步长制药：步长（香港）累计质押公司股份约1.09亿股

Group 1 - The controlling shareholder, Buchang (Hong Kong), holds approximately 491 million shares of the company, accounting for 46.56% of the total share capital [1] - Buchang (Hong Kong) has pledged a total of approximately 109 million shares, which represents 22.11% of its total holdings and 10.29% of the company's total share capital [1] - The combined holdings of Buchang (Hong Kong) and its concerted parties amount to approximately 598 million shares, representing 56.72% of the total share capital, with a total of 109 million shares pledged [1]