| Type | Value |
|---|---|
| cik | 0001677940 |
| ticker | BYSI |
Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow.
| Date | Type | Insider | Qty | Price | Signals |
|---|---|---|---|---|---|
| 20 Mar 2026 | GIFT | Huang Lan | 260,582 | 0.00 USD | indirect |
| 17 Oct 2025 | SALE | Decheng Capital China Life Sciences USD Fund II, L.P.entity | 45,513 | 1.76 USD | indirect |
| 16 Oct 2025 | SALE | Decheng Capital China Life Sciences USD Fund II, L.P.entity | 85,798 | 1.72 USD | indirect |
| 13 Oct 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 107,361 | 1.70 USD | indirect |
| 15 Oct 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 17,960 | 1.65 USD | indirect |
| 14 Oct 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 28,495 | 1.65 USD | indirect |
| 09 Oct 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 3,979 | 1.81 USD | indirect |
| 10 Oct 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 2,390 | 1.77 USD | indirect |
| 08 Oct 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 7,507 | 1.77 USD | indirect |
| 03 Oct 2025 | SALE | Decheng Capital Management III (Cayman), LLCentity | 600 | 1.76 USD | indirect |
| 07 Oct 2025 | SALE | Decheng Capital Management III (Cayman), LLCentity | 2,100 | 1.79 USD | indirect |
| 06 Oct 2025 | SALE | Decheng Capital Management III (Cayman), LLCentity | 17,500 | 1.78 USD | indirect |
| 01 Oct 2025 | SALE | Cui Xiangmin | 2,601 | 1.80 USD | indirect |
| 02 Oct 2025 | SALE | Cui Xiangmin | 600 | 1.73 USD | indirect |
| 30 Sept 2025 | SALE | Cui Xiangmin | 4,464 | 1.81 USD | indirect |
| 26 Sept 2025 | SALE | Decheng Capital Management III (Cayman), LLCentity | 600 | 1.68 USD | indirect |
| 29 Sept 2025 | SALE | Decheng Capital Management III (Cayman), LLCentity | 500 | 1.75 USD | indirect |
| 25 Sept 2025 | SALE | Decheng Capital Management III (Cayman), LLCentity | 700 | 1.66 USD | indirect |
| 23 Sept 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 4,106 | 1.72 USD | indirect |
| 22 Sept 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 5,410 | 1.83 USD | indirect |
| 24 Sept 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 2,256 | 1.68 USD | indirect |
| 17 Sept 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 2,304 | 1.83 USD | indirect |
| 19 Sept 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 3,656 | 1.79 USD | indirect |
| 18 Sept 2025 | SALE | Decheng Capital Global Healthcare GP, LLCentity | 5,307 | 1.74 USD | indirect |
| 12 Sept 2025 | SALE | Decheng Capital Global Healthcare Fund (Master), LPentity | 700 | 1.85 USD | indirect |