# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001304492-26-000027
Filing Date
2026-06-25
Accepted
2026-06-25 15:05:59
Documents
122
Period of Report
2026-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | atex-20260331.htm iXBRL | 10-K | 1587972
2 | EX-10.18 | ex1018noticeofgrantofstock.htm | EX-10.18 | 95226
3 | EX-10.19 | ex1019noticeofgrantofperfo.htm | EX-10.19 | 93764
4 | EX-10.20 | ex1020noticeofgrantofrestr.htm | EX-10.20 | 76568
5 | EX-10.21 | ex1021noticeofgrantofperfo.htm | EX-10.21 | 88720
6 | EX-10.22 | ex1022noticeofrestrictedst.htm | EX-10.22 | 79591
7 | EX-10.23 | ex1023noticeofgrantofstock.htm | EX-10.23 | 89392
8 | EX-10.24 | ex1024noticeofgrantofrestr.htm | EX-10.24 | 74412
9 | EX-19.1 | insidertradingpolicy1182.htm | EX-19.1 | 21576
10 | EX-21.1 | a211listofsubsidiaries.htm | EX-21.1 | 3804
11 | EX-23.1 | ex231consentofindependentr.htm | EX-23.1 | 2111
12 | EX-23.2 | ex232consentofindependentr.htm | EX-23.2 | 2143
13 | EX-31.1 | atex-20260331x10kexhibit311.htm | EX-31.1 | 10819
14 | EX-31.2 | atex-20260331x10kexhibit312.htm | EX-31.2 | 10816
15 | EX-32.1 | atex-20260331x10kexhibit321.htm | EX-32.1 | 9142
21 |  | atex-20260331_g1.jpg | GRAPHIC | 36097
22 |  | atex-20260331_g2.jpg | GRAPHIC | 351926
23 |  | atex-20260331_g3.jpg | GRAPHIC | 372269
24 |  | atex-20260331_g4.jpg | GRAPHIC | 498223
25 |  | atex-20260331_g5.jpg | GRAPHIC | 428940
26 |  | atex-20260331_g6.jpg | GRAPHIC | 98710
27 |  | insidertradingpolicy1182001.jpg | GRAPHIC | 249264
28 |  | insidertradingpolicy1182002.jpg | GRAPHIC | 288472
29 |  | insidertradingpolicy1182003.jpg | GRAPHIC | 316796
30 |  | insidertradingpolicy1182004.jpg | GRAPHIC | 331832
31 |  | insidertradingpolicy1182005.jpg | GRAPHIC | 262430
32 |  | insidertradingpolicy1182006.jpg | GRAPHIC | 123937
| Complete submission text file | 0001304492-26-000027.txt |  | 16858751

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
16 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | atex-20260331.xsd | EX-101.SCH | 71741
17 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | atex-20260331_cal.xml | EX-101.CAL | 98152
18 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | atex-20260331_def.xml | EX-101.DEF | 339720
19 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | atex-20260331_lab.xml | EX-101.LAB | 834957
20 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | atex-20260331_pre.xml | EX-101.PRE | 631983
126 | EXTRACTED XBRL INSTANCE DOCUMENT | atex-20260331_htm.xml | XML | 1213340

Mailing Address 3 GARRET MOUNTAIN PLAZA SUITE 401 WOODLAND PARK NJ 07424
Business Address 3 GARRET MOUNTAIN PLAZA SUITE 401 WOODLAND PARK NJ 07424 (973) 771-0300
Anterix Inc. (Filer) CIK: 0001304492 (see all company filings)

EIN.: 330745043 | State of Incorp.: DE | Fiscal Year End: 0331
Type: 10-K | Act: 34 | File No.: 001-36827 | Film No.: 261121165
SIC: 4813 Telephone Communications (No Radiotelephone)
(CF Office: 06 Technology)