Scott A. Lang - 21 Sep 2026 Form 4/A - Amendment Insider Report for Anterix Inc. (ATEX)

Reporting relationship: President and CEO, Director
Issuer ticker: ATEX
Reported as of: 21 Sep 2026
Net transaction value: -$1,200,000
SEC form: 4/A - Amendment
Accepted by SEC: 23 Sep 2026, 07:56:41 UTC
Original report date: 22 Sep 2026
Prior SEC filing: 17 Aug 2026
Source filing: View source filing
Reporting owner signature: s/ Gena L. Ashe, Attorney-in-Fact

Key filing fact

Scott A. Lang filed Form 4/A - Amendment for Anterix Inc. (ATEX) on 23 Sep 2026.

Key facts

This page summarizes Scott A. Lang's Form 4/A - Amendment filing for Anterix Inc. (ATEX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 23 Sep 2026, 07:56.

Change

Previous filing in this sequence was filed on 17 Aug 2026.
Current net transaction value: -$1,200,000.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4/A - Amendment disclosures.

View source filing

Reporting Owners (1)

CIK 0001571601 Primary reporting owner

Lang Scott A.

Relationship: President and CEO, Director
Address: 3 GARRET MOUNTAIN PLAZA, SUITE 401, WOODLAND PARK
Signature: s/ Gena L. Ashe, Attorney-in-Fact
Signature date: 23 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ATEX transaction

Common Stock

Sale

Transaction value: $1,200,000
Shares: -15,000
Change %: -36%
Price: $80.00
Shares after: 26,470
Date: 21 Sep 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 1 footnote

Footnote F1

This Form 4 is being amended to indicate that the transaction reported herein was effected pursuant to a Rule 10b5-1(c) trading plan adopted by the reporting person on June 22, 2026.