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    SEC Form 424B4 filed by J-Star Holding Co. Ltd.

    7/31/25 10:04:04 AM ET
    $YMAT
    Recreational Games/Products/Toys
    Consumer Discretionary
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    J-Star Receives USAPA Approval for its Second In-House Pickleball Paddle, Supernova

    TAICHUNG CITY, Taiwan, Nov. 03, 2025 (GLOBE NEWSWIRE) -- J-Star Holding Co., Ltd. (NASDAQ:YMAT) ("J-Star" or the "Company"), a leading provider of innovative carbon fiber and composite solutions across a wide range of applications including personal sports equipment, healthcare products, automobile parts, resin systems, and research and development services, today announced that its second proprietary pickleball paddle, Supernova, has received official approval from the USA Pickleball Association (USAPA) for sanctioned play. The Supernova paddle has successfully passed all USAPA tests and has been added to the official list of USAPA-certified paddles, now accessible to pickleball players n

    11/3/25 7:00:00 AM ET
    $YMAT
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    J-Star Applauds the Cooperation of Nasdaq and Ho Chi Minh City to Develop an International Financial Center in Vietnam

    TAICHUNG CITY, Taiwan, Oct. 20, 2025 (GLOBE NEWSWIRE) -- J-Star Holding Co., Ltd. (NASDAQ:YMAT) ("J-Star" or the "Company"), a leading provider of innovative carbon fiber and composite solutions across a wide range of applications including personal sports equipment, healthcare products, automobile parts, resin systems, and research and development services, welcomes the Memorandum of Understanding (MoU) between Nasdaq and the Ho Chi Minh City leadership. The landmark agreement is aimed at jointly developing a Vietnam International Financial Center (IFC) in Ho Chi Minh City, a strategic collaboration that aligns with J-Star's long-term growth plans in the region. Commented Sam Van, CEO of

    10/20/25 7:00:00 AM ET
    $YMAT
    Recreational Games/Products/Toys
    Consumer Discretionary

    USA Pickleball Grants Official Approval and Certification for J-Star's First In-House Pickleball Paddle, Horizon

    TAICHUNG CITY, Taiwan, Oct. 06, 2025 (GLOBE NEWSWIRE) -- J-Star Holding Co., Ltd. (NASDAQ:YMAT) ("J-Star" or the "Company"), a leading provider of innovative carbon fiber and composite solutions across a wide range of applications including personal sports equipment, healthcare products, automobile parts, resin systems, and research and development services, today announced that its first company owned brand pickleball paddle, Horizon, has received official approval from the USA Pickleball Association (USAPA) for sanctioned play. The Horizon paddle has successfully passed all USA Pickleball tests and has been added to the official list of USA Pickleball-certified paddles, now accessible to

    10/6/25 7:00:00 AM ET
    $YMAT
    Recreational Games/Products/Toys
    Consumer Discretionary

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    SEC Form 6-K filed by J-Star Holding Co. Ltd.

    6-K - J-Star Holding Co., Ltd. (0001875016) (Filer)

    9/22/25 4:10:35 PM ET
    $YMAT
    Recreational Games/Products/Toys
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    SEC Form 6-K filed by J-Star Holding Co. Ltd.

    6-K - J-Star Holding Co., Ltd. (0001875016) (Filer)

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    SEC Form 6-K filed by J-Star Holding Co. Ltd.

    6-K - J-Star Holding Co., Ltd. (0001875016) (Filer)

    8/1/25 6:10:27 AM ET
    $YMAT
    Recreational Games/Products/Toys
    Consumer Discretionary