Who
S. Louise Phanstiel
Director
Company insider
Files Form 4 as: Director, Butterfly Network; Director, Myriad Genetics; Director and Other, Verastem.
In numbers
- Trades disclosed
- 58
- Buys
- 10
- Sells
- 3
- Bought
- $4.0M
- Sold
- $2.0M
- Companies
- 3
- Companies where not an officer
- 3
- First trade
- 16 Sep 2009
- Last trade
- 14 Aug 2026
- Last filed
- 17 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 14 Aug 2026filed 17 Aug 2026 | BFLY Butterfly NetworkMedical Devices | SEC FORM 4 Bought | $1000K115,200 at $8.68 | filing |
| 14 Aug 2026filed 17 Aug 2026 | BFLY Butterfly NetworkMedical Devices | SEC FORM 4 Bought | $1000K115,200 at $8.68 | filing |
| 22 Jun 2026filed 22 Jun 2026 | BFLY Butterfly NetworkMedical Devices | SEC FORM 4 Code A | —25,447 at $0.00 | filing |
| 22 Jun 2026filed 22 Jun 2026 | BFLY Butterfly NetworkMedical Devices | SEC FORM 4 Code A | —25,447 at $0.00 | filing |
| 4 Jun 2026filed 5 Jun 2026 | MYGN Myriad GeneticsDiagnostics & Labs | SEC FORM 4 Code A | —59,701 at $0.00 | filing |
| 4 Jun 2026filed 5 Jun 2026 | MYGN Myriad GeneticsDiagnostics & Labs | SEC FORM 4 Code A | —59,701 at $0.00 | filing |
| 27 Feb 2026filed 27 Feb 2026 | MYGN Myriad GeneticsDiagnostics & Labs | SEC FORM 4 Bought | $224K48,000 at $4.66 | filing |
| 27 Feb 2026filed 27 Feb 2026 | MYGN Myriad GeneticsDiagnostics & Labs | SEC FORM 4 Bought | $224K48,000 at $4.66 | filing |
| 26 Feb 2026filed 27 Feb 2026 | MYGN Myriad GeneticsDiagnostics & Labs | SEC FORM 4 Bought | $242K50,407 at $4.80 | filing |
| 26 Feb 2026filed 27 Feb 2026 | MYGN Myriad GeneticsDiagnostics & Labs | SEC FORM 4 Bought | $242K50,407 at $4.80 | filing |
| 25 Feb 2026filed 27 Feb 2026 | MYGN Myriad GeneticsDiagnostics & Labs | SEC FORM 4 Bought | $29K6,100 at $4.74 | filing |
| 25 Feb 2026filed 27 Feb 2026 | MYGN Myriad GeneticsDiagnostics & Labs | SEC FORM 4 Bought | $29K6,100 at $4.74 | filing |
| 15 Dec 2025filed 17 Dec 2025 | BFLY Butterfly NetworkMedical Devices | SEC FORM 4 Bought | $571K185,261 at $3.08 | filing |
| 13 Jun 2025filed 17 Jun 2025 | BFLY Butterfly NetworkMedical Devices | SEC FORM 4 Code A | —80,434 at $0.00 | filing |
| 5 Jun 2025filed 6 Jun 2025 | MYGN Myriad GeneticsDiagnostics & Labs | SEC FORM 4 Code A | —49,796 at $0.00 | filing |
| 13 Sep 2024filed 13 Sep 2024 | BFLY Butterfly NetworkMedical Devices | SEC FORM 4 Sold | $118K60,049 at $1.96 | filing |
| 10 Jun 2024filed 12 Jun 2024 | BFLY Butterfly NetworkMedical Devices | SEC FORM 4 Code A | —157,894 at $0.00 | filing |
| 6 Jun 2024filed 7 Jun 2024 | MYGN Myriad GeneticsDiagnostics & Labs | SEC FORM 4 Code A | —15,695 at $0.00 | filing |
| 20 Jun 2023filed 22 Jun 2023 | BFLY Butterfly NetworkMedical Devices | SEC FORM 4 Code A | —65,789 at $0.00 | filing |
| 1 Jun 2023filed 2 Jun 2023 | MYGN Myriad GeneticsDiagnostics & Labs | SEC FORM 4 Code A | —15,151 at $0.00 | filing |
News
Molecular Partners (NASDAQ:MOLN) vs. Myriad Genetics (NASDAQ:MYGN) Financial ComparisonMYGN · tickerreport.com · 24 Oct 2026Financial Contrast: Edwards Lifesciences (NYSE:EW) vs. Butterfly Network (NYSE:BFLY)BFLY · tickerreport.com · 23 Oct 2026Myriad Genetics (NASDAQ:MYGN) Upgraded at Piper SandlerMYGN · themarketsdaily.com · 23 Oct 2026Myriad Genetics Reports New MRD Detection Data In Colorectal And Pancreatic CancersMYGN · rttnews.com · 22 Oct 2026Contrasting Butterfly Network (NYSE:BFLY) and Edwards Lifesciences (NYSE:EW)BFLY · themarketsdaily.com · 16 Oct 2026Reviewing Integer (NYSE:ITGR) and Butterfly Network (NYSE:BFLY)BFLY · themarketsdaily.com · 15 Oct 2026
0 headlines in the last 90 days name S. Louise Phanstiel; 6 articles from the last 14 days about the 2 companies they traded most, at most three about any one of them.