SEC Form 4 · Updated Daily
ON
— ON SEMICONDUCTOR CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| JACKSON KEITH D | Director | 2,168,458 | 2020-10-15 | S |
| TPG ADVISORS II INC | 10%+ Owner | 1,238,000 | 2007-05-07 | S |
| El-Khoury Hassane | Director · Officer | 1,090,925 | 2026-02-20 | A |
| COLVIN DONALD A | Director | 796,527 | 2012-08-10 | S |
| NELSON WILLIAM JOHN | Officer | 748,327 | 2012-05-03 | A |
| GUTMANN BERNARD | Officer | 555,242 | 2020-11-10 | S |
| Schromm William A. | Officer | 489,025 | 2020-11-13 | S |
| Hall William | Officer | 400,015 | 2018-11-15 | S |
| KLOSTERBOER ROBERT A. | Officer | 363,030 | 2018-03-14 | S |
| VOICU GELU | Officer | 349,890 | 2009-01-02 | F |
| Thad Trent | Officer | 301,194 | 2026-04-23 | S |
| RESSEL TERESA | Director | 260,205 | 2019-06-03 | A |
| RASHID MAMOON | Officer | 252,411 | 2017-01-10 | M |
| CRAWFORD CURTIS J | Director | 239,380 | 2019-06-03 | A |
| KEETON SIMON | Officer | 225,041 | 2026-02-20 | A |
| BOYCE RICHARD W | Director | 219,575 | 2007-03-05 | A |
| CAVE GEORGE H | Officer | 200,975 | 2021-09-08 | S |
| OZCELIK TANER | Officer | 187,753 | 2020-03-06 | F |
| MCCRANIE J DANIEL | Director | 181,679 | 2017-02-17 | S |
| Rolls Paul E | Officer | 179,446 | 2021-04-09 | S |
| ABE ATSUSHI | Director | 176,886 | 2024-05-16 | A |
| HOPKIN VINCE CRAIG | Officer | 169,073 | 2022-05-10 | S |
| GOPALSWAMY SUDHIR | Officer | 158,177 | 2026-10-01 | S |
| KING CHRISTINE | Director | 129,449 | 2008-08-08 | M |
| Jatou Ross | Officer | 112,730 | 2024-02-20 | F |
| HERNANDEZ EMMANUEL T | Director | 103,461 | 2021-03-08 | S |
| Williams Michael Andrew | Officer | 102,704.91 | 2011-08-05 | A |
| SMITH ROBERT HENRY | Director | 97,805 | 2011-06-06 | A |
| Mahoney Robert Charles | Officer | 93,940 | 2013-05-07 | S |
| Campbell Alan | Director | 84,689 | 2025-06-12 | S |
| George William | Director | 81,930 | 2008-03-05 | F |
| HAN BERNARD L | Director | 71,483 | 2014-06-02 | A |
| Hester Phillip D | Director | 63,024 | 2013-06-03 | A |
| Tong Robert | Officer | 60,143 | 2023-03-02 | F |
| MASCARENAS PAUL ANTHONY | Director | 57,716 | 2026-10-02 | A |
| BARTON FRANCIS P | Officer | 57,463 | 2011-03-07 | A |
| DELFASSY GILLES | Director | 55,667 | 2022-05-26 | A |
| BRADFORD WILLIAM R | Officer | 51,500 | 2006-01-19 | M |
| Yan Christine Y | Director | 48,655 | 2026-05-14 | A |
| OSTRANDER DARYL | Director | 47,225 | 2020-03-17 | S |
| COLPITTS BERNARD RAYMOND JR | Officer | 32,050 | 2023-09-11 | S |
| GREGOIRE JEROME N | Director | 31,000 | 2007-03-05 | A |
| Deitrich Thomas | Director | 26,060 | 2026-05-14 | A |
| CARTER SUSAN K | Director | 25,638 | 2026-05-14 | A |
| WATERS GREGORY L | Officer | 24,524 | 2026-05-14 | A |
| BURNS KEVIN R | Director | 21,000 | 2007-03-05 | A |
| CHANG JUSTIN T | Director | 21,000 | 2007-03-05 | A |
| MARREN JOHN W | Director | 21,000 | 2007-03-05 | A |
| KIDDOO BRUCE E | Director | 19,216 | 2026-05-14 | A |
| GREEN PETER | Officer | 17,500 | 2006-06-05 | A |
| SHAH ACHYUT | Officer | 15,207 | 2026-05-15 | — |
| KETTLEWELL THOMAS BENTON | Officer | 11,400 | 2007-03-05 | A |
