Alex Keun Mo Yang
CIK: 0002103399
Transaction Breakdown
Open Market Buys (P)1 (100.0%)
High conviction signal
Open Market Sales (S)0 (0.0%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)0 (0.0%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
PLYX
Polaryx Therapeutics, Inc.
DirectorOfficer10% Owner
Discretionary Trading P&L
Holdings
About Yang Alex Keun Mo
Yang Alex Keun Mo (SEC CIK 0002103399) files insider reports with the SEC as Chief Executive Officer of Polaryx Therapeutics, Inc. (PLYX).
Signal8 holds 2 ownership filings by Yang Alex Keun Mo (1 Form 3, 1 Form 4), filed between Jan 29, 2026 and May 28, 2026. Those filings report 1 transaction, the latest on May 27, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Yang Alex Keun Mo's filings is in PARAMUS, NJ.
Recent filings by Yang Alex Keun Mo
- May 27, 2026: Open-market purchase of PLYX shares (Form 4, code P).
Other insiders filing for Polaryx Therapeutics, Inc. (PLYX)
- Landis G. Michael, Chief Financial Officer
- Braun III Francis A, Director
- Bollinger Lisa, Chief Medical Officer
- Ryan Charles S., Director
- O Andrew John, Chief Investment Officer
- Berger Mitchel, Director