It’s very simple. As long as you transfer the equity, the trademark is not yours, but B’s. When you think about this matter, don't think of the trademark as yours. It never belongs to you. It only belongs to your company. Your company is a subject. That is to say, who is the shareholder of this company? All the assets of the company are shareholders. , including trademarks. Unless you transfer the trademark before transferring the equity, it is illegal for you to transfer it after transferring the equity, because the company is no longer yours