Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Myriad Genetics Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Butterfly Network Inc. June 18, 202699.8%
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Butterfly Network Inc. June 12, 202599.4%
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Myriad Genetics Inc. June 6, 202492.0%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 14, 2026 | Butterfly Network Inc. | Open-market purchase | +115,200 | $8.68 | $999,936 |
| Jun 22, 2026 | Butterfly Network Inc. | Grant or award | +25,447 | — | — |
| Jun 4, 2026 | Myriad Genetics Inc. | Grant or award | +59,701 | — | — |
| Feb 27, 2026 | Myriad Genetics Inc. | Open-market purchase | +48,000 | $4.66 | $223,680 |
| Feb 26, 2026 | Myriad Genetics Inc. | Open-market purchase | +50,407 | $4.80 | $241,954 |
| Feb 25, 2026 | Myriad Genetics Inc. | Open-market purchase | +6,100 | $4.74 | $28,914 |
| Dec 15, 2025 | Butterfly Network Inc. | Open-market purchase | +185,261 | $3.08 | $570,604 |
| Jun 13, 2025 | Butterfly Network Inc. | Grant or award | +80,434 | — | — |
| Jun 5, 2025 | Myriad Genetics Inc. | Grant or award | +49,796 | — | — |
| Sep 13, 2024 | Butterfly Network Inc. | Open-market sale | −60,049 | $1.96 | $117,696 |
| Jun 10, 2024 | Butterfly Network Inc. | Grant or award | +157,894 | — | — |
| Jun 6, 2024 | Myriad Genetics Inc. | Grant or award | +15,695 | — | — |
| Jun 20, 2023 | Butterfly Network Inc. | Grant or award | +65,789 | — | — |
| Jun 1, 2023 | Myriad Genetics Inc. | Grant or award | +15,151 | — | — |
Questions about S. Louise Phanstiel
What boards is S. Louise Phanstiel on?
S. Louise Phanstiel sits on the boards of Butterfly Network Inc. and Myriad Genetics Inc.
How long has S. Louise Phanstiel served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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