Mike F Chang has bought AOSL on 6 days since Nov 2018
Director and 10% owner at Alpha and Omega Semiconductor Limited
SEC CIK 0001511393 · Filings on SEC.gov ↗
Mike F Chang's record
3 months after each buy, from the first price a copier could get.
1 buy has 3 months of prices so far. A record shows here at 3.
Every filing
20 filings since Oct 2016, newest first
Alpha & Omega Semiconductor Ltd
Director and 10% owner
Alpha & Omega Semiconductor Ltd
Executive Chair and 10% owner
Alpha & Omega Semiconductor Ltd
Executive Chair and 10% owner
Alpha & Omega Semiconductor Ltd
Executive Chair and 10% owner
Alpha & Omega Semiconductor Ltd
Executive Chair and 10% owner
Alpha & Omega Semiconductor Ltd
Executive Chair and 10% owner
Alpha & Omega Semiconductor Ltd
Executive Chair and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
Alpha & Omega Semiconductor Ltd
CEO and 10% owner
About Mike F Chang
Mike F. Chang, Ph.D., is the founder and Chairman of the Board of Alpha & Omega Semiconductor Ltd (AOSL), a power semiconductor design and manufacturing company established in 2000( He holds the position of Executive Vice President of Strategic Initiatives and maintains approximately 10% ownership of the company, with holdings of over 4.5 million shares valued at approximately $105 million as of mid-2025( Dr. Chang previously served as Chief Executive Officer until March 2023, when he transitioned to his current board leadership role(
With a doctorate degree from the University of Missouri and an undergraduate degree from National Cheng Kung University( Dr. Chang brings extensive semiconductor industry experience to his leadership. Prior to founding Alpha & Omega Semiconductor, he held positions as Executive Vice President at Siliconix, Inc. (1998–2000) and as a Principal at GE Aerospace (1987)( Under his strategic vision, Alpha & Omega Semiconductor has developed proprietary technology integration capabilities and established vertical integration through manufacturing facilities including an 8-inch wafer fab in Oregon and a joint venture for a 12-inch wafer fab in China, positioning the company as a leader in advanced power semiconductor technologies for applications including AI data centers and electric vehicles(
Written by Perplexity from public sources.
Filings come from SEC EDGAR. Not investment advice.