You unlocked 28 million shares this time, why are more than 26 million shares locked?

NavInfo: Hello, the company has lifted the restriction on approximately 27.98 million shares in this period. All incentive targets under the company's 2021 equity incentive plan must be managed in accordance with the rules for executives. Therefore, after the lifting of the restriction on the sale of the company's restricted shares in this period, approximately 26.71 million shares are in a locked state.