ON Semiconductor Corp (ON) insider trading

Every open-market stock purchase and sale by ON Semiconductor Corp executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.

Insider activity at a glance

  • Insiders sold $20.1M over the last 12 months (8 sales). No open-market buys.
  • Last insider buy: Gregory L Waters (Director), $769K, 5 years ago.

Last 12 months: insiders bought $0 (0 buys) and sold $20.1M (8 sales). Last close $117.26 on Jun 4, 2026.

Recent ON insider trades

DateInsiderTradeValue
May 26, 2026Sudhir Gopalswamy (President)Sold (not open market)$59.7K
May 14, 2026Bruce E Kiddoo (Director)Bought (not open market)—
May 14, 2026Susan K Carter (Director)Bought (not open market)—
May 14, 2026Thomas Deitrich (Director)Bought (not open market)—
May 14, 2026Paul Anthony Mascarenas (Director)Bought (not open market)—
May 14, 2026Gregory L Waters (Director)Bought (not open market)—
May 14, 2026Christine Y Yan (Director)Bought (not open market)—
Apr 24, 2026Trent Thad (CFO)Sold$3M
Apr 23, 2026Trent Thad (CFO)Sold$2.8M
Apr 16, 2026Trent Thad (CFO)Sold$2.4M
Apr 3, 2026Paul Anthony Mascarenas (Director)Bought (not open market)$10.4K
Mar 13, 2026Sudhir Gopalswamy (President)Sold$359K
Feb 21, 2026Hassane El-Khoury (CEO)Sold (not open market)$2.5M
Feb 21, 2026Trent Thad (CFO)Sold (not open market)$718K
Feb 21, 2026Sudhir Gopalswamy (President)Sold (not open market)$662K
Feb 21, 2026Simon Keeton (President)Sold (not open market)$538K
Feb 20, 2026Trent Thad (CFO)Sold (not open market)$288K
Feb 20, 2026Simon Keeton (President)Sold (not open market)$216K
Feb 20, 2026Sudhir Gopalswamy (President)Sold (not open market)$101K
Feb 20, 2026Trent Thad (CFO)Bought (not open market)—
Feb 20, 2026Simon Keeton (President)Bought (not open market)—
Feb 20, 2026Hassane El-Khoury (CEO)Bought (not open market)—
Feb 20, 2026Sudhir Gopalswamy (President)Bought (not open market)—
Feb 17, 2026Simon Keeton (President)Sold$3.2M
Feb 17, 2026Simon Keeton (President)Sold$329K

Who's trading ON

Get free alerts when an insider at ON Semiconductor Corp files a new trade →