SCHEDULE 13G/A 0001193125-19-036828 0001765212 XXXXXXXX LIVE 7 Class A ordinary shares, $0.00001 par value per share 12/31/2025 0001742770 Viomi Technology Co., Ltd 92762J103 Wansheng Square, Rm 1302 Tower C Xingang East Road, Haizhu District Guangzhou F4 510220 Rule 13d-1(d) Xiaoping Chen b F4 71406328.00 1086717.00 71406328.00 0.00 72493045.00 N 35.9 IN As of December 31, 2025, Xiaoping Chen beneficially owned 3,956,681 Class A ordinary shares and 68,536,364 Class B ordinary shares, representing (i) 1,000,000 Class A ordinary shares in the form of ADSs beneficially owned by Xiaoping Chen; (ii) 2,200,000 Class A ordinary shares and 67,636,364 Class B ordinary shares beneficially owned by Viomi Limited; (iii) 569,964 Class A ordinary shares in the form of ADS beneficially owned by VioCloud Limited, and (iv) 900,000 Class B ordinary shares and 186,717 Class A ordinary shares in the form of ADS beneficially owned by certain employees. Viomi Limited is wholly owned by a trust established for the benefit of Xiaoping Chen and his family. VioCloud Limited is wholly owned by Foshan Yunmi Electric Appliances Technology Co., Ltd. Xiaoping Chen directly holds 99.78% equity interests in Foshan Yunmi Electric Appliances Technology Co., Ltd. and holds another 0.22% equity interests in it through a limited partnership controlled and managed by Xiaoping Chen. The abovementioned certain employees granted an irrevocable voting proxy for all their ordinary shares to Mr. Xiaoping Chen, and thus Mr. Xiaoping Chen has shared power to direct the voting of such shares but no power to dispose the same. The percentage of class of securities beneficially owned by each Reporting Person is based on a total of 201,965,189 ordinary shares (being the sum of 99,200,641 Class A ordinary shares (excluding 12,145,923 Class A ordinary shares that were issued to the Issuer's depositary bank and are reserved for future grants under the Issuer's share incentive plans and 15,703,314 Class A ordinary shares that were repurchased by the Issuer) and 102,764,548 Class B ordinary shares) of the Issuer outstanding as of December 31, 2025. Class B ordinary shares are convertible at any time by the holder thereof into Class A ordinary shares on a one-for-one basis. Class A ordinary shares are not convertible into Class B ordinary shares under any circumstances. Each holder of Class A ordinary shares is entitled to one vote per share and each holder of our Class B ordinary shares is entitled to ten votes per share on all matters submitted to them for vote. Viomi Limited D8 69836364.00 0.00 69836364.00 0.00 69836364.00 N 34.6 CO As of December 31, 2025, 2,200,000 Class A ordinary shares and 67,636,364 Class B ordinary shares were beneficially owned by Viomi Limited, a British Virgin Islands company wholly owned by Xiaoping Chen. Viomi Limited is wholly owned by a trust established for the benefit of Xiaoping Chen and his family. The percentage of class of securities beneficially owned by each Reporting Person is based on a total of 201,965,189 ordinary shares (being the sum of 99,200,641 Class A ordinary shares (excluding 12,145,923 Class A ordinary shares that were issued to the Issuer's depositary bank and are reserved for future grants under the Issuer's share incentive plans and 15,703,314 Class A ordinary shares that were repurchased by the Issuer) and 102,764,548 Class B ordinary shares) of the Issuer outstanding as of December 31, 2025. Class B ordinary shares are convertible at any time by the holder thereof into Class A ordinary shares on a one-for-one basis. Class A ordinary shares are not convertible into Class B ordinary shares under any circumstances. Each holder of Class A ordinary shares is entitled to one vote per share and each holder of our Class B ordinary shares is entitled to ten votes per share on all matters submitted to them for vote. VioCloud Limited K3 569964.00 0.00 569964.00 0.00 569964.00 N 0.3 CO As of December 31, 2025, 569,964 Class A ordinary shares in the form of ADS were beneficially owned by VioCloud Limited, a Hong Kong company controlled by Xiaoping Chen. VioCloud Limited is wholly owned by Foshan Yunmi Electric Appliances Technology Co., Ltd. Xiaoping Chen directly holds 99.78% equity interests in Foshan Yunmi Electric Appliances Technology Co., Ltd. and holds another 0.22% equity interests in it through a limited partnership controlled and managed by Xiaoping Chen. The percentage of class of securities beneficially owned by each Reporting Person is based on a total of 201,965,189 ordinary shares (being the sum of 99,200,641 Class A ordinary shares (excluding 12,145,923 Class A ordinary shares that were issued to the Issuer's depositary bank and are reserved for future grants under the Issuer's share incentive plans and 15,703,314 Class A ordinary shares that were repurchased by the Issuer) and 102,764,548 Class B ordinary shares) of the Issuer outstanding as of December 31, 2025. Class B ordinary shares are convertible at any time by the holder thereof into Class A ordinary shares on a one-for-one basis. Class A ordinary shares are not convertible into Class B ordinary shares under any circumstances. Each holder of Class A ordinary shares is entitled to one vote per share and each holder of our Class B ordinary shares is entitled to ten votes per share on all matters submitted to them for vote. Viomi Technology Co., Ltd Wansheng Square, Rm 1302 Tower C, Xingang East Road, Haizhu District, Guangzhou, F4 510220 (i) Xiaoping Chen, (ii) Viomi Limited, and (iii) VioCloud Limited (collectively, the "Reporting Persons") Xiaoping Chen c/o Wansheng Square, Rm 1302 Tower C, Xingang East Road Haizhu District, Guangzhou, Guangdong, 510220 People's Republic of China Viomi Limited c/o NovaSage Incorporation (BVI) Limited of NovaSage Chambers, P.O. Box 4389 Road Town, Tortola British Virgin Islands VioCloud Limited Unit 08, 15/F Witty Commercial Building, 1A-1L Tung Choi Street, Hong Kong Hong Kong Xiaoping Chen - People's Republic of China Viomi Limited - British Virgin Islands VioCloud Limited - Hong Kong Y Xiaoping Chen - 72,493,045 Viomi Limited - 69,836,364 VioCloud Limited - 569,964 Xiaoping Chen - 35.9%, representing 61.2% of the total outstanding voting power Viomi Limited - 34.6%, representing 60.2% of the total outstanding voting power VioCloud Limited - 0.3%, representing 0.1% of the total outstanding voting power Xiaoping Chen - 71,406,328 Viomi Limited - 69,836,364 VioCloud Limited - 569,964 Xiaoping Chen - 1,086,717 Viomi Limited - 0 VioCloud Limited - 0 Xiaoping Chen - 71,406,328 Viomi Limited - 69,836,364 VioCloud Limited - 569,964 Xiaoping Chen - 0 Viomi Limited - 0 VioCloud Limited - 0 Y Y Y Y Y Y Exhibit A - Joint Filing Agreement by and between the Reporting Persons, dated as of February 12, 2026 Xiaoping Chen /s/Xiaoping Chen 02/12/2026 Viomi Limited /s/Xiaoping Chen 02/12/2026 VioCloud Limited /s/Xiaoping Chen 02/12/2026