当升科技(300073.SZ)：2025年管理层与核心骨干股权增持计划累计买入28.32万股

Group 1 - The core point of the article is that 当升科技 (300073.SZ) has implemented a stock buyback plan, purchasing a total of 283,200 shares from the secondary market, which represents 0.05% of the company's total share capital [1] - The shares were acquired through a trust managed by 云南国际信托有限公司, specifically the "云南信托－与奋斗者同行当升科技员工持股第六期管理服务信托" [1] - The average transaction price for the shares was 55.83 yuan per share, with a total transaction amount of approximately 15.81 million yuan [1]