InsiderCIK 1471518
S. Louise Phanstiel: Insider Trades
Every open-market purchase and sale S. Louise Phanstiel reported on Form 4 since Aug 13, 2026, with how the stock moved after each purchase.
1Purchases
$1000KBought
0Sales
$0Sold
Track record of purchases
| After | Purchases measured | Average change | Median | Vs. S&P 500 | Rose |
|---|---|---|---|---|---|
| 1 week | 1 | +1.9% | +1.9% | +1.5% | 1 of 1 |
| 1 month | 1 | −5.7% | −5.7% | −5.3% | 0 of 1 |
Change in the stock price from the price paid to the closest weekly price about 1 week, 1 month, 3 months, 6 months and 1 year later, from SEC fails-to-deliver data. "Vs. S&P 500" subtracts the change in the SPY ETF over the same weeks. Dividends are not included, and purchases with a possible stock split in between are skipped. Past results do not predict future ones. How we measure this
All reported trades
| Filed | Ticker | Role | Type | Value | 3 mo. after |
|---|---|---|---|---|---|
| Aug 17 | BFLY | Director (ind.) | ▲ BUY | $1000K |
Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings
Names come from the filings. Different people can share a name, so we group trades by the SEC's reporting-owner number (CIK) instead.