| Lampe-Onnerud Christina | Director | 4,684 | 2024-05-16 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-10-02 | MASCARENAS PAUL ANTHONY | Grant / award | 126 | $84.89 | 57,716 |
| 2026-10-01 | GOPALSWAMY SUDHIR | Open-market sale | 15,578 | $80.00 | 158,177 |
| 2026-07-02 | MASCARENAS PAUL ANTHONY | Grant / award | 116 | $91.22 | 57,590 |
| 2026-05-26 | GOPALSWAMY SUDHIR | Tax withholding | 470 | $127.00 | 173,588 |
| 2026-05-15 | SHAH ACHYUT | — | — | — | 15,207 |
| 2026-05-14 | MASCARENAS PAUL ANTHONY | Grant / award | 1,986 | $0.00 | 57,474 |
| 2026-05-14 | KIDDOO BRUCE E | Grant / award | 1,986 | $0.00 | 19,216 |
| 2026-05-14 | Yan Christine Y | Grant / award | 1,986 | $0.00 | 48,655 |
| 2026-05-14 | CARTER SUSAN K | Grant / award | 1,986 | $0.00 | 25,638 |
| 2026-05-14 | WATERS GREGORY L | Grant / award | 1,986 | $0.00 | 24,524 |
| 2026-05-14 | Deitrich Thomas | Grant / award | 1,986 | $0.00 | 26,060 |
| 2026-04-24 | Thad Trent | Open-market sale | 30,000 | $100.00 | 271,194 |
| 2026-04-23 | Thad Trent | Open-market sale | 30,000 | $93.00 | 301,194 |
| 2026-04-16 | Thad Trent | Open-market sale | 30,000 | $80.00 | 331,194 |
| 2026-04-03 | MASCARENAS PAUL ANTHONY | Grant / award | 168 | $62.19 | 55,488 |
| 2026-03-13 | GOPALSWAMY SUDHIR | Open-market sale | 6,114 | $58.67 | 173,943 |
| 2026-02-21 | KEETON SIMON | Tax withholding | 7,788 | $69.11 | 214,123 |
| 2026-02-21 | Thad Trent | Tax withholding | 10,383 | $69.11 | 361,079 |
| 2026-02-21 | GOPALSWAMY SUDHIR | Tax withholding | 9,583 | $69.11 | 180,057 |
| 2026-02-21 | El-Khoury Hassane | Tax withholding | 36,802 | $69.11 | 1,054,123 |
| 2026-02-20 | KEETON SIMON | Tax withholding | 3,130 | $69.11 | 221,911 |
| 2026-02-20 | KEETON SIMON | Grant / award | 26,046 | $0.00 | 225,041 |
| 2026-02-20 | Thad Trent | Tax withholding | 4,173 | $69.11 | 371,462 |
| 2026-02-20 | Thad Trent | Grant / award | 36,175 | $0.00 | 375,635 |
| 2026-02-20 | GOPALSWAMY SUDHIR | Tax withholding | 1,455 | $69.11 | 189,640 |
| 2026-02-20 | GOPALSWAMY SUDHIR | Grant / award | 31,834 | $0.00 | 191,095 |
| 2026-02-20 | El-Khoury Hassane | Grant / award | 75,315 | $0.00 | 1,090,925 |
| 2026-02-17 | KEETON SIMON | Open-market sale | 44,263 | $71.77 | 198,995 |
| 2026-02-17 | KEETON SIMON | Open-market sale | 4,597 | $71.56 | 243,258 |
| 2026-02-12 | Thad Trent | Open-market sale | 49,500 | $70.87 | 339,460 |
| 2026-02-12 | Thad Trent | Open-market sale | 7,000 | $72.88 | 388,960 |
| 2026-02-12 | Thad Trent | Open-market sale | 2,200 | $73.39 | 395,960 |
| 2026-02-12 | Thad Trent | Open-market sale | 1,300 | $71.70 | 398,160 |
| 2026-02-12 | El-Khoury Hassane | Open-market sale | 19,900 | $73.02 | 1,015,610 |
| 2026-02-12 | El-Khoury Hassane | Open-market sale | 100 | $73.56 | 1,035,510 |
| 2026-02-12 | KIDDOO BRUCE E | Gift | 3,570 | $0.00 | 17,230 |
| 2026-02-10 | GOPALSWAMY SUDHIR | Tax withholding | 6,191 | $67.38 | 159,261 |
| 2026-02-10 | Thad Trent | Tax withholding | 6,709 | $67.38 | 399,460 |
| 2026-02-10 | El-Khoury Hassane | Tax withholding | 20,762 | $67.38 | 1,035,610 |
| 2026-02-10 | KEETON SIMON | Tax withholding | 5,032 | $67.38 | 247,855 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.