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CIK 0000879585 · Accelerated filer<br>Smaller reporting company

ATN International, Inc.

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Ticker
ATNI
Exchange
Nasdaq
Industry
Telephone Communications (No Radiotelephone)
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
470728886
Phone
9786191300
Business address
500 CUMMINGS CENTER, BEVERLY, MA, 01915
Former names
ATLANTIC TELE NETWORK INC /DE
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$1,327,559
in 7 filings

Net −$1,327,559. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. PRIOR CORNELIUS B JR −$1.3M 10% owner sold 57% of stake
  2. Jacobs Patricia −$76K Director sold 11% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-03-17 Leon Justin M SVP, CORPORATE DEVELOPMENT Grant or award +10,820 50,267
2026-03-17 Leon Justin M SVP, CORPORATE DEVELOPMENT Grant or award · Performance-Based Restricted Stock Units +10,820 10,820
2026-03-17 Martin Brad W CHIEF EXECUTIVE OFFICER Grant or award +27,048 127,366
2026-03-17 Martin Brad W CHIEF EXECUTIVE OFFICER Grant or award · Performance-Based Restricted Stock Units +27,048 27,048
2026-03-17 Mabey Mary SVP AND GENERAL COUNSEL Grant or award +12,624 66,277
2026-03-17 Mabey Mary SVP AND GENERAL COUNSEL Grant or award · Performance-Based Restricted Stock Units +12,624 12,624
2026-03-13 PRIOR MICHAEL T Director Shares withheld for taxes −4,686 $24.49 $115K 576,527
2026-03-13 Doglioli Carlos Chief Financial Officer Shares withheld for taxes −1,831 $24.49 $45K 32,417
2026-03-13 Leon Justin M SVP, CORPORATE DEVELOPMENT Shares withheld for taxes −1,671 $24.49 $41K 39,447
2026-03-13 Martin Brad W CHIEF EXECUTIVE OFFICER Shares withheld for taxes −4,496 $24.49 $110K 100,318
2026-03-13 Mabey Mary SVP AND GENERAL COUNSEL Shares withheld for taxes −2,197 $24.19 $53K 53,653
2026-03-12 PRIOR MICHAEL T Director Shares withheld for taxes −2,191 $24.65 $54K 581,213
2026-03-12 Doglioli Carlos Chief Financial Officer Shares withheld for taxes −1,066 $24.65 $26K 34,248
2026-03-12 Leon Justin M SVP, CORPORATE DEVELOPMENT Shares withheld for taxes −903 $24.65 $22K 41,118
2026-03-12 Martin Brad W CHIEF EXECUTIVE OFFICER Shares withheld for taxes −2,299 $24.65 $57K 104,814
2026-03-12 Mabey Mary SVP AND GENERAL COUNSEL Shares withheld for taxes −1,122 $24.65 $28K 55,850
2026-03-07 PRIOR MICHAEL T Director Option exercise +14,500 592,816
2026-03-07 PRIOR MICHAEL T Director Shares withheld for taxes −6,430 $24.18 $155K 586,386
2026-03-07 PRIOR MICHAEL T Director Shares withheld for taxes −2,982 $24.18 $72K 583,404
2026-03-07 PRIOR MICHAEL T Director Option exercise · Performance-Based Restricted Stock Units −25,000 0

Page 5 of 40 · 787 trades