Chenming Hu

Companies

• ACM Research, Inc.Board member Nov 2, 2017 to now¹
• Ambarella Inc.Board member Oct 9, 2012 to now²
• Inphi CorporationBoard member Nov 10, 2010 to Apr 20, 2021³
• FortinetBoard member Jun 19, 2012 to Oct 1, 2020⁴
• SandiskBoard member Aug 6, 2009 to May 13, 2016⁵
• FORMFACTOR INCBoard member Dec 14, 2009 to May 21, 2010⁶
• Peraso Inc.Board member Jul 28, 2006 to Jul 24, 2009⁷

Holdings

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

Shares held

• ARACM Research, Inc. ACMR100,002 shares⁸$5.6M at $56.38Mar 17, 2025
• Ambarella Inc. AMBA32,667 shares⁹$2.0M at $62.65Sep 8, 2026

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

Recent filings

• Sep 8, 2026Granted 3,151 shares of Ambarella Inc.⁹
• Sep 2, 2025Granted 2,498 shares of Ambarella Inc.¹⁰
• Mar 17, 2025Sold 163,308 shares at $30.00 of ACM Research, Inc.⁸
• Aug 29, 2024Granted 3,374 shares of Ambarella Inc.¹¹
• Aug 31, 2023Granted 3,218 shares of Ambarella Inc.¹²
• Jun 15, 2023Granted 1,559 shares of Ambarella Inc.¹³
• Mar 15, 2023Exercised options 779 shares of Ambarella Inc.¹⁴
• Dec 16, 2022Exercised options 779 shares of Ambarella Inc.¹⁵
• Sep 16, 2022Exercised options 377 shares of Ambarella Inc.¹⁶
• Jun 16, 2022Exercised options 377 shares of Ambarella Inc.¹⁷
• Mar 16, 2022Exercised options 377 shares of Ambarella Inc.¹⁸
• Feb 25, 2022Exercised options 5,555 shares at $38.92 of Ambarella Inc.¹⁹
• Dec 16, 2021Exercised options 377 shares of Ambarella Inc.²⁰