$BYSI 4 SEC Filings

Filed On	Filing
06 Jul 2026	Form 4: Majeti Jiangwen, Director Granted 100,000 Stock Options (right to buy)
06 Jul 2026	Form 4: Qiu Min, Chief Executive Officer Granted 100,000 Stock Options (right to buy)
15 May 2026	Form 4: Huang Lan, Director Gave 260,582 shares as a gift
08 Apr 2026	Form 4: Kirkby Matthew, Director Granted 23,902 Stock Options (right to buy)
03 Apr 2026	Form 4: Fabbio Patrick, Director Granted 22,165 Stock Options (right to buy)
03 Apr 2026	Form 4: Delaney Brendan, Director Granted 20,427 Stock Options (right to buy)
03 Apr 2026	Form 4: Majeti Jiangwen, Director Granted 21,730 Stock Options (right to buy)
03 Apr 2026	Form 4: Lu Yingjuan June, Chief Scientific Officer Granted 17,840 Stock Options (right to buy)
03 Apr 2026	Form 4: Huang Lan, Director Granted 11,514 Stock Options (right to buy)
03 Apr 2026	Form 4: Xu Sihai, Director Granted 18,689 Stock Options (right to buy)
20 Oct 2025	Form 4: Decheng Capital China Life Sciences Usd Fund III, L.p., 10% owner and 6 others Sold 85,798 shares ($148K) · Sold 45,513 shares ($80.1K)
15 Oct 2025	Form 4: Decheng Capital China Life Sciences Usd Fund III, L.p., 10% owner and 6 others Sold 107,361 shares ($183K) · Sold 28,495 shares ($47K) · Sold 17,960 shares ($29.6K)
10 Oct 2025	Form 4: Decheng Capital China Life Sciences Usd Fund III, L.p., 10% owner and 6 others Sold 7,507 shares ($13.3K) · Sold 3,979 shares ($7.2K) · Sold 2,390 shares ($4.23K)
07 Oct 2025	Form 4: Decheng Capital China Life Sciences Usd Fund III, L.p., 10% owner and 6 others Sold 600 shares ($1.06K) · Sold 17,500 shares ($31.2K) · Sold 2,100 shares ($3.76K)
02 Oct 2025	Form 4: Decheng Capital China Life Sciences Usd Fund III, L.p., 10% owner and 6 others Sold 4,464 shares ($8.08K) · Sold 2,601 shares ($4.68K) · Sold 600 shares ($1.04K)
29 Sep 2025	Form 4: Decheng Capital China Life Sciences Usd Fund III, L.p., 10% owner and 5 others Sold 700 shares ($1.16K) · Sold 600 shares ($1.01K) · Sold 500 shares ($875)
24 Sep 2025	Form 4: Decheng Capital China Life Sciences Usd Fund III, L.p., 10% owner and 5 others Sold 5,410 shares ($9.9K) · Sold 4,106 shares ($7.06K) · Sold 2,256 shares ($3.79K)
19 Sep 2025	Form 4: Decheng Capital China Life Sciences Usd Fund III, L.p., 10% owner and 5 others Sold 2,304 shares ($4.22K) · Sold 5,307 shares ($9.23K) · Sold 3,656 shares ($6.54K)
16 Sep 2025	Form 4: Decheng Capital China Life Sciences Usd Fund III, L.p., 10% owner and 5 others Sold 700 shares ($1.3K) · Sold 2,570 shares ($4.73K) · Sold 840 shares ($1.58K)
11 Sep 2025	Form 4: Decheng Capital China Life Sciences Usd Fund III, L.p., 10% owner and 5 others Sold 9,050 shares ($17.8K) · Sold 8,176 shares ($15.8K) · Sold 3,820 shares ($7.26K)

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