MIRXES-B (02629) opened more than 5% higher during morning trading. At the time of writing, the stock had risen 4.98% to HK$24.90, with a turnover of HK$47.2501 million.

On February 11, MIRXES-B issued an announcement stating that the existing lock-up commitments for shares held by its co-founders and cornerstone investors are set to expire on February 23, 2026. Following the expiration of the current lock-up period, the co-founders—Dr. Zhu Xingfen (holding 32.4194 million shares), Dr. Zhou Lihan (controlling 18.6606 million shares via SLW Gene Limited), and Dr. Zou Ruiyang (controlling 17.8606 million shares via Accurate Gene Limited)—alongside cornerstone investor Beijing Xunrui Enterprise Management Partnership (holding 16.6492 million shares), have voluntarily provided commitments to the company regarding their respective equity stakes.

The voluntary commitments reflect the co-founders' and cornerstone investor's strong confidence in the company's long-term development prospects, business foundation, and strategic direction. They also demonstrate their intention to hold the company's shares over the long term and support sustainable growth and value creation. Under the voluntary commitments, during the 12-month period starting February 23, 2026, each co-founder has pledged not to sell any of their relevant shares, while the cornerstone investor has committed to holding no less than 80% of its relevant shares.