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Company research

J-Star Holding Co., Ltd.

CIK 1875016Updated Sep 27, 2026

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SEC disclosures

Recent filings

  1. EFFECT filing

    EFFECT · 2026-09-23 · 9999999995-26-003042

  2. F-3/A filing

    F-3/A · 2026-09-14 · 0001493152-26-042496

  3. F-3 filing

    F-3 · 2026-09-04 · 0001493152-26-041488

  4. 6-K filing

    6-K · 2026-08-03 · 0001493152-26-035754

  5. 6-K filing

    6-K · 2026-07-08 · 0001493152-26-032400

Show 5 more recent filings
  1. 6-K filing

    6-K · 2026-06-17 · 0001493152-26-028998

  2. 6-K filing

    6-K · 2026-06-08 · 0001493152-26-027665

  3. 6-K filing

    6-K · 2026-05-26 · 0001493152-26-025145

  4. 6-K filing

    6-K · 2026-05-18 · 0001493152-26-024045

  5. 6-K filing

    6-K · 2026-05-08 · 0001493152-26-021865

Offerings

Registration 333-286805

424B4 · 2025-07-31 · 0001641172-25-021687

Terms from the governing filing for this registration; not a claim that the offering is open today.

Gross proceeds
5000000.0
Net proceeds
4600000.0
Deal price
4.0
Shares
1250000
Offering price
$4.00
Ticker
YMAT

Registration 333-263755

F-1/A · 2025-03-12 · 0001493152-25-009963

Terms from the governing filing for this registration; not a claim that the offering is open today.

Filing attachments

ex107.htm · F-1 · 2025-04-29

EX-FILING FEES 48 ex107.htm Exhibit 107 Calculation of Filing Fee Tables Form F-1 J-Star Holding Co., Ltd (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Security Fee Amount Proposed Maximum Fee Amount of Type …

F-1 · 2025-04-29 · 0001641172-25-006513

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ex4-1.htm · F-1 · 2025-04-29

EX-4.1

F-1 · 2025-04-29 · 0001641172-25-006513

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ex4-2.htm · F-1 · 2025-04-29

EX-4.2 7 ex4-2.htm Exhibit 4.2 THE REGISTERED HOLDER OF THIS REPRESENTATIVE’S WARRANT BY ITS ACCEPTANCE HEREOF, AGREES THAT IT WILL NOT SELL, TRANSFER OR ASSIGN THIS REPRESENTATIVE’S WARRANT EXCEPT AS HEREIN PROVIDED AND THE REGISTERED HOLDER OF THIS REPRESENTATIVE’S WARRANT AGREES THAT IT WILL NOT SELL, TRANSFER, ASSIGN, PLEDGE OR HYPOTHECATE THIS REPRESENTATIVE’S WARRANT OR CAUSE IT TO BE THE SUBJECT OF ANY HEDGING, SHORT SALE, DERIVATIVE, PUT, OR CALL TRANSACTION THAT WOULD RESULT IN THE …

F-1 · 2025-04-29 · 0001641172-25-006513

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ex99-1.htm · F-1 · 2025-04-29

EX-99.1 42 ex99-1.htm Exhibit 99.1 J-STAR HOLDING CO., LTD. CODE OF CONDUCT AND ETHICS (Conditionally adopted by a board resolution dated February 14, 2022, with effect from the effective date of the registration statement of the Company) TABLE OF CONTENTS Page I. Introduction 1 II. Standards of Conduct 1 III…

F-1 · 2025-04-29 · 0001641172-25-006513

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ex99-2.htm · F-1 · 2025-04-29

EX-99.2 43 ex99-2.htm Exhibit 99.2 J-Star Holding Co., Ltd (“the Company”) CLAWBACK POLICY Introduction The Board of Directors of the Company (the “ Board ”) believes that it is in the best interests of the Company and its shareholders to create and maintain a culture that emphasizes integrity and accountability and that reinforces the Company’s pay-for-performance compensation philosophy. The Board has therefore adopted this policy which provides for the recoupment of certain executive …

F-1 · 2025-04-29 · 0001641172-25-006513

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