He Yuan Biological: Shareholder Shanghai Tongsheng pledged 3.28% of the company's shares.

He Yuan Biology announced that shareholder Shanghai Tongsheng Yongying Enterprise Management Center pledged 20,844,000 shares, accounting for 58.40% of its holdings and 3.28% of the company's total share capital. The start date of this pledge is December 16, 2025, and the purpose of the pledge is for its own funding needs.