# Anterix Inc.: filings

ATEX · Nasdaq · CIK 1304492 · [Communication](/sectors/communication.md) · fiscal year ends Mar 31

Pages: [Overview](/companies/atex.md) · [Financials](/companies/atex/financials.md) · [Filings](/companies/atex/filings.md) · [Insiders](/companies/atex/insiders.md)

## Reports and events: 217 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 479, 8-K 119, 3 38, 10-Q 35, SC 13G/A 25, 144 24, 4/A 17, SC 13D/A 17, SC 13G 13, 10-K 12, DEF 14A 12, UPLOAD 12, 424B3 10, CORRESP 10, S-8 10, EFFECT 8, S-1/A 8, 424B5 5, 5 5, DRS/A 4, S-3 4, 10-Q/A 3, ARS 3, DEFA14A 3, DRSLTR 3, SC 13D 3, 10-K/A 2, 8-K/A 2, CT ORDER 2, D 2, POS AM 2, PRE 14A 2, S-1 2, SCHEDULE 13D/A 2, SCHEDULE 13G 2, SCHEDULE 13G/A 2, 424B4 1, 8-A12B 1, CERTNAS 1, DEFN14A 1, DEFR14A 1, DRS 1, NT 10-Q 1, S-3MEF 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-09-18 | 20:29 ET | [8-K](/filings/0001304492-26-000053.md) | 8.01 Other events | 0001304492-26-000053 |
| 2026-08-11 | 20:08 ET | [10-Q](/filings/0001304492-26-000046.md) | Quarterly report, period 2026-06-30 | 0001304492-26-000046 |
| 2026-08-11 | 20:05 ET | [8-K](/filings/0001304492-26-000045.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001304492-26-000045 |
| 2026-08-06 | 20:51 ET | [8-K](/filings/0001304492-26-000041.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001304492-26-000041 |
| 2026-07-08 | 21:22 ET | [SCHEDULE 13D/A](/filings/0000902664-26-003041.md) | Ownership report, active investor, amended | 0000902664-26-003041 |
| 2026-06-25 | 20:04 ET | [DEF 14A](/filings/0001304492-26-000029.md) | Proxy statement, period 2026-03-31 | 0001304492-26-000029 |
| 2026-06-25 | 19:05 ET | [10-K](/filings/0001304492-26-000027.md) | Annual report, period 2026-03-31 | 0001304492-26-000027 |
| 2026-06-10 | 20:45 ET | [8-K](/filings/0001304492-26-000024.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001304492-26-000024 |
| 2026-04-21 | 13:16 ET | [8-K/A](/filings/0001304492-26-000022.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001304492-26-000022 |
| 2026-04-21 | 11:32 ET | [8-K](/filings/0001304492-26-000019.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001304492-26-000019 |
| 2026-04-06 | 11:31 ET | [8-K](/filings/0001304492-26-000016.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001304492-26-000016 |
| 2026-04-01 | 11:30 ET | [8-K](/filings/0001304492-26-000014.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001304492-26-000014 |
| 2026-02-11 | 21:46 ET | [10-Q](/filings/0001304492-26-000010.md) | Quarterly report, period 2025-12-31 | 0001304492-26-000010 |
| 2026-02-11 | 21:45 ET | [8-K](/filings/0001304492-26-000009.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001304492-26-000009 |
| 2026-02-02 | 12:38 ET | [8-K](/filings/0001304492-26-000004.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001304492-26-000004 |
| 2026-01-07 | 12:30 ET | [8-K](/filings/0001304492-26-000002.md) | 5.02 Departure or appointment of officers or directors | 0001304492-26-000002 |
| 2025-11-12 | 22:21 ET | [10-Q](/filings/0001304492-25-000109.md) | Quarterly report, period 2025-09-30 | 0001304492-25-000109 |
| 2025-11-12 | 22:20 ET | [8-K](/filings/0001304492-25-000108.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001304492-25-000108 |
| 2025-10-09 | 20:30 ET | [8-K](/filings/0001304492-25-000102.md) | 9.01 Financial statements and exhibits | 0001304492-25-000102 |
| 2025-09-18 | 11:27 ET | [8-K](/filings/0001304492-25-000099.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001304492-25-000099 |
| 2025-08-12 | 20:07 ET | [10-Q](/filings/0001304492-25-000096.md) | Quarterly report, period 2025-06-30 | 0001304492-25-000096 |
| 2025-08-12 | 20:06 ET | [8-K](/filings/0001304492-25-000095.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001304492-25-000095 |
