Sean Chihhsiang Chen, President and COO of Ambiq Micro (NASDAQ:AMBQ), sold common stock totaling approximately $3,947,280 on May 15, 2026, according to a recent SEC filing.
The sale comes as the stock trades near its 52-week high of $73.72, following a 206% surge over the past six months.
The sales involved 55,685 shares in two transactions. The first block of 32,351 shares was sold at a weighted average price of $70.5334, with prices ranging from $70.02 to $71.0097.
The second block of 23,334 shares was sold at a weighted average price of $71.3746, with prices ranging from $71.025 to $71.85.
Prior to these sales, Mr. Chen acquired 55,685 shares through the exercise of stock options at $5.88 per share. The options expire on November 2, 2026.
Following these transactions, Mr. Chen directly holds 120,275 shares.
In other recent news, Ambiq Micro reported Q1 2026 EPS of -$0.25, beating the forecast of -$0.39. Revenue reached $25.06 million, a 59.3% increase year-over-year.
