128 transactions on file (0 open-market purchases and 105 open-market sales).
105 open-market sales by SIBN insiders, between Oct 2, 2025 and Sep 1, 2026.
Discretionary.
Planned (10b5-1).
Not stated.
| Date | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-01 | DUNN JEFFREY W Director Option exercise | Option exercise | +18,633 | $4.68 | +87.2K | 34,690 |
| 2026-09-01 | DUNN JEFFREY W Director Option exercise | Option exercise | +1,367 | $4.68 | +6.4K | 36,057 |
| 2026-09-01 | DUNN JEFFREY W Director Open-market sale Planned (10b5-1) | Open-market sale Planned (10b5-1) | −18,633 | $18.91 | −352.31K | 17,424 |
| 2026-09-01 | DUNN JEFFREY W Director Open-market sale Planned (10b5-1) | Open-market sale Planned (10b5-1) | −1,367 | $18.91 | −25.85K | 16,057 |
| 2026-08-24 | FRANCIS LAURA Chief Executive Officer · Director Open-market sale Planned (10b5-1) | Open-market sale Planned (10b5-1) | −25,972 | $20.12 | −522.6K | 291,491 |
123 more transactions are on Measure
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| Insider | Role | On Sep 23, 2025 | Now | Change | Sold | Shape |
|---|---|---|---|---|---|---|
| FRANCIS LAURAChief Executive Officer, Director | Chief Executive Officer, Director | 362,141 | 291,491 | −19.51% | $3.93M$1.93M no plan · $2M on a plan | |
| RECUPERO ANTHONY JPresident, Commercial Ops | President, Commercial Ops | 275,288 | 243,418 | −11.58% | $510K$510K no plan | |
| Nishimura MikaDirector | Director | 36,816 | 32,716 | −11.14% | $56.7K$56.7K no plan |
The assistant answers from what SIBN has actually filed: 9 annual reports filed with the SEC, 128 Form 4 filings from the last year and 3 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.
4 more insiders are on Measure
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What each insider held after every open-market trade, over the last twelve months.
Be told the next time a SIBN insider trades
Watch SIBN 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.
See who bought, not who was handed shares
Every Form 4 SIBN 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 SIBN's own history of insider activity.
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The table above says who traded. This says what SIBN 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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