<SEC-DOCUMENT>0001213900-26-012759-index.html : 20260205 <SEC-HEADER>0001213900-26-012759.hdr.sgml : 20260205 <ACCEPTANCE-DATETIME>20260205160520 ACCESSION NUMBER: 0001213900-26-012759 CONFORMED SUBMISSION TYPE: SCHEDULE 13D PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20260205 DATE AS OF CHANGE: 20260205 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Polaryx Therapeutics, Inc. CENTRAL INDEX KEY: 0002075320 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences EIN: 000000000 STATE OF INCORPORATION: WY FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SCHEDULE 13D SEC ACT: 1934 Act SEC FILE NUMBER: 005-95464 FILM NUMBER: 26602866 BUSINESS ADDRESS: STREET 1: 140 EAST RIDGEWOOD AVENUE STREET 2: SUITE 415, SOUTH TOWER CITY: PARAMUS STATE: NJ ZIP: 07652 BUSINESS PHONE: 201-940-7236 MAIL ADDRESS: STREET 1: SOUTH TOWER, 140 E RIDGEWOOD AVENUE STREET 2: SUITE 415 CITY: PARAMUS STATE: NJ ZIP: 07652 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: Mstone Partners Healthcare Ltd CENTRAL INDEX KEY: 0002104809 ORGANIZATION NAME: EIN: 000000000 STATE OF INCORPORATION: K3 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SCHEDULE 13D BUSINESS ADDRESS: ADDRESS IS A NON US LOCATION: YES STREET 1: 7/F 80 GLOUCESTER ROAD CITY: WANCHAI PROVINCE COUNTRY: K3 ZIP: 00000 BUSINESS PHONE: 852 2155 9599 MAIL ADDRESS: ADDRESS IS A NON US LOCATION: YES STREET 1: 7/F 80 GLOUCESTER ROAD CITY: WANCHAI PROVINCE COUNTRY: K3 ZIP: 00000 </SEC-HEADER> <DOCUMENT> <TYPE>SCHEDULE 13D <SEQUENCE>1 <FILENAME>primary_doc.xml <TEXT> Document 1 - file: primary_doc.html
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</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>ea027550001ex99-1_polaryx.htm <DESCRIPTION>JOINT FILING AGREEMENT <TEXT> Document 2 - file: ea027550001ex99-1_polaryx.htm
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