Form 4 Filing for ATN International, Inc.

Cornelius B. Prior, Jr., a 10% owner of ATN International, Inc., reported a disposition of 13,500 shares of common stock on October 1, 2026. The transaction code was "G", indicating a bona fide gift, and the price per share was $0.00, as noted in footnote F1. This gift was made to a non-profit entity. Following this transaction, Mr. Prior’s post-transaction shares owned directly are 3,956,303. Additionally, the filing details indirect ownership through various entities and individuals: 20,174 shares are held by VI E-Cell Tropical Telecom Ltd, 500 shares by his wife, and 8,227 shares by Tropical Aircraft Co. The filing was signed by Cornelius B. Prior, Jr. on October 5, 2026.