Reporting Manager
Xiangmin Cui
Symbol
BYSI
Shares outstanding
41,311,978 shares
Disclosed Ownership
3,800,702 shares
Ownership
9.2%
Form type
SCHEDULE 13G/A
Filing time
13 Feb 2026, 16:29:03 UTC
Date of event
31 Dec 2025
Previous filing
14 Aug 2025

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Decheng Capital Management III (Cayman), LLC 3.5% 1,448,293 0 1,448,293 /s/ Xiangmin Cui By Xiangmin Cui, Manager
Decheng Capital China Life Sciences USD Fund III, L.P. 3.5% 1,448,293 0 1,448,293 /s/ Xiangmin Cui By Decheng Capital Management III (Cayman), LLC, its General Partner, by Xiangmin Cui, Manager
Decheng Capital China Life Sciences USD Fund II, L.P. 3.9% 1,617,409 0 1,617,409 /s/ Xiangmin Cui By Decheng Capital Management II (Cayman), LLC, its General Partner, by Xiangmin Cui, Manager
Decheng Capital Management II (Cayman), LLC 3.9% 1,617,409 0 1,617,409 /s/ Xiangmin Cui By Xiangmin Cui, Manager
Decheng Capital Global Healthcare Fund (Master), LP 1.8% 735,000 0 735,000 /s/ Xiangmin Cui By Decheng Capital Global Healthcare GP, LLC, its General Partner, By Decheng Capital LLC, its Manager, by Xiangmin Cui, Manager
Decheng Capital Global Healthcare GP, LLC 1.8% 735,000 0 735,000 /s/ Xiangmin Cui By Decheng Capital LLC, its Manager, by Xiangmin Cui, Manager
Xiangmin Cui 9.2% 3,800,702 0 3,800,702 /s/ Xiangmin Cui Xiangmin Cui