Polaryx Therapeutics, Inc.

PLYX·NASDAQ·$2.58Share Price as of 11/2·$122MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/13/26 10-QQ1 ended 03/31/2605/15/26 10-KFY 202503/24/26

Disclosures

8-KCurrent report09/14/26 8-KCurrent report09/01/26 8-KCurrent report07/21/26 8-KCurrent report07/17/26 8-KCurrent report05/28/26

Prospectuses and Registrations

S-8Registration of securities for employees07/24/26 424B4Prospectus02/02/26 S-1/ARegistration statement (amended)01/27/26 S-1/ARegistration statement (amended)01/14/26 S-1Registration statement (IPO)11/21/25

Proxies

DEF 14ADefinitive proxy07/28/26 DEFA14AAdditional proxy materials07/28/26

Ownership

Form 4Insider transaction05/28/26 Form 4Insider transaction02/20/26 SC 13DBeneficial ownership02/05/26 Form 3Initial insider ownership01/29/26 Form 3Initial insider ownership01/29/26

Other

ARSAnnual report to shareholders07/28/26 EFFECTRequest for effectiveness01/29/26 CERTCEO/CFO certification01/28/26 8-A12B8-A12B01/27/26 C-UC-U10/31/25