J-Star Holding Co., Ltd.

YMAT·NASDAQ·$1.38Share Price as of 11/2·$24MMarket Cap as of 11/2

Financials

20-FAnnual report (foreign)04/30/26

Disclosures

6-KForeign issuer report10/30/26 6-KForeign issuer report10/27/26 6-KForeign issuer report10/23/26 6-KForeign issuer report10/09/26 6-KForeign issuer report09/29/26

Prospectuses and Registrations

F-3/AShelf registration (foreign, amended)09/14/26 F-3Shelf registration (foreign)09/04/26 S-8Registration of securities for employees01/08/26 424B4Prospectus07/31/25 F-1/ARegistration (foreign issuer, amended)07/25/25

Proxies

No matching filings.

Ownership

Form 3Initial insider ownership03/18/26 Form 3Initial insider ownership03/18/26 Form 3Initial insider ownership03/18/26 Form 3Initial insider ownership03/18/26 Form 3Initial insider ownership03/18/26

Other

EFFECTRequest for effectiveness09/23/26 8-A12B/A8-A12B/A01/07/26 8-A12B8-A12B07/29/25 CERTCEO/CFO certification07/29/25 EFFECTRequest for effectiveness07/29/25