Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:98704d56-93e4-09c1-4215-85f9aac4749c 2026-05-12T21:52:49-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services PLYX: LANDIS G MICHAEL (CFO,DIR) Bought (B) 2,867 Shares of POLARYX THERAPEUTICS INC for $2.79 on 2/18 urn:uuid:79f9ef6a-28de-8f66-545e-f1efac4c2e4c 2026-02-20T16:41:55-05:00 PLYX: YANG ALEX KEUN MO (CEO,DIR,BO) Filed a Form 3, Becoming a Registered Insider at POLARYX THERAPEUTICS INC With Initial Indirect Holdings of 108,282 urn:uuid:4a676b08-32f7-7d2f-6962-efe9ee345ca0 2026-01-29T18:07:38-05:00 PLYX: YANG ALEX KEUN MO (CEO,DIR,BO) Filed a Form 3, Becoming a Registered Insider at POLARYX THERAPEUTICS INC With Initial Indirect Holdings of 183,560 urn:uuid:39ad23bc-bb71-055c-928b-967f61805474 2026-01-29T18:07:38-05:00 PLYX: YANG ALEX KEUN MO (CEO,DIR,BO) Filed a Form 3, Becoming a Registered Insider at POLARYX THERAPEUTICS INC With Initial Indirect Holdings of 22.5mm urn:uuid:0d9ddf42-f981-b2dd-8a9d-f5fcbfd5c6ca 2026-01-29T18:07:38-05:00 PLYX: YANG ALEX KEUN MO (CEO,DIR,BO) Filed a Form 3, Becoming a Registered Insider at POLARYX THERAPEUTICS INC With Initial Direct Holdings of 1.4mm urn:uuid:a801ec8a-5781-cfc7-a7ac-58cfbf4e4a6a 2026-01-29T18:07:38-05:00 PLYX: BRAUN III FRANCIS A (DIR) Filed a Form 3, Becoming a Registered Insider at POLARYX THERAPEUTICS INC With Initial Holdings of 0 urn:uuid:6919fdbc-5bfb-7fb3-dea2-8a3aa096e052 2026-01-29T16:44:03-05:00 PLYX: BOLLINGER LISA (O) Filed a Form 3, Becoming a Registered Insider at POLARYX THERAPEUTICS INC With Initial Direct Holdings of 150,358 urn:uuid:b06c78b1-8e80-30ee-393a-ea9af69506a5 2026-01-29T16:43:49-05:00 PLYX: LANDIS G MICHAEL (CFO,DIR) Filed a Form 3, Becoming a Registered Insider at POLARYX THERAPEUTICS INC With Initial Direct Holdings of 225,358 urn:uuid:de0e2a54-e0bc-9e58-6c86-82ed77e1fa4d 2026-01-29T16:43:35-05:00 PLYX: RYAN CHARLES S (DIR) Filed a Form 3, Becoming a Registered Insider at POLARYX THERAPEUTICS INC With Initial Holdings of 0 urn:uuid:c178023f-724e-657c-811a-94a3031576b4 2026-01-29T16:43:21-05:00 PLYX: O ANDREW JOHN (FO) Filed a Form 3, Becoming a Registered Insider at POLARYX THERAPEUTICS INC With Initial Direct Holdings of 471,808 urn:uuid:e563f78d-bae3-db06-26fd-24a69677d640 2026-01-29T16:43:08-05:00