--- title: "Ambiq Micro Insiders Sold Shares Worth Over $8.1M" type: "News" locale: "en" url: "https://longbridge.com/en/news/286823309.md" description: "Ambiq Micro insiders, including CEO Esaka Fumihide and COO Chen Sean Chihhsiang, sold shares totaling over $8.1 million. Fumihide sold shares worth $4.2 million at an average price of $70.0187, while Chen sold shares for $3.9 million at average prices of $70.5334 and $71.3746. Both executives retained significant shareholdings post-sale." datetime: "2026-05-18T21:50:01.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/286823309.md) - [en](https://longbridge.com/en/news/286823309.md) - [zh-HK](https://longbridge.com/zh-HK/news/286823309.md) --- # Ambiq Micro Insiders Sold Shares Worth Over $8.1M Esaka Fumihide, a director and Chief Executive Officer, sold common stock at a weighted average price of $70.0187 per share (sales executed at prices ranging from $70.00 to $70.45) for a total reported sale amount of $4,201,122 and directly owned 391,189 shares following the transaction. Chen Sean Chihhsiang, an officer serving as President and Chief Operating Officer, sold common stock in two transactions on 2026-05-15 at weighted average prices of $70.5334 and $71.3746 per share for a total reported sale amount of $3,947,280 and directly owned 120,275 shares following the reported sales. Reporter Name Relationship Type Amount SEC Filing Esaka Fumihide Chief Executive Officer Sell $4,201,122 FormĀ 4 Chen Sean Chihhsiang President and COO Sell $3,947,280 FormĀ 4 **Disclaimer** This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC. ### Related Stocks - [AMBQ.US](https://longbridge.com/en/quote/AMBQ.US.md) ## Related News & Research - [Top Ambiq Micro Executives Cash In With Massive Insider Stock Sell-Off](https://longbridge.com/en/news/286849457.md) - [Innodata Insiders Sold Shares Worth Over $24M](https://longbridge.com/en/news/286333582.md) - [Nlight Insiders Sold Shares Worth Over $9.2M](https://longbridge.com/en/news/286979348.md) - [Lifeway Foods (NASDAQ:LWAY) Major Shareholder Sells $596,880.00 in Stock](https://longbridge.com/en/news/286877679.md) - [Cullen Frost Bankers Inc. Has $19.02 Million Stock Position in Advanced Micro Devices, Inc. $AMD](https://longbridge.com/en/news/287029331.md)