Ambiq Micro (AMBQ) COO Sean Chihhsiang Chen Sells $772K of Stock

Ambiq Micro, Inc. (NYSE:AMBQ) President and Chief Operating Officer Sean Chihhsiang Chen sold 15,000 shares of company stock on October 14, 2026. The transaction was disclosed in a Form 4 filing with the Securities and Exchange Commission.

Inside Sean Chihhsiang Chen's AMBQ Trade

Chen executed the sale at an average price of $51.50 per share, totaling approximately $772,438. The trade was carried out under a pre-arranged Rule 10b5-1 trading plan. Following the transaction, Chen holds 106,268 shares of Ambiq Micro, which represents a 12.37% reduction in his direct holdings.

Other Institutional Activity in Ambiq Micro

Large institutional investors have also adjusted their positions in Ambiq Micro 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 grew its holdings by 614,992 shares to total 651,786 shares worth about $32,511,086. Alliancebernstein L.P. trimmed its position by 76,501 shares, ending with 609,607 shares valued at approximately $30,407,197.

Ambiq Micro, Inc. Stock Down 2.9%

Ambiq Micro shares recently traded around $50.56 as of October 17, 2026. The stock trades below its 50-day moving average of $61.89 and below its 200-day moving average of $52.72. Over the past year, the shares have ranged from a low of $22.12 to a high of $91.61. The company carries a market capitalization of approximately $1.21 billion.

Recent Earnings

For the trailing twelve months, Ambiq Micro reported $97.87 million in revenue and basic earnings of -($0.38) per share. The company posted a net profit margin of -37.8% and a return on equity of -15.5%. Ambiq Micro's next earnings report is scheduled for November 5, 2026.

Insider Buying and Selling at Ambiq Micro, Inc.

Other executives have also transacted in company shares recently. Chief Financial Officer Jeffrey G Winzeler sold 5,455 shares on October 2, 2026, for about $379,645. Chief Executive Officer Fumihide Esaka sold 16,560 shares on October 2, 2026, totaling roughly $1,152,504. Chief Technology Officer Scott Mclean Hanson sold 8,680 shares on October 2, 2026, worth about $604,091. Sean Chihhsiang Chen also sold 14,007 shares earlier on October 5, 2026, for about $951,744.

Analysts Set New Price Targets

Wall Street firms maintain varied stances on the stock, with seven analyst opinions contributing to a consensus recommendation of buy and a mean price target of $87.71. 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 to $85.00 from $70.00. Stifel maintained a buy rating on October 5, 2026, raising its target to $85.00 from $75.00. Jefferies initiated coverage on October 7, 2026, with a buy rating and a $90.00 price target.

About Ambiq Micro

Headquartered in Austin, Texas, Ambiq Micro designs ultra-low-power semiconductor solutions for electronic devices. The company develops sub-threshold power-optimized technology platforms intended to reduce energy consumption in battery-powered and wireline equipment.

Bottom Line

Investors will watch upcoming financial disclosures and the November 5 earnings release to gauge operational progress. Insider transactions under pre-arranged plans occur regularly and reflect personal portfolio management rather than shifts in corporate strategy.