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Insider Trading & Ownership of KER ZHANG

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/s/ Jeffrey Winzeler, Attorney-in-Fact
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Ownership of KER ZHANG

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
AMBQ Ambiq Micro, Inc. Director 29 Jul 2025

Insider Transactions Reported by KER ZHANG:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.