IPO registrations (S-1, F-1) · Registrants

Polaryx Therapeutics, Inc.

SEC CIK
2075320 · filings on EDGAR ↗
Registration
Form S-1, first filed 2025-11-21, last 2026-01-27; 1 initial registration, 2 amendments
Outcome
Final prospectus filed 2026-02-02; declared effective 2026-01-29
Industry (SIC)
Pharmaceutical Preparations 2834
Incorporated in
WY
Business address
140 EAST RIDGEWOOD AVENUE, SUITE 415, SOUTH TOWER, Paramus, NJ 07652
Ticker
PLYX (Nasdaq)
EDGAR entity type
operating
Insiders and CEO pay
Polaryx Therapeutics, Inc. on the corporate pages

Offering terms

Shares offered
47,343,297
Listing
Nasdaq under the symbol PLYX

Read from the cover pages of the filings listed under “Prospectus pages read” below; check the document for anything that matters.

Filings 5

FiledFormWhat it isName as filedEDGAR
2025-11-21S-1S-1 (registration)Polaryx Therapeutics, Inc.0001213900-25-113249 ↗
2026-01-14S-1/AS-1/A (amendment)Polaryx Therapeutics, Inc.0001213900-26-004079 ↗
2026-01-27S-1/AS-1/A (amendment)Polaryx Therapeutics, Inc.0001213900-26-007973 ↗
2026-01-29EFFECTEFFECT (declared effective)Polaryx Therapeutics, Inc.9999999995-26-000339 ↗
2026-02-02424B4424B4 (final prospectus)Polaryx Therapeutics, Inc.0001213900-26-010761 ↗

Prospectus pages read 2

FiledFormRead asRangePriceSharesProceedsListingUnderwritersWhat was foundDocument
2026-01-27S-1/Aregistration statement47,343,297-Nasdaq PLYX0primary document; shares headlinedocument ↗
2026-02-02424B4final prospectus47,343,297-Nasdaq PLYX0primary document; shares headlinedocument ↗

Officers, directors and large holders Forms 3, 4 and 5

InsiderRoleTitleFilingsYearsOn this site
Berger MitchelDirector12026
Bollinger LisaOfficerChief Medical Officer12026
Braun III Francis ADirector12026
Landis G. MichaelDirector,OfficerChief Financial Officer22026
Mstone Partners Healthcare LtdDirector,TenPercentOwner22026
O Andrew JohnOfficerChief Investment Officer12026
Ryan Charles S.Director12026
Yang Alex Keun MoDirector,Officer,TenPercentOwnerChief Executive Officer22026

Everyone who filed an insider report for this company, from the SEC’s Insider Transactions Data Sets (2006 on). Person pages are matched by name and state only.

Data: SEC EDGAR. The quarterly full index (every S-1, S-1/A, F-1 and F-1/A since 1993, with the pricing prospectus, notice of effectiveness and withdrawal request of each registrant) and the company submissions data (SIC, state of incorporation, address, EIN, tickers, former names). Company details are what EDGAR holds today, not at the time of the filing.

Also on this site Fuzzy

RecordName as filedWhereDatasetMatched by
SEC filerPolaryx Therapeutics, Inc.SEC filers (EDGAR)CIK (EXACT)
Trademark ownerPolaryx Therapeutics, IncNJTrademarks (USPTO)name and state

Matched by an identifier (EIN, CIK, CRD), by name and state or city, or by street address; a shared name or address is not proof of the same person or organization. Every link says how it was made; how the cross-referencing works.