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sellModerate cluster of 3

Cornelius B Prior Jr sold $334k of ATNI

owner at ATN International, Inc.. 10,500 shares at an average of $31.83, traded Aug 19, 2026, filed Aug 21, 2026.

Warning score
47
Value
$334k
10,500 shares
Holdings after
47,165
-18% from before
From 52-week low
+134%
low $13.51, close $31.55
From 52-week high
-1%
high $31.78, as of Aug 19, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $334k at market
    +15
  • Share of holdings sold
    Sold 18% of holdings
    +5
  • Cluster
    3 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

ATNIOct 12, 2026 · close 26.37
Since filing Aug 21, 2026: -13.9%SPY +1.9% · excess -15.8%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000922147-26-000018, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 19, 2026SOpen-market sale
Common Stockindirect: By VI E-Cell Tropical Telecom Ltd
-10,000$31.86$319k47,665Aug 21, 2026
Aug 20, 2026SOpen-market sale
Common Stockindirect: By VI E-Cell Tropical Telecom Ltd
-500$31.25$16k47,165Aug 21, 2026

Related signals

Other insiders at ATN International, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
51Moderate
ATNIsell 3
ATN International, Inc.
Cornelius B Prior Jr
owner
$308k
9,867 shares
-33%
37Weak
ATNIsell 2
ATN International, Inc.
Cornelius B Prior Jr
owner
$221k
7,124 shares
-19%
29Weak
ATNIsell 2
ATN International, Inc.
Patricia Jacobs
director
$45k
1,500 shares
-7%
46Moderate
ATNIsell 3
ATN International, Inc.
Cornelius B Prior Jr
owner
$313k
10,000 shares
-21%
35Weak
ATNIsell 3
ATN International, Inc.
Patricia Jacobs
director
$31k
1,000 shares
-4%
44Moderate
ATNIsell 3
ATN International, Inc.
Cornelius B Prior Jr
owner
$214k
6,745 shares
-10%
36Weak
ATNIsell 3
ATN International, Inc.
Cornelius B Prior Jr
owner
$81k
2,526 shares
-4%
40Moderate
ATNIsell 3
ATN International, Inc.
Cornelius B Prior Jr
owner
$228k
7,000 shares
-9%
41Moderate
ATNIsell 3
ATN International, Inc.
Mary Mabey
SVP AND GENERAL COUNSEL
$161k
5,000 shares
-8%
39Weak
ATNIsell 3
ATN International, Inc.
Cornelius B Prior Jr
owner
$224k
7,500 shares
-9%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Cornelius B Prior Jr sold $334k of ATNI | InsiderTell