3 insiders reported 3 Form 4 transactions for Polaryx Therapeutics, Inc. (PLYX) over the past 18 months (most recent 2026-05-28). Recent activity: Yang Alex Keun Mo (Chief Executive Officer) Buy 88,453 shares, Mstone Partners Healthcare Ltd (Director) Buy 88,453 shares, Landis G. Michael (Chief Financial Officer) Buy 2,867 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-28 | Yang Alex Keun Mo | Chief Executive Officer | Buy | 88,453 | $360,004 |
| 2026-05-28 | Mstone Partners Healthcare Ltd | Director | Buy | 88,453 | $360,004 |
| 2026-02-20 | Landis G. Michael | Chief Financial Officer | Buy | 2,867 | $7,999 |
Source: SEC Form 4 filings · as of 2026-05-28