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ATN International, Inc. planned insider sales

In the last twelve months insiders at ATN International, Inc. filed 7 Form 144 notices of planned sales, 200,000 shares worth $5.7 million at the time of filing, from 3 sellers. The latest, filed 15 September 2026: Prior Family Foundation DTD 6/9/06 (stakeholder), 5,000 shares worth $155,000, planned for around 15 September 2026 through UBS Financial Services Inc.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
15 September 2026Prior Family Foundation DTD 6/9/06Stakeholder5,000$155,00015 September 2026None on Form 4 yetUBS Financial Services IncGift of initial equity investmentForm 144
24 August 2026Prior Family Foundation DTD 6/9/06Stakeholder5,000$155,00024 August 2026None on Form 4 yetUBS Financial Services IncGift of initial equity investmentForm 144
20 August 2026Prior Family Foundation DTD 6/9/06Stakeholder5,000$155,00020 August 2026None on Form 4 yetUBS Financial Services IncGift of initial equity investmentForm 144
17 August 2026Prior Family Foundation DTD 6/9/06Stakeholder5,000$157,05017 August 2026None on Form 4 yetUBS Financial Services IncGift of initial equity investmentForm 144
14 August 2026Prior Family Foundation DTD 6/9/06Stakeholder5,000$158,90014 August 2026None on Form 4 yetUBS Financial Services IncGift of initial equity investmentForm 144
10 August 2026Mabey MaryOfficer5,000$154,65010 August 20265,000 shares from 10 August 2026FIDELITY BROKERAGE SERVICES LLCLongForm 144
9 June 2026Cornelius PriorAffiliate170,000$4.8 million5 June 202688,862 shares from 11 June 2026MerrillFounder of the companyForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?