 13G/A | SCHEDULE 13G/A | View Document |
| 2021-02-08 | 3 | PRIMARY DOCUMENT | View Document |
| 2021-02-04 | 8-K | 8-K | View Document |
| 2021-02-02 | SC 13G/A | View Document | |
| 2021-02-02 | SC 13G/A | View Document | |
| 2021-01-25 | SC 13G | View Document | |
| 2021-01-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2021-01-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4/A | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4/A | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4/A | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-12-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-18 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-11-06 | 10-Q | 10-Q | View Document |
| 2020-11-03 | 8-K | 8-K | View Document |
| 2020-10-29 | S-8 | S-8 | View Document |
| 2020-10-29 | S-8 | S-8 | View Document |
| 2020-09-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2020-09-08 | 4 | PRIMARY DOCUMENT | View Document |
