Mike F. Chang

Companies

• Alpha & Omega SemiconductorChair Mar 17, 2023 to now¹
• Alpha & Omega SemiconductorBoard member Jul 1, 2011 to now²
• Alpha & Omega SemiconductorChief executive officer Jul 1, 2011 to Jan 10, 2023²

Holdings

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

Shares held

• AOAlpha & Omega Semiconductor AOSL4,259,379 shares³$95.0M at $22.30Sep 11, 2026

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

Recent filings

• Aug 24, 2026Gift 100,947 shares of Alpha & Omega Semiconductor³
• Aug 13, 2026Gift 3,000,000 shares of Alpha & Omega Semiconductor⁴
• Jul 13, 2026Gift 23,754 shares of Alpha & Omega Semiconductor⁵
• Jun 1, 2026Gift 30,000 shares of Alpha & Omega Semiconductor⁶
• May 26, 2026Gift 39,780 shares of Alpha & Omega Semiconductor⁷
• May 22, 2026Gift 736,252 shares of Alpha & Omega Semiconductor⁸
• Mar 16, 2026Granted 22,500 shares of Alpha & Omega Semiconductor⁹
• Mar 16, 2026Shares withheld for tax 9,829 shares at $21.43 of Alpha & Omega Semiconductor⁹
• Mar 16, 2026Granted 22,500 shares of Alpha & Omega Semiconductor¹⁰
• Mar 16, 2026Shares withheld for tax 17,984 shares at $21.43 of Alpha & Omega Semiconductor⁹
• Mar 16, 2026Shares withheld for tax 14,419 shares at $21.43 of Alpha & Omega Semiconductor¹⁰
• Mar 16, 2026Granted 22,500 shares of Alpha & Omega Semiconductor⁹
• Mar 9, 2026Bought 33,727 shares at $19.00 of Alpha & Omega Semiconductor¹¹
• Jan 2, 2026Shares withheld for tax 16,700 shares at $20.66 of Alpha & Omega Semiconductor¹²
• Oct 20, 2025Gift 40,000 shares of Alpha & Omega Semiconductor¹³
• Mar 17, 2025Granted 37,500 shares of Alpha & Omega Semiconductor¹⁴
• Mar 17, 2025Shares withheld for tax 20,527 shares at $27.61 of Alpha & Omega Semiconductor¹⁴
• Mar 17, 2025Shares withheld for tax 27,296 shares at $27.61 of Alpha & Omega Semiconductor¹⁴
• Mar 17, 2025Granted 22,500 shares of Alpha & Omega Semiconductor¹⁴
• Jan 2, 2025Shares withheld for tax 22,446 shares at $36.54 of Alpha & Omega Semiconductor¹⁵
• Dec 3, 2024Gift 30,000 shares of Alpha & Omega Semiconductor¹⁶
• Aug 28, 2024Gift 10,000 shares of Alpha & Omega Semiconductor¹⁷
• May 10, 2024Gift 30,000 shares of Alpha & Omega Semiconductor¹⁸
• Mar 15, 2024Shares withheld for tax 24,167 shares at $21.55 of Alpha & Omega Semiconductor¹⁹
• Mar 15, 2024Shares withheld for tax 30,803 shares at $21.55 of Alpha & Omega Semiconductor¹⁹