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Fumihide Esaka
Chief executive, Ambiq Micro
Fumihide Esaka is a chief executive at Ambiq Micro. Their most recent Section 16 filing is from October 2026.
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- chief executive at Ambiq Micro
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Money
Ambiq's four top officers sold $3.1 million of stock as analysts set $85 and $90 targets
The last sale was filed October 11; the stock closed at $55.86 on October 13, below every disclosed officer sale price and below the $78 Ambiq got for its own shares in June. The new targets sit at $85 and $90.
· 3 min read
Money
Ambiq's CEO filed a $1.1M tax sale; his own form shows $11M already sold
A Form 144 accepted 2 October brands Ambiq Micro chief executive Fumihide Esaka's latest share sale a sell-to-cover tax trade. The same notice lists seven earlier sales worth $11.0 million, one day after analysts ranked the $1.6 billion chipmaker 61 places above Nvidia.
· 2 min read