赛微电子：实际控制人、董事长杨云春累计质押7523万股

Core Viewpoint - The announcement from Saiwei Electronics indicates a significant change in the shareholding structure, particularly regarding the pledge and unpledge of shares by the controlling shareholder, which may impact investor sentiment and company stability [2] Summary by Relevant Sections Shareholding Structure - As of the announcement date, the controlling shareholder, Yang Yunchun, holds approximately 179 million shares, representing 24.46% of the total share capital of Saiwei Electronics [2] - A total of 75.23 million shares have been pledged, which accounts for 42.01% of the shares held by Yang Yunchun and 10.27% of the company's total share capital [2]