CEO Esaka Fumihide Sells $4.2M in Stock After Exercising Options
AMBQ has more than doubled off its 52-week low of $22.12 on elevated volume (2.1× avg).
Summary
Ambiq Micro's CEO, Fumihide Esaka, sold $4.2 million worth of common stock on the open market after exercising options, marking a significant insider sale.
Key Events · Ownership and Investor Activity · AMBQ
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CEO Sells Shares
CEO Fumihide Esaka sold 60,000 shares of common stock for $4,201,122 at a weighted average price of $70.02 per share on May 14, 2026.
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Option Exercise Precedes Sale
Prior to the open-market sale, Esaka exercised options to acquire 120,000 shares for a total value of $1,039,526, with exercise prices ranging from $8.12 to $12.60.
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Sale Near 52-Week High
The sale occurred when the company's stock was trading near its 52-week high, following recent strong financial results for Q1 2026.
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Follows Form 144 Filing
This Form 4 reports the execution of the intent to sell 60,000 shares previously disclosed in a Form 144 filed on May 14, 2026.
Analysis · AMBQ · Manufacturing
Ambiq Micro's CEO, Fumihide Esaka, executed a significant open-market sale of $4.2 million in common stock immediately after exercising options. This transaction, occurring while the stock is trading near its 52-week high and following strong Q1 earnings, represents a notable disposition of shares by a key executive. It finalizes the intent to sell previously disclosed in a Form 144.
At the time of this filing, AMBQ was trading at $71.34 on NYSE in the Manufacturing sector, with a market capitalization of approximately $1.5B. The 52-week trading range was $22.12 to $73.72. This filing was assessed with negative market sentiment and an importance score of 8 out of 10.