Ambiq Micro (AMBQ) CEO Fumihide Esaka Sells $255K of Stock

Ambiq Micro, Inc. Chief Executive Officer Fumihide Esaka sold 5,000 shares of company stock on October 15, 2026. The transaction was disclosed in a Form 4 filing with the Securities and Exchange Commission.

Inside Fumihide Esaka's AMBQ Trade

Esaka sold the shares at a price of $51.00 per share, bringing the total value of the sale to $255,017.50. The trade was carried out under a pre-arranged Rule 10b5-1 trading plan. Following the sale, Esaka directly owns 443,900 shares of the semiconductor company, representing an approximate 1.1% cut to his holdings.

Other Institutional Activity in Ambiq Micro, Inc.

Institutional investors have adjusted their positions in AMBQ recently. Shaw D.E. & Co., Inc. grew its holdings by 491,958 shares, ending with 983,916 shares worth about $49,077,731. Atreides Management, LP added 14,916 shares, bringing its stake to 877,123 shares valued at roughly $43,750,896. Two Sigma Investments, LP lifted its position by 614,992 shares to finish with 651,786 shares worth $32,511,086. Alliancebernstein L.P. trimmed its holdings by 76,501 shares, ending with 609,607 shares valued at $30,407,197.

Ambiq Micro, Inc. Stock Down 2.9%

AMBQ recently traded around $50.56 per share as of October 17, 2026.

Recent Earnings

Ambiq Micro reported trailing twelve-month revenue of $97.87 million and negative earnings of $0.38 per share. The company is scheduled to release its next financial results on November 5, 2026.

Insider Buying and Selling at Ambiq Micro, Inc.

Insider transactions at the firm have included multiple sales by key executives prior to this event, continuing a pattern of insider dispositions through early October.

Analysts Set New Price Targets

Roth Capital initiated coverage on July 14, 2026, with a buy rating and a $125.00 price target. UBS maintained a neutral rating on August 12, 2026, raising its target from $70.00 to $73.00. Needham maintained a buy rating on August 12, 2026, lifting its target from $70.00 to $85.00. Stifel maintained a buy rating on October 5, 2026, raising its target from $75.00 to $85.00. Jefferies initiated coverage on October 7, 2026, with a buy rating and a $90.00 price target. Across Wall Street, the stock carries a consensus buy recommendation from seven analysts with a mean price target of $87.71.

About Ambiq Micro, Inc.

Ambiq Micro builds ultra-low-power semiconductor products. Its technology is designed to reduce power usage in battery-driven hardware and connected devices.

Bottom Line

Investors are keeping an eye on upcoming earnings announcements and further insider filings to gauge executive sentiment.