🕵️ On Semiconductor Corp ($ON)
SEC insider & ownership activity, last 12 months · CIK 1097864 · every row links its SEC filing
Over the last 12 months insiders sold $20.8M with no open-market buying against it. Thad Trent sold $13.6M through a 10b5-1 trading plan in 8 lots (Dec–Apr). 4 planned sales are pending, the largest $3.3M (Simon Keeton). One red-flag 8-K in the window: Impairment (2.06), Nov 13, 2025.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 4 sellers, $20.8M (15 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Thad Trent | 0 | – | 8 | $13.6M | Apr 24, 2026 |
| Keeton Simon | 0 | – | 3 | $4.7M | Feb 17, 2026 |
| El-Khoury Living Trust | 0 | – | 3 | $2.2M | Feb 12, 2026 |
| Gopalswamy Sudhir | 0 | – | 1 | $359K | Mar 13, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| FMR LLC | 15.0% | 13G | Nov 5, 2025 | filing ↗ | |
| Abigail P. Johnson | 15.0% | 13G | Nov 5, 2025 | filing ↗ | |
| Vanguard Capital Management | 7.5% | 13G | Apr 30, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 5.1% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Alan Campbell | $1.8M | Jun 10, 2026 | filing ↗ |
| Keeton Simon | $2.6M | Jun 3, 2026 | filing ↗ |
| Alan Campbell | $2.5M | May 15, 2026 | filing ↗ |
| Simon Keeton | $3.3M | May 11, 2026 | filing ↗ |
| Thad Trent | $2.9M | Apr 24, 2026 | filing ↗ |
| Thad Trent | $2.7M | Apr 23, 2026 | filing ↗ |
| Thad Trent | $2.2M | Apr 16, 2026 | filing ↗ |
| Gopalswamy Sudhir | $359K | Mar 13, 2026 | filing ↗ |
| Simon Keeton | $3.5M | Feb 17, 2026 | filing ↗ |
| Thad Trent | $4.3M | Feb 12, 2026 | filing ↗ |
| El-Khoury Living Trust | $1.5M | Feb 12, 2026 | filing ↗ |
| Simon Keeton | $1.2M | Dec 4, 2025 | filing ↗ |
| Thad Trent | $1.1M | Dec 3, 2025 | filing ↗ |
| El-Khoury Living Trust | $768K | Aug 13, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | Jun 25, 2026 | filing ↗ |
| Other events (8.01) | Jun 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 25, 2026 | filing ↗ |
| Officer/director changes (5.02) | May 14, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 14, 2026 | filing ↗ |
| Material agreement (1.01) | May 6, 2026 | filing ↗ |
| New financial obligation (2.03) | May 6, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | May 6, 2026 | filing ↗ |
| Other events (8.01) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Other events (8.01) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Other events (8.01) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Earnings (2.02) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Officer/director changes (5.02) | Mar 9, 2026 | filing ↗ |
| Earnings (2.02) | Feb 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 9, 2026 | filing ↗ |
| Impairment (2.06) | Nov 13, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 4, 2025 | filing ↗ |
| Earnings (2.02) | Nov 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 3, 2025 | filing ↗ |
| Material agreement (1.01) | Sep 23, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 23, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 23, 2025 | filing ↗ |
| Earnings (2.02) | Aug 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 4, 2025 | filing ↗ |