Chen Bihua - Insider Non-Derivative Transactions at Ambrx Biopharma Inc. (AMAM) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Apr 20, 2023, Chen Bihua's relationship to Ambrx Biopharma Inc. (AMAM) is TenPercentOwner, and currently has 67,313,085 shares of Ordinary Shares.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other AMAM insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Chen Bihua - Insider Non-Derivative Transactions of AMAM Ordinary Shares

Chen Bihua - Insider Non-Derivative Transactions at AMAM

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Apr 21, 2023	P -- (Ordinary Shares)	886634	11.6	67313085
Apr 20, 2023	P -- (Ordinary Shares)	951909	11.15	66426451
Apr 19, 2023	P -- (Ordinary Shares)	3376646	11.27	65474542