14 transactions on file (5 open-market purchases and 0 open-market sales).
| Date | Insider | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-06-09 | Eade Katherine A. Director Grant / award | Grant / award | +16,556 | $0.00 | +0 | 58,669 |
| 2026-06-09 | Snider William Director Grant / award | Grant / award | +16,556 | $0.00 | +0 | 48,556 |
| 2026-06-09 | DENELSKY STEPHEN J Director Grant / award | Grant / award | +16,556 | $0.00 | +0 | 37,556 |
| 2026-06-09 | Gagnon Robert E. Director Grant / award | Grant / award | +16,556 | $0.00 | +0 | 27,556 |
| 2026-06-09 | Benson Seth Benjamin Director Grant / award | Grant / award | +16,556 | $0.00 | +0 | 27,556 |
9 more transactions are on Measure
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| Insider | Role | On Sep 23, 2025 | Now | Change | Sold | Shape |
|---|---|---|---|---|---|---|
| Duke John DChief Executive Officer, Director | Chief Executive Officer, Director | 100,000 | 105,000 | +5.00% | - | |
| Frost Mark TChief Financial Officer | Chief Financial Officer | 12,500 | 17,500 | +40.00% | - | |
| DENELSKY STEPHEN JDirector | Director | 11,000 | 21,000 | +90.91% | - |
1 more insider is on Measure
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What each insider held after every open-market trade, over the last twelve months.
The assistant answers from what HBIO has actually filed: 17 annual reports filed with the SEC, 13 Form 4 filings from the last year and 1 fund that holds 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.
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Watch HBIO 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 HBIO insiders file, not just the latest handful, with vesting and tax withholding struck out so what's left reads as a decision.
Every filingMeasure
Follow the investors who hold it
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 HBIO's own history of insider activity.
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The table above says who traded. This says what HBIO 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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