Hyperfine, Inc (HYPR) insider trading
Every open-market stock purchase and sale by Hyperfine, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Thomas Teisseyre (COO) and 1 other sold $12.5K in the last 90 days.
- Last insider buy: Maria Sainz (CEO), $4.8K, 3 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $93.5K (8 sales). Last close $0.75 on Oct 21, 2026.
Recent HYPR insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Aug 24, 2026 | Thomas Teisseyre (COO) | Sold | $6.3K |
| Aug 24, 2026 | Brett Hale (CFO) | Sold | $6.3K |
| Jun 3, 2026 | Dan Wolterman (Insider) | Bought (not open market) | — |
| May 26, 2026 | Thomas Teisseyre (COO) | Sold | $10K |
| May 26, 2026 | Brett Hale (CFO) | Sold | $10K |
| May 22, 2026 | Ruth A Fattori (Insider) | Bought (not open market) | — |
| May 22, 2026 | John T Dahldorf (Insider) | Bought (not open market) | — |
| May 22, 2026 | Jonathan M Rothberg (Insider) | Bought (not open market) | — |
| May 22, 2026 | Dan Wolterman (Insider) | Bought (not open market) | — |
| Mar 31, 2026 | Brett Hale (CFO) | Bought (not open market) | — |
| Mar 31, 2026 | Maria Sainz (CEO) | Bought (not open market) | — |
| Mar 31, 2026 | Thomas Teisseyre (COO) | Bought (not open market) | — |
| Mar 23, 2026 | Brett Hale (CFO) | Sold | $29.3K |
| Mar 23, 2026 | Thomas Teisseyre (COO) | Sold | $29.3K |
| Feb 13, 2026 | Thomas Teisseyre (COO) | Sold | $913 |
| Nov 19, 2025 | Thomas Teisseyre (COO) | Sold | $1.5K |
Who's trading HYPR
- Brett Hale, CFO: sold $45.5K (3 sales), last Aug 24, 2026
- Thomas Teisseyre, COO: sold $47.9K (5 sales), last Aug 24, 2026
- Dan Wolterman, Insider: other filings, last Jun 3, 2026
- Jonathan M Rothberg, 10% owner: other filings, last May 22, 2026
- Ruth A Fattori, Insider: other filings, last May 22, 2026
- John T Dahldorf, Insider: other filings, last May 22, 2026
- Maria Sainz, CEO: other filings, last Mar 31, 2026
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