Alex Keun Mo Yang bought $360k of PLYX
Chief Executive Officer at Polaryx Therapeutics, Inc.. 88,453 shares at an average of $4.07, traded May 27, 2026, filed May 28, 2026.
Score components
- +25RoleCEO
- +15Trade size$360k at market
- -5Relative to holdingsUnder 1% of holdings (0.4%)
- +18Price context4% above the 52-week low; 93% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001213900-26-062322, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| May 27, 2026 | POpen-market purchase Common Stockindirect: By Mstone Partners Healthcare Limited | +88,453 | $4.07 | $360k | 24,233,249 | May 28, 2026 |
Related signals
Other insiders at Polaryx Therapeutics, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 22Weak | PLYXbuy Polaryx Therapeutics, Inc. | G. Michael Landis Chief Financial Officer | $7,991 2,867 shares | +1% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.