Fumihide Esaka $AMBQ SEC Form 4 Insider Trading

Fumihide Esaka has filed a total of 25 insider trades in $AMBQ since 2021. Their most recent trade was a sale of 500 shares, made on Oct 15, 2026. Their largest trade was a sale of 60,000 shares, made on May 14, 2026. We estimate that they now own 448,900 shares of $AMBQ, worth an estimated $23.6 million.

Insider Trading at $AMBQ

There have been a total of 79 insider trades reported at $AMBQ since 2021, with 0 shares purchased and 607,475 shares sold. The most active insider traders in $AMBQ stock have been Fumihide Esaka, Scott Mclean Hanson, and Sean Chihhsiang Chen. The most recent trade was a sale of 3,700 shares reported by Scott McLean Hanson (Chief Technology Officer), made on Oct 15, 2026.

$AMBQ Executives and Stock Owners with Insider Trades

• Fumihide Esaka, Chief Executive Officer

• Scott Mclean Hanson, Chief Technology Officer

• Sean Chihhsiang Chen, President and COO

• Jeffrey G Winzeler, Chief Financial Officer

• Michele Kim Connors, General Counsel

*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.