On May 26, QuantumPharm Holdings rose 5.03% in regular trading, trading at HK$8.33/share, with trading volume of HK$447 million.

On the news front, the company announced on May 25 that its three co-founders and executive directors — Wen Shuhao, Ma Jian, and Lai Lipeng — have voluntarily extended their share lock-up commitment by an additional twelve months, from June 12, 2026 to June 12, 2027. The restricted shares total approximately 555.17 million, representing around 12.9% of the company's issued share capital. The founders stated that the extension is intended to express confidence in the company's long-term value.

This voluntary lock-up extension removes near-term overhang concerns related to potential insider selling, signaling strong insider conviction. The announcement comes after the stock experienced selling pressure on May 20 when a large block trade of 1.1 million shares at HK$7.8 triggered a 5.01% intraday decline, making the founders' commitment particularly reassuring to the market.

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