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Signature
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/s/ Sihai Xu
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Stock symbol
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BYSI
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Transactions as of
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Apr 21, 2025
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Transactions value $
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$0
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Form type
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4
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Date filed
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4/23/2025, 08:58 AM
Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)
Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Underlying Class |
Amount |
Exercise Price |
Ownership |
Footnotes |
transaction |
BYSI |
Stock Options (right to buy) |
Award |
$0 |
+19.9K |
|
$0.00 |
19.9K |
Apr 21, 2025 |
Ordinary Shares |
19.9K |
$1.31 |
Direct |
F1 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Explanation of Responses: