亿帆医药：控股股东2250万股质押展期至2027年2月19日

Group 1 - The core point of the article is that the controlling shareholder of Yifan Pharmaceutical, Cheng Xianfeng, has extended the pledge of 22.5 million shares, which represents 4.53% of his holdings and 1.85% of the company's total share capital [1] - The new pledge expiration date is set for February 19, 2027, while the previous expiration date was February 21, 2026 [1] - As of the announcement date, Cheng Xianfeng and his concerted parties hold a total of 521,588,207 shares, accounting for 42.88% of the total share capital [1] Group 2 - A total of 70 million shares have been pledged cumulatively, which represents 13.42% of Cheng Xianfeng's holdings and 5.75% of the company's total share capital [1]