100 transactions on file (0 open-market purchases and 53 open-market sales).
53 open-market sales by ATNI insiders, between May 7, 2026 and Sep 3, 2026.
Discretionary.
Planned (10b5-1).
Not stated.
| Date | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-04 | PRIOR CORNELIUS B JR 10% owner Gift | Gift | −12,500 | $0.00 | −0 | 3,969,803 |
| 2026-09-03 | PRIOR CORNELIUS B JR 10% owner Open-market sale Discretionary | Open-market sale Discretionary | −4,542 | $31.02 | −140.88K | 30,041 |
| 2026-09-02 | PRIOR CORNELIUS B JR 10% owner Open-market sale Discretionary | Open-market sale Discretionary | −2,582 | $31.12 | −80.35K | 34,583 |
| 2026-08-31 | Jacobs Patricia Director Open-market sale Discretionary | Open-market sale Discretionary | −1,500 | $30.04 | −45.06K | 19,958 |
| 2026-08-24 | PRIOR CORNELIUS B JR 10% owner Open-market sale Discretionary | Open-market sale Discretionary | −10,000 | $31.34 | −313.39K | 37,165 |
95 more transactions are on Measure
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| Insider | Role | On Sep 23, 2025 | Now | Change | Sold | Shape |
|---|---|---|---|---|---|---|
| PRIOR CORNELIUS B JR10% owner | 10% owner | 200,000 | 30,041 | −84.98% | $4.38M$4.38M no plan | |
| Jacobs PatriciaDirector | Director | 22,458 | 19,958 | −11.13% | $76.2K$76.2K no plan | |
| Mabey MarySVP AND GENERAL COUNSEL | SVP AND GENERAL COUNSEL | 65,402 | 60,402 | −7.65% | $161K$161K no plan |
The assistant answers from what ATNI has actually filed: 17 annual reports filed with the SEC, 100 Form 4 filings from the last year and 2 funds that hold it. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.
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Source
From SEC Form 4 filings, filed within two business days of a transaction.
Past transactions say nothing about future ones, and none of this is investment advice.
What each insider held after every open-market trade, over the last twelve months.
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Watch ATNI and every open-market Form 4 worth a row (a purchase, a senior officer's sale, anything at a million dollars) lands in the bell and a daily email, with the 10b5-1 word on it when the filing says so. Free.
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Every Form 4 ATNI insiders file, not just the latest handful, with vesting and tax withholding struck out so what's left reads as a decision.
Every filingMeasure
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Each stake priced at the quarter it was filed, and diffed against the quarter before: how big a bet it is for them, and by how much it moved.
Every position, sizedMeasure
Ask what a run of filings adds up to
Whether this is one decision or a pattern, and how it compares with ATNI's own history of insider activity.
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The table above says who traded. This says what ATNI did over the following 30, 90 and 180 days after each open-market purchase and sale, from this company’s own record rather than a study about companies in general, and with the number of transactions shown beside every average.
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