Corporate

Insider Transactions

Showing insider trading activity for Huang Lan.

Insider Trading Activity Chart

Visualizing insider transactions on stock price candles

Transaction Type

Insider Role

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Recent Filings

Symbol	Name	Filed	Transaction	Type	Role	Shares
BYSI	Huang Lan	15 May 2026	20 Mar 2026	G-Gift	director, 10 percent owner, officer: Chief Executive Officer	260,582
BYSI	Huang Lan	3 Apr 2026	1 Apr 2026	A-Award	director, 10 percent owner, officer: Chief Executive Officer	11,514