BYSI Insider Transactions
392 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
BYSI insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|---|---|---|---|---|
| Cui Xiangmin | TenPercentOwner | 2025-10-17 | Sale | 45,513.0 | $1.76 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-17 | Sale | 45,513.0 | $1.76 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-17 | Sale | 45,513.0 | $1.76 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-17 | Sale | 45,513.0 | $1.76 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-17 | Sale | 45,513.0 | $1.76 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-17 | Sale | 45,513.0 | $1.76 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-17 | Sale | 45,513.0 | $1.76 |
| Cui Xiangmin | TenPercentOwner | 2025-10-16 | Sale | 85,798.0 | $1.72 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-16 | Sale | 85,798.0 | $1.72 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-16 | Sale | 85,798.0 | $1.72 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-16 | Sale | 85,798.0 | $1.72 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-16 | Sale | 85,798.0 | $1.72 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-16 | Sale | 85,798.0 | $1.72 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-16 | Sale | 85,798.0 | $1.72 |
| Cui Xiangmin | TenPercentOwner | 2025-10-15 | Sale | 17,960.0 | $1.65 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-15 | Sale | 17,960.0 | $1.65 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-15 | Sale | 17,960.0 | $1.65 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-15 | Sale | 17,960.0 | $1.65 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-15 | Sale | 17,960.0 | $1.65 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-15 | Sale | 17,960.0 | $1.65 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-15 | Sale | 17,960.0 | $1.65 |
| Cui Xiangmin | TenPercentOwner | 2025-10-14 | Sale | 28,495.0 | $1.65 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-14 | Sale | 28,495.0 | $1.65 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-14 | Sale | 28,495.0 | $1.65 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-14 | Sale | 28,495.0 | $1.65 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-14 | Sale | 28,495.0 | $1.65 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-14 | Sale | 28,495.0 | $1.65 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-14 | Sale | 28,495.0 | $1.65 |
| Cui Xiangmin | TenPercentOwner | 2025-10-13 | Sale | 107,361.0 | $1.7 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-13 | Sale | 107,361.0 | $1.7 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-13 | Sale | 107,361.0 | $1.7 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-13 | Sale | 107,361.0 | $1.7 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-13 | Sale | 107,361.0 | $1.7 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-13 | Sale | 107,361.0 | $1.7 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-13 | Sale | 107,361.0 | $1.7 |
| Cui Xiangmin | TenPercentOwner | 2025-10-10 | Sale | 2,390.0 | $1.77 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-10 | Sale | 2,390.0 | $1.77 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-10 | Sale | 2,390.0 | $1.77 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-10 | Sale | 2,390.0 | $1.77 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-10 | Sale | 2,390.0 | $1.77 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-10 | Sale | 2,390.0 | $1.77 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-10 | Sale | 2,390.0 | $1.77 |
| Cui Xiangmin | TenPercentOwner | 2025-10-09 | Sale | 3,979.0 | $1.81 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-09 | Sale | 3,979.0 | $1.81 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-09 | Sale | 3,979.0 | $1.81 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-09 | Sale | 3,979.0 | $1.81 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-09 | Sale | 3,979.0 | $1.81 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-09 | Sale | 3,979.0 | $1.81 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-09 | Sale | 3,979.0 | $1.81 |
| Cui Xiangmin | TenPercentOwner | 2025-10-08 | Sale | 7,507.0 | $1.77 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-08 | Sale | 7,507.0 | $1.77 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-08 | Sale | 7,507.0 | $1.77 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-08 | Sale | 7,507.0 | $1.77 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-08 | Sale | 7,507.0 | $1.77 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-08 | Sale | 7,507.0 | $1.77 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-08 | Sale | 7,507.0 | $1.77 |
| Cui Xiangmin | TenPercentOwner | 2025-10-07 | Sale | 2,100.0 | $1.79 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-07 | Sale | 2,100.0 | $1.79 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-07 | Sale | 2,100.0 | $1.79 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-07 | Sale | 2,100.0 | $1.79 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-07 | Sale | 2,100.0 | $1.79 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-07 | Sale | 2,100.0 | $1.79 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-07 | Sale | 2,100.0 | $1.79 |
| Cui Xiangmin | TenPercentOwner | 2025-10-06 | Sale | 17,500.0 | $1.78 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-06 | Sale | 17,500.0 | $1.78 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-06 | Sale | 17,500.0 | $1.78 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-06 | Sale | 17,500.0 | $1.78 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-06 | Sale | 17,500.0 | $1.78 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-06 | Sale | 17,500.0 | $1.78 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-06 | Sale | 17,500.0 | $1.78 |
| Cui Xiangmin | TenPercentOwner | 2025-10-03 | Sale | 600.0 | $1.76 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-03 | Sale | 600.0 | $1.76 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-03 | Sale | 600.0 | $1.76 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-03 | Sale | 600.0 | $1.76 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-03 | Sale | 600.0 | $1.76 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-03 | Sale | 600.0 | $1.76 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-03 | Sale | 600.0 | $1.76 |
| Cui Xiangmin | TenPercentOwner | 2025-10-02 | Sale | 600.0 | $1.73 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-02 | Sale | 600.0 | $1.73 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-02 | Sale | 600.0 | $1.73 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-02 | Sale | 600.0 | $1.73 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-02 | Sale | 600.0 | $1.73 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-02 | Sale | 600.0 | $1.73 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-02 | Sale | 600.0 | $1.73 |
| Cui Xiangmin | TenPercentOwner | 2025-10-01 | Sale | 2,601.0 | $1.8 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-10-01 | Sale | 2,601.0 | $1.8 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-10-01 | Sale | 2,601.0 | $1.8 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-10-01 | Sale | 2,601.0 | $1.8 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-10-01 | Sale | 2,601.0 | $1.8 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-10-01 | Sale | 2,601.0 | $1.8 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-10-01 | Sale | 2,601.0 | $1.8 |
| Cui Xiangmin | TenPercentOwner | 2025-09-30 | Sale | 4,464.0 | $1.81 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-09-30 | Sale | 4,464.0 | $1.81 |
| Decheng Capital China Life Sciences USD Fund III, L.P. | TenPercentOwner | 2025-09-30 | Sale | 4,464.0 | $1.81 |
| Decheng Capital Management III (Cayman), LLC | TenPercentOwner | 2025-09-30 | Sale | 4,464.0 | $1.81 |
| Decheng Capital Global Healthcare Fund (Master), LP | TenPercentOwner | 2025-09-30 | Sale | 4,464.0 | $1.81 |
| Decheng Capital Global Healthcare GP, LLC | TenPercentOwner | 2025-09-30 | Sale | 4,464.0 | $1.81 |
| Decheng Capital Management II (Cayman), LLC | TenPercentOwner | 2025-09-30 | Sale | 4,464.0 | $1.81 |
| Cui Xiangmin | TenPercentOwner | 2025-09-29 | Sale | 500.0 | $1.75 |
| Decheng Capital China Life Sciences USD Fund II, L.P. | TenPercentOwner | 2025-09-29 | Sale | 500.0 | $1.75 |