SCHEDULE 13G/A 0001961955 XXXXXXXX LIVE 3 Ordinary Shares, par value $0.000001 per share 06/30/2025 0001922097 Lanvin Group Holdings Limited G5380J100 4F, 168 Jiujiang Road, Carlowitz & Co, Huangpu District Shanghai F4 200001 Rule 13d-1(d) Gong Cheng F4 8651247.00 0.00 8651247.00 0.00 8651247.00 N 6.89 IN (Rows 5, 7 and 9): Represents 8,651,247 ordinary shares, par value $0.000001 per share ("Ordinary Shares") held by Brilliant Fashion Holdings Limited, which is the settlor of the Issuer's employee incentive award plan trust with Futu Trustee Limited as the trustee. Gong Cheng is the sole shareholder of Chenggong Holdings Limited, which holds the sole voting share (Class A ordinary share) of Brilliant Fashion Holdings Limited. Therefore, Gong Cheng has voting power and dispositive power over Ordinary Shares held by Brilliant Fashion Holdings Limited and may be deemed the beneficial owner of such Ordinary Shares. (Row 11) Based on 125,595,914 Ordinary Shares of the Issuer outstanding as of June 27, 2025, as determined based on the records of the Issuer. Brilliant Fashion Holdings Limited D8 8651247.00 0.00 8651247.00 0.00 8651247.00 N 6.89 CO (Rows 5, 7 and 9): Represents 8,651,247 ordinary shares, par value $0.000001 per share ("Ordinary Shares") held by Brilliant Fashion Holdings Limited, which is the settlor of the Issuer's employee incentive award plan trust with Futu Trustee Limited as the trustee. Gong Cheng is the sole shareholder of Chenggong Holdings Limited, which holds the sole voting share (Class A ordinary share) of Brilliant Fashion Holdings Limited. Therefore, Gong Cheng has voting power and dispositive power over Ordinary Shares held by Brilliant Fashion Holdings Limited and may be deemed the beneficial owner of such Ordinary Shares. (Row 11) Based on 125,595,914 Ordinary Shares of the Issuer outstanding as of June 27, 2025, as determined based on the records of the Issuer. Lanvin Group Holdings Limited 4F, 168 Jiujiang Road, Carlowitz & Co, Huangpu District Shanghai, F4, 200001 (i) Gong Cheng, a citizen of the People's Republic of China; and (ii) Brilliant Fashion Holdings Limited, or Brilliant Fashion, a company established in the British Virgin Islands. (i) Gong Cheng The address of the principal business office of Gong Cheng is located at: c/o Lanvin Group Holdings Limited 4F, 168 Jiujiang Road Carlowitz & Co, Huangpu District Shanghai, 200001, China (ii) Brilliant Fashion The address of the principal business office of Brilliant Fashion is located at: c/o Lanvin Group Holdings Limited 4F, 168 Jiujiang Road Carlowitz & Co, Huangpu District Shanghai, 200001, China Gong Cheng is a citizen of the People's Republic of China. Brilliant Fashion was established in the British Virgin Islands. Y The information in items 1 through 11 on the cover pages to this Schedule 13G is incorporated by reference. The information in items 1 through 11 on the cover pages to this Schedule 13G is incorporated by reference. The information in items 1 through 11 on the cover pages to this Schedule 13G is incorporated by reference. The information in items 1 through 11 on the cover pages to this Schedule 13G is incorporated by reference. The information in items 1 through 11 on the cover pages to this Schedule 13G is incorporated by reference. The information in items 1 through 11 on the cover pages to this Schedule 13G is incorporated by reference. Y Y Y Y Y Y Exhibit 99.1 - Joint Filing Agreement, dated July 14, 2025, by and among the Reporting Persons Gong Cheng /s/ Gong Cheng 07/14/2025 Brilliant Fashion Holdings Limited /s/ Gong Cheng 07/14/2025