J-Star Holding Co., Ltd.

FY: Dec 31 2025

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Report of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934

Notice of Effectiveness

Registration statement for securities of certain foreign private issuers (amendment)

Registration statement for securities of certain foreign private issuers

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration of Securities on Exchange (amendment)

Prospectus Supplement with Pricing Information

Certification of approval for listing and registration on a national securities exchange

Notice of Effectiveness

Registration of Securities on Exchange

Registration statement for securities of certain foreign private issuers (amendment)

Free Writing Prospectus

Registration statement for securities of certain foreign private issuers (amendment)

Withdrawal of a registration statement

Registration statement for securities of certain foreign private issuers

Notice of Effectiveness

Registration statement for securities of certain foreign private issuers (amendment)

Registration statement for securities of certain foreign private issuers (amendment)

Free Writing Prospectus

Registration statement for securities of certain foreign private issuers (amendment)

Registration statement for securities of certain foreign private issuers (amendment)

New Moon Corp

Chiang Jing-Bin

HUANG CHING-CHOU

LIN PING-HONG

SUNG TING-PANG

Sam Van

WANG SHEN-HUEI

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC