Anterix Inc. - ATEX
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 49
Latest filed: Aug 20, 2026
| Form | Count |
|---|---|
| 4 | 28 |
| 144 | 9 |
| 8-K | 6 |
| 4/A | 2 |
| SCHEDULE 13D/A | 1 |
| SCHEDULE 13G | 1 |
| SCHEDULE 13G/A | 1 |
| 8-K/A | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Aug 20, 2026 | 4 | Aug 19, 2026 | 0002035875-26-000009 | View |
| Aug 18, 2026 | 4 | Aug 14, 2026 | 0002035875-26-000006 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001571601-26-000010 | View |
| Aug 14, 2026 | 144 | — | 0001950047-26-008187 | View |
| Aug 14, 2026 | 4/A | Jun 15, 2026 | 0001828490-26-000016 | View |
| Aug 11, 2026 | 8-K | Aug 11, 2026 | 0001304492-26-000045 | View |
| Aug 07, 2026 | 4 | Dec 29, 2025 | 0002035875-26-000004 | View |
| Aug 06, 2026 | 4 | Aug 04, 2026 | 0000902664-26-003332 | View |
| Aug 06, 2026 | 8-K | Aug 04, 2026 | 0001304492-26-000041 | View |
| Aug 06, 2026 | 4 | Aug 04, 2026 | 0002035875-26-000002 | View |
| Aug 06, 2026 | 4 | Aug 04, 2026 | 0001052559-26-000002 | View |
| Aug 06, 2026 | 4 | Aug 04, 2026 | 0001182496-26-000013 | View |
| Aug 06, 2026 | 4 | Aug 04, 2026 | 0002036507-26-000007 | View |
| Jul 14, 2026 | 4 | Jul 13, 2026 | 0001828490-26-000013 | View |
| Jul 14, 2026 | 4 | Jul 13, 2026 | 0002090789-26-000009 | View |
| Jul 10, 2026 | 4/A | Jun 15, 2026 | 0001828490-26-000011 | View |
| Jul 08, 2026 | SCHEDULE 13D/A | — | 0000902664-26-003041 | View |
| Jul 08, 2026 | SCHEDULE 13G | — | 0001897612-26-000524 | View |
| Jun 22, 2026 | 4 | Jun 18, 2026 | 0001571601-26-000008 | View |
| Jun 18, 2026 | 4 | Jun 17, 2026 | 0002090789-26-000007 | View |
| Jun 17, 2026 | 4 | Jun 16, 2026 | 0001182496-26-000007 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0002036507-26-000004 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001571601-26-000006 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001669943-26-000017 | View |
| Jun 17, 2026 | 4 | Jun 15, 2026 | 0001828490-26-000008 | View |
| Jun 17, 2026 | 144 | — | 0001950047-26-006246 | View |
| Jun 16, 2026 | 144 | — | 0001949846-26-000387 | View |
| Jun 15, 2026 | 144 | — | 0001950047-26-006117 | View |
| Jun 15, 2026 | 144 | — | 0001950047-26-006069 | View |
| Jun 10, 2026 | 8-K | Jun 10, 2026 | 0001304492-26-000024 | View |
| May 26, 2026 | 4 | May 22, 2026 | 0001669943-26-000012 | View |
| May 22, 2026 | 4 | May 20, 2026 | 0001669943-26-000010 | View |
| May 22, 2026 | 4 | May 20, 2026 | 0001571601-26-000002 | View |
| May 22, 2026 | 4 | May 20, 2026 | 0001828490-26-000005 | View |
| May 22, 2026 | 4 | May 20, 2026 | 0002090798-26-000003 | View |
| May 22, 2026 | 4 | May 20, 2026 | 0002090789-26-000005 | View |
| May 20, 2026 | 4 | May 18, 2026 | 0001669943-26-000008 | View |
| May 20, 2026 | 4 | May 18, 2026 | 0001828490-26-000003 | View |
| May 19, 2026 | 4 | May 15, 2026 | 0002090789-26-000003 | View |
| Apr 27, 2026 | SCHEDULE 13G/A | — | 0002012383-26-001671 | View |
| Apr 21, 2026 | 8-K/A | Apr 21, 2026 | 0001304492-26-000022 | View |
| Apr 21, 2026 | 8-K | Apr 21, 2026 | 0001304492-26-000019 | View |
| Apr 17, 2026 | 144 | — | 0001950047-26-003593 | View |
| Apr 16, 2026 | 144 | — | 0001950047-26-003577 | View |
| Apr 06, 2026 | 8-K | Mar 31, 2026 | 0001304492-26-000016 | View |
| Apr 01, 2026 | 8-K | Mar 25, 2026 | 0001304492-26-000014 | View |
| Mar 04, 2026 | 4 | Mar 03, 2026 | 0001669943-26-000002 | View |
| Mar 03, 2026 | 144 | — | 0001950047-26-002080 | View |
| Mar 02, 2026 | 144 | — | 0001950047-26-002041 | View |