CFO Jeffrey G Winzeler sold 26,000 shares for $1,817,412.26 at AMBQ; sold 20.6% of holdings amid stock surge and operating losses
Jeffrey G Winzeler, Chief Financial Officer of Ambiq Micro, executed 2 separate sales totaling 26,000 shares for $1,817,412.26 on 2026-05-14, reducing his holdings by 20.6% from 126,347 to 100,347 shares. The transactions occurred near the 52-week high of $73.72, with the blended average sale price of $69.90, following a 30-day stock surge of +105.2% and a 90-day gain of +140.8%. This sale occurs against a backdrop of operational headwinds: the company reported a quarterly net loss of $-10,171,000.00 against revenue of $25,060,000.00, with annual revenue declining 4.7% year-over-year and the company unprofitable over its most recent full fiscal year. The timing and magnitude of the position reduction coincide with the stock's proximity to 52-week peaks during a period of negative earnings.