Xin Lang Cai Jing·2026-02-27 14:42Group 1 - The core point of the article highlights the stock buyback and sell-off activities of various A-share listed companies on February 27, with a specific focus on the proposed share buyback by Bi Yin Le Fen and the planned sell-offs by 14 other companies [1][3][4]. Group 2 - Bi Yin Le Fen's controlling shareholder and its concerted parties plan to increase their holdings in the company by 100 million to 200 million yuan [2][4]. - The following companies have announced share sell-offs: - Shengke Communication plans to reduce its stake to 13% by the National Integrated Circuit Industry Investment Fund [5]. - *ST Dazheng intends to sell no more than 1% of its shares [5]. - Changsheng Co. plans to reduce its stake by no more than 3% [5]. - Jiazhe New Energy's shareholder GLP Renewable Energy aims to sell no more than 3% of its shares [5]. - Runhe Software intends to sell no more than 487,970 shares that have been repurchased [5]. - Shenghui Integration's shareholder Suzhou Haohui plans to reduce its stake by no more than 1% [5]. - Zhenghai Biological's shareholder Longwood intends to sell no more than 2% of its shares [5]. - Wuhan Tianyuan's shareholder Tianyuan Advantage plans to reduce its stake by no more than 1.93% [5]. - Changhua Chemical intends to sell no more than 1.4443 million shares [5]. - Meilian New Materials' shareholders plan to collectively reduce their stake by no more than 4% [5]. - Fangda Special Steel's shareholder Xu Huigong intends to sell no more than 1% of its shares [5]. - Riying Electronics' controlling shareholder is planning to reduce its stake by no more than 3% [5]. - Juguang Technology's controlling shareholder and actual controller plan to sell no more than 0.5564% of their shares [5]. - Jieya Co.'s shareholders Mingyuan Fund and its concerted parties plan to collectively reduce their stake by no more than 4.99% [5].