国泰海通：9月12日日终清算后，实施法人切换、客户及业务迁移合并

Group 1 - Guotai Haitong announced plans for a corporate transition and business integration, set to take effect after the end-of-day settlement on September 12, 2025 [3] - The integration will involve merging clients and business operations from Haitong Securities Co., Ltd. into Guotai Haitong [3]