| 2025-08-07 | 20:21 ET | [8-K](/filings/0001304492-25-000090.md) | 5.07 Shareholder vote results | 0001304492-25-000090 |
| 2025-06-30 | 20:16 ET | [8-K](/filings/0001304492-25-000068.md) | 4.01 Change of auditor | 0001304492-25-000068 |
| 2025-06-24 | 20:38 ET | [10-K](/filings/0001304492-25-000056.md) | Annual report, period 2025-03-31 | 0001304492-25-000056 |
| 2025-06-24 | 20:30 ET | [8-K](/filings/0001304492-25-000054.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001304492-25-000054 |
| 2025-03-05 | 02:19 ET | [SCHEDULE 13D/A](/filings/0001213900-25-020900.md) | Ownership report, active investor, amended | 0001213900-25-020900 |
| 2025-02-11 | 21:06 ET | [10-Q](/filings/0001304492-25-000024.md) | Quarterly report, period 2024-12-31 | 0001304492-25-000024 |
| 2025-02-11 | 21:05 ET | [8-K](/filings/0001304492-25-000023.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001304492-25-000023 |
| 2025-01-13 | 12:56 ET | [8-K](/filings/0001304492-25-000004.md) | 8.01 Other events | 0001304492-25-000004 |
| 2024-12-30 | 22:00 ET | [8-K](/filings/0001304492-24-000145.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events | 0001304492-24-000145 |
| 2024-12-09 | 01:45 ET | [SC 13D/A](/filings/0000902664-24-006867.md) | Ownership report, active investor, amended | 0000902664-24-006867 |
| 2024-11-13 | 21:06 ET | [10-Q](/filings/0001304492-24-000121.md) | Quarterly report, period 2024-09-30 | 0001304492-24-000121 |
| 2024-11-13 | 21:05 ET | [8-K](/filings/0001304492-24-000120.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001304492-24-000120 |
| 2024-10-08 | 20:30 ET | [8-K](/filings/0001193125-24-234414.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-234414 |
| 2024-08-08 | 22:56 ET | [SC 13D/A](/filings/0001213900-24-066723.md) | Ownership report, active investor, amended | 0001213900-24-066723 |
| 2024-08-08 | 21:00 ET | [8-K](/filings/0001304492-24-000106.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results | 0001304492-24-000106 |
| 2024-08-06 | 20:31 ET | [10-Q](/filings/0001304492-24-000103.md) | Quarterly report, period 2024-06-30 | 0001304492-24-000103 |
| 2024-08-06 | 20:30 ET | [8-K](/filings/0001304492-24-000102.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001304492-24-000102 |
| 2024-07-29 | 01:12 ET | [SC 13D](/filings/0001013762-24-002223.md) | Ownership report, active investor | 0001013762-24-002223 |
| 2024-07-09 | 11:42 ET | [8-K](/filings/0001304492-24-000089.md) | 8.01 Other events | 0001304492-24-000089 |
| 2024-07-03 | 12:01 ET | [DEF 14A](/filings/0001304492-24-000084.md) | Proxy statement, period 2024-03-31 | 0001304492-24-000084 |
| 2024-06-26 | 20:46 ET | [10-K](/filings/0001304492-24-000077.md) | Annual report, period 2024-03-31 | 0001304492-24-000077 |
| 2024-06-26 | 20:45 ET | [8-K](/filings/0001304492-24-000076.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001304492-24-000076 |
| 2024-06-26 | 20:05 ET | [8-K](/filings/0001304492-24-000072.md) | 8.01 Other events | 0001304492-24-000072 |
| 2024-04-23 | 21:37 ET | [8-K](/filings/0001304492-24-000042.md) | 8.01 Other events | 0001304492-24-000042 |
| 2024-04-02 | 20:50 ET | [8-K](/filings/0001304492-24-000039.md) | 5.02 Departure or appointment of officers or directors | 0001304492-24-000039 |
| 2024-02-29 | 02:56 ET | [8-K](/filings/0001304492-24-000024.md) | 7.01 Regulation FD disclosure | 0001304492-24-000024 |
| 2024-02-14 | 21:29 ET | [8-K](/filings/0001304492-24-000020.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001304492-24-000020 |
| 2024-02-14 | 21:12 ET | [10-Q](/filings/0001304492-24-000018.md) | Quarterly report, period 2023-12-31 | 0001304492-24-000018 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:11 ET. No prices; not investment advice.