华图山鼎：易定宏因未及时披露公司重大事件等违规行为被深圳证券交易所采取监管措施

Group 1 - The core issue involves the actual controller of Huatu Shanding failing to timely disclose significant events related to the company, leading to regulatory measures from the Shenzhen Stock Exchange [1] - The actual controller indirectly controls Huatu Shanding through Beijing Huatu Hongyang Education Culture Development Co., Ltd. [2] - As of April 2025, the actual controller's shares in Huatu Hongyang have been pledged at a cumulative rate of 97.8% and judicially frozen at a cumulative rate of 100% [2] Group 2 - The company did not notify Huatu Shanding in a timely manner regarding the potential changes in control due to the pledging and freezing of shares [2] - A regulatory letter has been issued as a penalty for the failure to comply with information disclosure obligations [2]