ATN International, Inc. (ATNI)
Nasdaq: ATNI · Telephone Communications (No Radiotelephone) · Beverly, MA · filing with the SEC since 1994
Grade4.1
◀ Past 5.6● Present 3.9▶ Future 3.3
Who owns ATN International, Inc.
As filed with the SECHolders of 5% or more
2
Cornelius B. Prior, Jr. holds 28.2% of Common Stock, par value $.01 per share, as its SCHEDULE 13D/A filed Sep 18, 2026 says.
Directors and officers
13
report now, of 23 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Cornelius B. Prior, Jr.
SCHEDULE 13D/A · filed Sep 18, 2026 · Common Stock, par value $.01 per share · 29% in Jun 15, 2026
Global Alpha Capital Management Ltd.
SCHEDULE 13G/A · filed Jan 6, 2025 · Common
Dimensional Fund Advisors LP
SCHEDULE 13G/A · filed Apr 9, 2026 · Common Stock · reported falling below 5%, from 5.6% in Jan 23, 2025
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 29, 2025 · Common Stock · reported falling below 5%
What ATNI reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Sacred Wind Enterprises
A company bought · acquisition · owns, named in the 10-K filed Mar 16, 2026
7 subsidiaries in 3 countries, from the list filed with the 10-K filed Mar 16, 2026.
Insider tradesForm 4
53sales
0purchases
0sales on a scheduled plan
3people selling
$4.6Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 5, 2025 to Nov 5, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 5, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window3 of 23 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Prior Cornelius B Jr | Chairman | 50 | $4.4M | 0 | 0 | $0 |
| Mabey Mary | SVP AND GENERAL COUNSEL | 1 | $200,000 | 0 | 0 | $0 |
| Jacobs Patricia | director | 2 | $100,000 | 0 | 0 | $0 |