依米康：控股股东孙屹峥解除质押400.00万股

Group 1 - The core point of the article is that the controlling shareholder, Sun Yizheng, has notified the company about the release of the pledge on 4,000,000 shares held by him, which represents 16.37% of his total holdings and 0.91% of the company's total share capital [1] Group 2 - The shares were pledged to Zhejiang Bingbing Pawn Co., Ltd. [1] - The announcement indicates a positive development regarding the liquidity of the controlling shareholder's stake [1]