Director Timothy Chen Sells $5.6M in Ambiq Micro Stock
AMBQ has more than doubled off its 52-week low of $22.12.
Summary
Ambiq Micro Director Timothy Chen sold $5.6 million in company stock, contributing to a recent pattern of significant insider selling despite the company's strong Q1 financial performance.
Key Events · Ownership and Investor Activity · AMBQ
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Director Sells Significant Stake
Director Timothy Chen sold 70,592 shares of Ambiq Micro common stock from indirect holdings (via Triumph Way Investment Inc.) for a total of $5,632,525 on May 27, 2026.
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Adds to Ongoing Insider Selling Trend
This transaction contributes to a broader trend of insider selling at Ambiq Micro, with over $10 million in net sales by four insiders in the last 90 days, despite recent strong Q1 financial results.
Analysis · AMBQ · Manufacturing
Director Timothy Chen sold over $5.6 million worth of Ambiq Micro common stock from indirect holdings. This significant sale by a director, occurring shortly after the company reported strong Q1 results, adds to a recent pattern of substantial insider selling by other executives, including the CEO, President, and CFO. This trend could signal a lack of conviction from leadership despite positive company performance.
How filings like this one have moved
In the 30 days to Sep 13, 2026, 29.5% of the 1672 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.22%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, AMBQ was trading at $79.37 on NYSE in the Manufacturing sector, with a market capitalization of approximately $1.7B. The 52-week trading range was $22.12 to $85.72. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.