Form 4 for PLYX Polaryx Therapeutics, Inc.
Accepted 2026-05-28 20:00:39 ET · period of report 2026-05-27 · accession 0001213900-26-062322 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| I | 2026-05-28 20:00 | 2026-05-27 | PLYX | Yang Alex Keun Mo | CEO, Dir, 10% | P - Purchase | $4.07 | +88.5K | 24.23M | +0.4% | +$360.0K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-05-27 | P | A | 88,453 | $4.07 | 24,233,249 | I By Mstone Partners Healthcare Limited | — | — | (F1) As disclosed in the Issuer's Form 8-K filed with the Securities and Exchange Commission on May 28, 2026, MStone Partners Healthcare Limited ("Mstone") purchased 88,453 shares of common stock in a private placement transaction, for gross proceeds to the Issuer of $360,000. (F2) Alex Keun Mo Yang is the founder and Chief Executive Officer of Mstone. Mr. Yang disclaims beneficial ownership over any of the reported securities, except to the extent of his pecuniary interest therein. |