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
- Sudhir Gopalswamy (President) sold $1.2M in the last 90 days.
- Last company insider buy: Gregory L Waters (Board member), $769K, 5 years ago.
- Congress: Gilbert Cisneros bought $15K to $50K, 5 weeks ago.
Last 12 months: insiders bought $0 (0 buys) and sold $21.3M (9 sales). Last close $71.67 on Oct 30, 2026.
Recent ON insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 2, 2026 | Paul Anthony Mascarenas (Director) | Bought (not open market) | $10.7K |
| Oct 1, 2026 | Sudhir Gopalswamy (President) | Sold | $1.2M |
| Sep 28, 2026 | Gilbert Cisneros (Representative) | Bought | $15K–50K |
| Jul 2, 2026 | Paul Anthony Mascarenas (Director) | Bought (not open market) | $10.6K |
| May 26, 2026 | Sudhir Gopalswamy (President) | Sold (not open market) | $59.7K |
| May 14, 2026 | Thomas Deitrich (Director) | Bought (not open market) | — |
| May 14, 2026 | Christine Y Yan (Director) | Bought (not open market) | — |
| May 14, 2026 | Paul Anthony Mascarenas (Director) | Bought (not open market) | — |
| May 14, 2026 | Bruce E Kiddoo (Director) | Bought (not open market) | — |
| May 14, 2026 | Gregory L Waters (Director) | Bought (not open market) | — |
| May 14, 2026 | Susan K Carter (Director) | Bought (not open market) | — |
| Apr 24, 2026 | Trent Thad (CFO) | Sold | $3M |
| Apr 23, 2026 | Trent Thad (CFO) | Sold | $2.8M |
| Apr 16, 2026 | Trent Thad (CFO) | Sold | $2.4M |
| Apr 3, 2026 | Paul Anthony Mascarenas (Director) | Bought (not open market) | $10.4K |
| Mar 13, 2026 | Sudhir Gopalswamy (President) | Sold | $359K |
| Feb 21, 2026 | Hassane El-Khoury (CEO) | Sold (not open market) | $2.5M |
| Feb 21, 2026 | Trent Thad (CFO) | Sold (not open market) | $718K |
| Feb 21, 2026 | Sudhir Gopalswamy (President) | Sold (not open market) | $662K |
| Feb 21, 2026 | Simon Keeton (President) | Sold (not open market) | $538K |
| Feb 20, 2026 | Trent Thad (CFO) | Sold (not open market) | $288K |
| Feb 20, 2026 | Simon Keeton (President) | Sold (not open market) | $216K |
| Feb 20, 2026 | Sudhir Gopalswamy (President) | Sold (not open market) | $101K |
| Feb 20, 2026 | Simon Keeton (President) | Bought (not open market) | — |
| Feb 20, 2026 | Trent Thad (CFO) | Bought (not open market) | — |
Who's trading ON
- Paul Anthony Mascarenas, Director: other filings, last Oct 2, 2026
- Sudhir Gopalswamy, President: sold $1.6M (2 sales), last Oct 1, 2026
- Gilbert Cisneros, Representative: bought $15K (1 buy), last Sep 28, 2026
- Susan K Carter, Director: other filings, last May 14, 2026
- Christine Y Yan, Director: other filings, last May 14, 2026
- Gregory L Waters, Director: other filings, last May 14, 2026
- Bruce E Kiddoo, Director: other filings, last May 14, 2026
- Thomas Deitrich, Director: other filings, last May 14, 2026
- Trent Thad, CFO: sold $13.6M (8 sales), last Apr 24, 2026
- Hassane El-Khoury, CEO: sold $1.5M (2 sales), last Feb 21, 2026
- Simon Keeton, President: sold $4.7M (3 sales), last Feb 21, 2026
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