S. Louise Phanstiel
CIK 1471518 · last filed 2026-06-05
S. Louise Phanstiel is a corporate insider who has filed 38 SEC Form 4 insider transactions across 4 companies since 2009. The most recent filing, for MYGN, was dated Jun 5, 2026. Across all open-market trades the lifetime net is −$460.1K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.7M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$1.73M
4
38
-$460.1K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| MYGN | Director | 374,771 | $4.33 | $1.62M | -$1.15M | 22 | 2026-06-05 |
| Butterfly Network, Inc. (BFLY.WS) Delisted | Director | 550,766 | $0.01 | $2.9K | $453.4K | 7 | 2025-12-17 |
| Butterfly Network, Inc. (LGVW.WS) Delisted | Director | 73,206 | — | — | $0 | 1 | 2021-02-16 |
| VSTM | Director | 26,500 | $4.10 | $108.6K | $240.3K | 8 | 2017-06-15 |
Recent Filings
38 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-05 | MYGN | Grant (A) | +59,701 | $0 | EDGAR |
| 2026-02-27 | MYGN | Buy (P) | +104,507 | $494.7K | EDGAR |
| 2025-12-17 | Butterfly Network, Inc. (BFLY.WS) Delisted | Buy (P) | +185,261 | $571.2K | EDGAR |
| 2025-06-17 | Butterfly Network, Inc. (BFLY.WS) Delisted | Grant (A) | +80,434 | $0 | EDGAR |
| 2025-06-06 | MYGN | Grant (A) | +49,796 | $0 | EDGAR |
| 2024-09-13 | Butterfly Network, Inc. (BFLY.WS) Delisted | Sell (S) | −60,049 | -$117.8K | EDGAR |
| 2024-06-12 | Butterfly Network, Inc. (BFLY.WS) Delisted | Grant (A) | +157,894 | $0 | EDGAR |
| 2024-06-07 | MYGN | Grant (A) | +15,695 | $0 | EDGAR |
| 2023-06-22 | Butterfly Network, Inc. (BFLY.WS) Delisted | Grant (A) | +65,789 | $0 | EDGAR |
| 2023-06-02 | MYGN | Grant (A) | +15,151 | $0 | EDGAR |