Group 1 - The core announcement is the appointment of Zhang Siwei as a new fund manager for Changxin Innovation-Driven Stock and Changxin Lexin Flexible Allocation Mixed Funds [1][2] - Zhang Siwei has a background in stock and derivative research from Guotai Junan Securities and joined Changxin Fund Management in September 2023 [1] - Changxin Innovation-Driven Stock Fund, established on September 29, 2016, has a year-to-date return of 3.10% and a cumulative return of 146.30%, with a net value of 2.4630 yuan as of February 5, 2026 [1] - Changxin Lexin Flexible Allocation Mixed Fund, established on December 7, 2017, has year-to-date returns of 0.10% and 0.08%, with cumulative returns of 40.38% and 39.43%, and net values of 1.3700 yuan and 1.3622 yuan as of February 5, 2026 [1] Group 2 - The announcement is made in accordance with the "Measures for the Disclosure of Information on Publicly Raised Securities Investment Funds" [2] - The fund manager change for Changxin Innovation-Driven Stock involves the addition of Zhang Siwei alongside existing manager Jiu Jia [2] - The fund manager change for Changxin Lexin Flexible Allocation Mixed involves the addition of Zhang Sibian alongside existing managers Zhang Ziqiao and Cheng Fang [2]