89 transactions on file (0 open-market purchases and 65 open-market sales).
65 open-market sales by ATOM insiders, between Dec 1, 2025 and Sep 2, 2026.
Discretionary.
Planned (10b5-1).
Not stated.
| Date | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-02 | Mears Robert J Chief Technology Officer Open-market sale Planned (10b5-1) | Open-market sale Planned (10b5-1) | −6,312 | $3.87 | −24.43K | 258,036 |
| 2026-09-01 | Laurencio Francis CFO Open-market sale Planned (10b5-1) | Open-market sale Planned (10b5-1) | −1,020 | $4.05 | −4.13K | 249,818 |
| 2026-09-01 | Laurencio Francis CFO Open-market sale Planned (10b5-1) | Open-market sale Planned (10b5-1) | −2,085 | $4.05 | −8.44K | 247,733 |
| 2026-09-01 | Laurencio Francis CFO Open-market sale Planned (10b5-1) | Open-market sale Planned (10b5-1) | −884 | $4.05 | −3.58K | 246,849 |
| 2026-09-01 | Laurencio Francis CFO Open-market sale Planned (10b5-1) | Open-market sale Planned (10b5-1) | −2,515 | $4.05 | −10.19K | 250,838 |
84 more transactions are on Measure
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| Insider | Role | On Sep 23, 2025 | Now | Change | Sold | Shape |
|---|---|---|---|---|---|---|
| BIBAUD SCOTT A.CEO and President, Director | CEO and President, Director | 515,351 | 682,005 | +32.34% | $729K$468K no plan · $261K on a plan | |
| Mears Robert JChief Technology Officer | Chief Technology Officer | 189,676 | 258,036 | +36.04% | $686K$686K on a plan | |
| Laurencio FrancisCFO | CFO | 170,533 | 246,849 | +44.75% | $475K$351K no plan · $124K on a plan |
The assistant answers from what ATOM has actually filed: 11 annual reports filed with the SEC, 89 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 ATOM 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 ATOM 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 ATOM's own history of insider activity.
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The table above says who traded. This says what ATOM 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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