YANG ALEX KEUN MO

PrivateCIK: 2103399
Location

PARAMUS, NJ

YANG ALEX KEUN MO (Chief Executive Officer) purchased 0.4% of their position (88.45K shares) of POLARYX THERAPEUTICS, INC. on the open market

Open‑market purchase worth $360.0K — a small addition. The strongest form of insider conviction signal.

P · 1 purchase
InsiderYANG ALEX KEUN MOCIK 2103399
DirectorOfficer10% Owner· Chief Executive Officer
Since Jan 2026
+88.45K
Net shares
Net buyer
$360.0K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
88.45K acquired
Non-Derivative Transactions1

Common Stock

Indirect
P · Purchase

Shares

+88.45K

Price / share

$4.07

Trade value

$360K

% of position

0.4%
5/27/2026
24.14M24.23M
Total

Net shares

+88.45K

Net value

$360K

Derivative Transactions0
No derivative transactions reported
YANG ALEX KEUN MO — Insider Transaction (Form 4) Filed May 29, 2026 | Finecho