Anterix Inc.

ATEX

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0001669943-26-000002
Filing date: Mar 4, 2026
Earliest execution date: Mar 3, 2026

Summary

Type

Sell

Net shares

-12,427

% of shares

-48.18%

Amount (USD)

$449,608

Insider confidence score

20.0 out of 100

Negative

  • Large discretionary sell (≥1% of shares)
  • Large sell amount ($250K+)

Stock transactions

Transaction 1

Security

Common Stock

Action

Exercise

Date

2026-03-03

Code

M

Net shares

+12,427.0

Price per Share

$27.83

Amount (USD)

$345,843.41

Acquired/Disposed

Acquired

Shares Owned Before

13,366.0

Shares Owned After

25,793.0

Transaction 2

Security

Common Stock

Action

Tax_withhold

Date

2026-03-03

Code

F

Net shares

-12,427.0

Price per Share

$36.18

Amount (USD)

$449,608.86

Acquired/Disposed

Disposed

Shares Owned Before

25,793.0

Shares Owned After

13,366.0

Derivative Transactions

Transaction 1

Security

Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-03

Code

M

Net shares

-12,427.0

Acquired/Disposed

Disposed

Shares Owned Before

37,275.0

Shares Owned After

24,848.0

Filing's footnotes

1. This transaction was executed in multiple sales through a sale order executed by a broker-dealer at prices ranging from $35.92 to $36.61 The price reported in this column reflects the weighted average sale price. The Reporting Person will provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

2. The option shares are fully vested.

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.