ATEX - CIK 0001304492
Anterix Inc. has filed 861 documents with the SEC between 2004 and 2026. The most frequent type is insider trade (451 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Insider trade | 4 | 2026-05-26 | 2026-05-22 |
| Insider trade | 4 | 2026-05-22 | 2026-05-20 |
| Insider trade | 4 | 2026-05-22 | 2026-05-20 |
| Insider trade | 4 | 2026-05-22 | 2026-05-20 |
| Insider trade | 4 | 2026-05-22 | 2026-05-20 |
| Insider trade | 4 | 2026-05-22 | 2026-05-20 |
| Insider trade | 4 | 2026-05-20 | 2026-05-18 |
| Insider trade | 4 | 2026-05-20 | 2026-05-18 |
| Insider trade | 4 | 2026-05-19 | 2026-05-15 |
| SCHEDULE 13G/A | - | 2026-04-27 | - |
| Major company event (amended) | 8-K/A | 2026-04-21 | 2026-04-21 |
| Major company event | 8-K | 2026-04-21 | 2026-04-21 |
| Insider sale notice | 144 | 2026-04-17 | - |
| Insider sale notice | 144 | 2026-04-16 | - |
| Major company event | 8-K | 2026-04-06 | 2026-03-31 |
| Major company event | 8-K | 2026-04-01 | 2026-03-25 |
| Insider trade | 4 | 2026-03-04 | 2026-03-03 |
| Insider sale notice | 144 | 2026-03-03 | - |
| Insider sale notice | 144 | 2026-03-02 | - |
| Insider sale notice | 144 | 2026-02-19 | - |
| Quarterly report | 10-Q | 2026-02-11 | 2025-12-31 |
| Major company event | 8-K | 2026-02-11 | 2026-02-11 |
| Major company event | 8-K | 2026-02-02 | 2026-01-30 |
| SCHEDULE 13G/A | - | 2026-01-30 | - |
| Major company event | 8-K | 2026-01-07 | 2026-01-07 |
| Insider trade | 4 | 2025-12-19 | 2025-12-18 |
| Insider trade | 4 | 2025-12-10 | 2025-12-08 |
| Insider trade | 4 | 2025-11-19 | 2025-11-18 |
| Insider sale notice | 144 | 2025-11-18 | - |
| SCHEDULE 13G/A | - | 2025-11-12 | - |
| Quarterly report | 10-Q | 2025-11-12 | 2025-09-30 |
| Major company event | 8-K | 2025-11-12 | 2025-11-12 |
| New insider ownership | 3 | 2025-11-04 | 2025-09-17 |
| Insider trade | 4 | 2025-11-04 | 2025-09-29 |
| New insider ownership | 3 | 2025-11-04 | 2025-09-22 |
| SCHEDULE 13G/A | - | 2025-10-17 | - |
| Major company event | 8-K | 2025-10-09 | 2025-10-09 |
| Insider trade | 4 | 2025-09-19 | 2025-09-18 |
| Major company event | 8-K | 2025-09-18 | 2025-09-18 |
| Insider trade | 4 | 2025-08-21 | 2025-08-19 |
| SCHEDULE 13G | - | 2025-08-14 | - |
| Quarterly report | 10-Q | 2025-08-12 | 2025-06-30 |
| Major company event | 8-K | 2025-08-12 | 2025-08-12 |
| Insider trade | 4 | 2025-08-07 | 2025-08-05 |
| Major company event | 8-K | 2025-08-07 | 2025-08-05 |
| Insider trade | 4 | 2025-08-07 | 2025-08-05 |
| Insider trade | 4 | 2025-08-07 | 2025-08-05 |
| Insider trade | 4 | 2025-08-07 | 2025-08-05 |
| Insider trade | 4 | 2025-08-07 | 2025-08-05 |
| Insider trade | 4 | 2025-07-15 | 2025-07-12 |