YANG ALEX KEUN MO enters POLARYX THERAPEUTICS, INC. with 24.14M shares across direct and indirect positions
This filing by YANG ALEX KEUN MO (Chief Executive Officer) establishes the baseline for all future Form 4 insider transaction reports at POLARYX THERAPEUTICS, INC..
Direct Indirect
Filed: 1/29/2026ACC: 0001213900-26-009664
DirectorOfficer10% Owner· Chief Executive Officer
Since Jan 2026
24.14M
Baseline shares
6% direct
1.40M
Direct ownership
1 position
0.00
Derivative underlying
0 instruments
4
Security positions
22.74M indirect
Non-Derivative Holdings4
Common Stock
DirectShares owned1.40M
Common Stock
IndirectShares owned22.45M
Common Stock
IndirectShares owned183.56K
Common Stock
IndirectShares owned108.28K
Total
1.40M direct·22.74M indirect24.14M
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 1.40M | Direct |
| Common Stock | 22.45M | Indirect |
| Common Stock | 183.56K | Indirect |
| Common Stock | 108.28K | Indirect |
| Total | 24.14M | 1.40M direct·22.74M indirect |
Derivative Holdings0
No derivative holdings reported