Ambiq Micro Officer/Director Files Intent to Sell $2.01M in Stock
AMBQ has more than doubled off its 52-week low of $22.12.
Summary
An officer and director at Ambiq Micro has filed a Form 144 to sell approximately $2.01 million in company stock, continuing a trend of insider share dispositions.
Key Events · Ownership and Investor Activity · AMBQ
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Officer/Director Files Intent to Sell
Fumihide Esaka, an Officer and Director, has filed a Form 144 indicating an intent to sell 35,000 shares of common stock with an approximate market value of $2,009,854.00. These shares were acquired through the exercise of options under a registered plan.
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Recent Insider Sales Pattern
This filing adds to a recent pattern of insider sales at Ambiq Micro. The same filer previously sold 13,500 shares for $869,225.85 on August 14, 2026. This also follows the CTO's sale of $3.28 million in stock after exercising options on August 28, 2026, as reported in a recent Form 4.
Analysis · AMBQ · Manufacturing
Fumihide Esaka, an Officer and Director at Ambiq Micro, has filed a Form 144 indicating an intent to sell over $2 million worth of common stock. This follows a pattern of insider sales, including a recent $3.28 million sale by the CTO, suggesting ongoing executive distribution of shares, often acquired through option exercises.
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 $58.31 on NYSE in the Manufacturing sector, with a market capitalization of approximately $1.4B. The 52-week trading range was $22.12 to $91.61. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.