---
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

Form 4

Chen Sean Chihhsiang

President and COO

Sell

$3,947,280

Form 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.

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