ATN International, Inc.

ATNI·NASDAQ·$27.48Share Price as of 11/2·$423MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/10/26 10-QQ1 ended 03/31/2605/11/26 10-KFY 202503/16/26 10-QQ3 ended 09/30/2511/10/25 10-QQ2 ended 06/30/2508/11/25

Disclosures

8-KCurrent report08/06/26 8-KCurrent report07/31/26 8-KCurrent report06/17/26 8-KCurrent report06/03/26 8-KCurrent report05/07/26

Prospectuses and Registrations

S-8Registration of securities for employees03/18/26 S-3Shelf registration08/15/25 S-8Registration of securities for employees08/03/23 S-3Shelf registration08/09/22 S-3ASRAutomatic shelf registration05/12/20

Proxies

DEF 14ADefinitive proxy04/29/26 DEFA14AAdditional proxy materials04/29/26 DEF 14ADefinitive proxy04/30/25 DEFA14AAdditional proxy materials04/30/25 DEF 14ADefinitive proxy04/29/24

Ownership

Form 4Insider transaction10/05/26 Form 4Insider transaction09/18/26 SC 13D/ABeneficial ownership (amended)09/18/26 144Proposed sale of securities09/15/26 Form 4Insider transaction09/04/26

Other

ARSAnnual report to shareholders04/29/26 EFFECTRequest for effectiveness08/28/25 CORRESPCorrespondence with the SEC08/26/25 UPLOADLetter from the SEC08/22/25 ARSAnnual report to shareholders04/30/25