Yang Alex Keun Mo has filed 1 SEC Form 4 filing across 1 company in the last 90 days — buying. Lifetime open-market purchases: $360K.

Yang Alex Keun Mo is listed as the Chief Executive Officer of Polaryx Therapeutics, Inc. in the most recent SEC filing dated May 29, 2026. Beyond this filing, public details about his education, career history, or prior roles are not provided in the context you supplied. He is described in this context as leading the company in its biotechnology-focused activities and strategic direction as of the filing date.
| Role | Chief Executive Officer, Director, 10% Owner |
|---|---|
| Notability | 42/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-29 | PLYX | Polaryx Therapeutics, Inc. | P — Open-market purchase | 88.5K | $4.07 | $360K |
Yang Alex Keun Mo is listed as the Chief Executive Officer of Polaryx Therapeutics, Inc. in the most recent SEC filing dated May 29, 2026. Beyond this filing, public details about his education, career history, or prior roles are not provided in the context you supplied. He is described in this context as leading the company in its biotechnology-focused activities and strategic…
1 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 1 open-market purchases ($360K) and 0 open-market sales () across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Yang Alex Keun Mo profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.