Anterix Inc. — Director's Dealing 2025

Nov 5, 2025

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Anterix Inc. (ATEX)
CIK: 0001304492
Period of Report: 2025-09-22

Reporting Person: Marquez Elena (Chief Financial Officer)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	7028	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$40	2035-04-03	Common Stock (3680)		Direct

Footnotes

F1: Includes Restricted Stock Units in the amount (i) 877 shares vesting on May 15, 2026; (ii) 672 shares vesting on July 12, 2026; and (iii) 3,925 shares vesting in 3 equal annual installments beginning on October 4, 2025.

F2: The option shares vest and become exercisable in 3 equal annual installments beginning on October 4, 2025.