On November 8th, Optics(300790.SZ) announced that the company recently learned that shareholder Mr. Zhang Pinguang and its concerted action person's shareholding percentage has changed by more than 1%. This change in equity is due to Mr. Zhang Pinguang, a shareholder holding more than 5%, and its concerted action person cancelling restricted share buybacks, reducing shareholdings through centralized bidding, and converting "Yutong Convertible Bonds", which increased the company's total share capital, resulting in the dilution of the shareholding percentage of shareholders holding more than 5% and their concerted action person passively.

From March 22, 2023 to the date of the announcement, the total share capital of the company changed from 338,380,666 shares to 353,597,496 shares. The total number of shares held by shareholder Mr. Zhang Pinguang and its concerted action person holding more than 5% changed from 50,811,143 shares to 47,836,563 shares, and the shareholding percentage changed from 15.02% to 13.53%.