Form 3 Filing for Anterix Inc. by Kimberly Kerr

This filing details initial ownership of Anterix Inc. common stock and stock options by Kimberly Kerr, who holds the position of Chief Revenue Officer. The filing indicates direct ownership of 3,363 shares of common stock, represented by restricted stock units (RSUs) that vest over three years. Additionally, Ms. Kerr holds stock options, with the right to buy 15,913 shares of common stock at an exercise price of $66.90, which also vest over three years. The filing was made on July 1, 2026, with the reporting period ending June 22, 2026. A power of attorney document is also included, authorizing Gena L. Ashe and Scott A. Lang to execute necessary SEC filings on Ms. Kerr's behalf.