Sean Chihhsiang Chen

Companies

• Ambiq Micro, Inc.Chief operating officer Jul 29, 2025 to now¹
• Ambiq Micro, Inc.President Jul 29, 2025 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• AMAmbiq Micro, Inc. AMBQ120,275 shares²$6.0M at $49.59Sep 14, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 14, 2026Sold 1,400 shares at $60.83 of Ambiq Micro, Inc.²
• Sep 14, 2026Sold 11,000 shares at $60.24 of Ambiq Micro, Inc.²
• Sep 14, 2026Sold 2,600 shares at $59.36 of Ambiq Micro, Inc.²
• Sep 14, 2026Exercised options 15,000 shares at $8.12 of Ambiq Micro, Inc.²
• Sep 4, 2026Sold 2,126 shares at $57.68 of Ambiq Micro, Inc.³
• Sep 4, 2026Sold 12,874 shares at $57.09 of Ambiq Micro, Inc.³
• Sep 4, 2026Exercised options 15,000 shares at $8.12 of Ambiq Micro, Inc.³
• May 15, 2026Sold 23,334 shares at $71.37 of Ambiq Micro, Inc.⁴
• May 15, 2026Sold 32,351 shares at $70.53 of Ambiq Micro, Inc.⁴
• May 15, 2026Exercised options 55,685 shares at $5.88 of Ambiq Micro, Inc.⁴
• Mar 6, 2026Granted 64,246 shares of Ambiq Micro, Inc.⁵
• Mar 6, 2026Granted 64,246 shares of Ambiq Micro, Inc.⁶
• Oct 2, 2025Granted 56,029 shares of Ambiq Micro, Inc.⁷