Esaka Fumihide Insider Trades & Stock Holdings

Chief Executive Officer · Ambiq Micro, Inc. · Latest filing Oct 2, 2026

Esaka Fumihide, Chief Executive Officer at Ambiq Micro, Inc. has 1 Form 4 trade on file since Oct 2, 2026. Open-market activity: 0 purchases ($0) and 1 sale ($1.15M), net -$1.15M. Latest filing: disposed of 16.56K shares of $AMBQ on Oct 2, 2026 at $69.60.

Trades on file

1

Open-market bought

$0

Open-market sold

$1.15M

Net open-market

-$1.15M

Latest filing

Oct 2, 2026

All insider trades by Esaka Fumihide

Date	Ticker	Type	Shares	Price	Value	Owned after	ΔOwn	1W	1M	6M	Role	Filing	Story
Oct 2, 2026	$AMBQ	Sell (Open-market sale)	16.56K	$69.60	$1.15M						Chief Executive Officer		—

"Buy" means shares acquired on the Form 4 (including grants and option exercises); "Sell" means shares disposed. 1W / 1M / 6M = how the stock moved after the trade.

Stocks Esaka Fumihide traded

• $AMBQ

Frequently asked questions

Has Esaka Fumihide been buying or selling stock?

Esaka Fumihide has 0 open-market purchases and 1 open-market sale on file, net -$1.15M. Grants, option exercises and tax withholding are listed separately because they are not open-market trades.

What was Esaka Fumihide's latest insider trade?

disposed of 16.56K shares of $AMBQ on Oct 2, 2026 at $69.60.

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.