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Insider Trading

Last Updated: 2 days, 9 hours ago

Fumihide Esaka has an estimated net worth of at least $32.8 million*, as of Aug. 26, 2026. They own 464,689 shares of AMBQ stock. They have sold 73,500 shares of AMBQ stock since 2021, for an estimated $5.1 million.

Fumihide Esaka $AMBQ SEC Form 4 Insider Trading

Fumihide Esaka has filed a total of 4 insider trades in $AMBQ since 2021. Their most recent trade was a sale of 1,282 shares, made on Aug 14, 2026. Their largest trade was a sale of 60,000 shares, made on May 14, 2026. We estimate that they now own 464,689 shares of $AMBQ, worth an estimated $27.7 million.



Insider Trading at $AMBQ

There have been a total of 25 insider trades reported at $AMBQ since 2021, with 0 shares purchased and 316,588 shares sold. The most active insider traders in $AMBQ stock have been Scott Mclean Hanson, Fumihide Esaka, and Jeffrey G Winzeler. The most recent trade was a sale of 27,500 shares reported by Scott McLean Hanson (Chief Technology Officer), made on Aug 26, 2026.



History of Insider Stock Trades by Fumihide Esaka

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
AMBQ logo AMBQ Sale 1,282 Aug 14, 2026 Aug. 18, 2026, 4:30 p.m.
AMBQ logo AMBQ Sale 10,718 Aug 14, 2026 Aug. 18, 2026, 4:30 p.m.
AMBQ logo AMBQ Sale 1,500 Aug 14, 2026 Aug. 18, 2026, 4:30 p.m.
AMBQ logo AMBQ Sale 60,000 May 14, 2026 May 18, 2026, 5:44 p.m.




$AMBQ Executives and Stock Owners with Insider Trades



*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.