CEO Esaka Fumihide sold 60,000 shares of AMBQ at $70.02 for $4.2M; stock at $71.34, stock up 105.2% in 30 days.
Esaka Fumihide, Chief Executive Officer, sold 60,000 shares at $70.02 on 2026-05-14, reducing his holdings from 511.2K shares to 451.2K shares. The sale occurred at a price near the company's 52-week high of $73.72, concurrent with a 30-day price surge of +105.2% and 90-day gain of +140.8%. The underlying company reported a latest quarterly revenue of $25.1M against a net loss of $-10.2M and annual revenue decline of -4.7%, indicating ongoing operational losses. The magnitude and timing of the sale—an 11.7% reduction of holdings at an elevated price—contrasts with the company's unprofitable fundamentals and weakening revenue trend.