X0202 SCHEDULE 13G/A 0001213900-25-013756 0002056465 XXXXXXXX LIVE 2 Ordinary shares, par value US$0.00001428571428 per share 09/30/2026 0001967631 Jinxin Technology Holding Co 47760D201 SHENGYIN BUILDING, SHENGXIA ROAD 666 BUILDING D, FLOOR 8 PUDONG DISTRICT, SHANGHAI F4 201203 Rule 13d-1(d) WU CAPITAL LTD D8 0.00 0.00 0.00 0.00 0.00 N 0 CO This Amendment reports that the Reporting Person has ceased to be the beneficial owner of more than five percent of the Issuer's outstanding ordinary shares and constitutes an exit filing for the Reporting Person. Xinyi Cai K3 0.00 0.00 0.00 0.00 0.00 N 0 IN Ms. Xinyi Cai beneficially owns 100% of the equity interests in Wu Capital Limited through a trust for which she acts as the settlor. Wu Capital Limited disposed of all ordinary shares of the Issuer previously held by it. Accordingly, Ms. Xinyi Cai no longer beneficially owns any ordinary shares of the Issuer. This Amendment reports that the Reporting Person has ceased to be the beneficial owner of more than five percent of the Issuer's outstanding ordinary shares and constitutes an exit filing for the Reporting Person. Jinxin Technology Holding Co SHENGYIN BUILDING, SHENGXIA ROAD 666, BUILDING D, FLOOR 8, PUDONG DISTRICT, SHANGHAI, CHINA 201203 WU CAPITAL LTD Xinyi Cai Wu Capital Limited: Palm Grove House, P.O. Box 438, Road Town, Tortola, British Virgin Islands Xinyi Cai: Flat A, 22/F, Tower 2, Regence Royale, 2 Bowen Road, Hong Kong WU CAPITAL LTD - VIRGIN ISLANDS, BRITISH Xinyi Cai - HONG KONG Y WU CAPITAL LTD: 0 Xinyi Cai: 0 0 WU CAPITAL LTD - 0 Xinyi Cai - 0 WU CAPITAL LTD - 0 Xinyi Cai - 0 WU CAPITAL LTD - 0 Xinyi Cai - 0 WU CAPITAL LTD - 0 Xinyi Cai - 0 N Y Y Y Y Y Y Exhibit 1 Joint Filing Agreement WU CAPITAL LTD /s/ Xinyi Cai 10/30/2026 Xinyi Cai /s/ Xinyi Cai 10/30/2026