Quick Takeaways
- ON - ON SEMICONDUCTOR CORP has 19 insiders with reported activity on this page.
- Net insider value flow over the last year: -$21,101,867.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 19 Insiders of ON SEMICONDUCTOR CORP
- Symbol
- ON on Nasdaq
- Location
- Scottsdale, AZ
What Changed
- Buy value: ; sell value: $21,101,867.
- Net share flow: -286,345.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$21,101,867.
Buys
$0
Shares: 0
Insiders: 0
Sells
$21,101,867
Shares: 286,345
Insiders: 5
Net
-$21,101,867
Shares: -286,345
Insiders: -5
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 144,974 | $0 | $12,054,407 | -$12,054,407 |
| 3-6 | 0 | 121,000 | $0 | $8,004,420 | -$8,004,420 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 20,371 | $0 | $1,043,040 | -$1,043,040 |
ON SEMICONDUCTOR CORP executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Hassane El-Khoury | CEO & President, Director | $72,850,440 | -$2,228,674 | -3% | Mixed | 20 Feb 2026 |
| Trent Thad | Exec VP & CFO | $27,119,400 | -$13,563,947 | -33% | Filing P/S | 23 Apr 2026 |
| George H. Cave | EVP, Gen Cnsl, CCO, & Sec | $15,241,944 | Mixed | 08 Sep 2021 | ||
| Simon Keeton | Group President, PSG | $14,798,040 | -$4,675,758 | -24% | Mixed | 20 Feb 2026 |
| Atsushi Abe | Director | $13,220,460 | Mixed | 15 May 2024 | ||
| Vince Craig Hopkin | Evp & Gm, Asg | $12,822,496 | Mixed | 10 May 2022 | ||
| Sudhir Gopalswamy | Group President, AMG & ISG | $10,205,235 | -$358,708 | -3.4% | Filing P/S | 13 Mar 2026 |
| Ross Jatou | Svp & Gm, Isg | $8,733,193 | Mixed | 20 Feb 2024 | ||
| Christine Y. Yan | Director | $4,967,279 | Mixed | 15 May 2025 | ||
| Robert Tong | Svp & Gm, Asg | $4,561,245 | Mixed | 02 Mar 2023 | ||
| Alan Campbell | Director | $4,332,689 | -$274,780 | -6% | Filing P/S | 12 Jun 2025 |
| Gilles Delfassy | Director | $4,221,785 | Mixed | 26 May 2022 | ||
| Gregory L. Waters | Director | $4,160,435 | Mixed | 15 May 2025 | ||
| Paul Anthony Mascarenas | Director | $3,435,500 | Median | 03 Apr 2026 | ||
| Thomas Deitrich | Director | $2,385,477 | Mixed | 15 May 2025 | ||
| Bernard Raymond Colpitts Jr. | Chief Accounting Officer | $2,354,453 | Mixed | 11 Sep 2023 | ||
| Susan K. Carter | Director | $2,337,041 | Mixed | 15 May 2025 | ||
| Bruce E. Kiddoo | Director | $1,023,634 | Mixed | 12 Feb 2026 | ||
| Christina Lampe-Onnerud | Director | $350,082 | Mixed | 16 May 2024 |
Top shareholders of ON SEMICONDUCTOR CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| FMR LLC |
13F
13D/G
|
Company |
15%
from 13D/G
|
58,158,341
|
$3,601,164,421 | — | 31 Mar 2026 | |
| BlackRock, Inc. |
13F
|
Company |
10%
|
39,911,681
|
$2,471,331,310 | — | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
|
Vanguard Capital Management · Company |
7.5%
|
29,575,202
|
$1,831,296,508 | $0 | 31 Mar 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
|
Vanguard Portfolio Management · Company |
5.1%
|
20,112,107
|
$1,245,341,665 | $0 | 31 Mar 2026 | |
| STATE STREET CORP |
13D/G
13F
|
STATE STREET CORPORATION · Company |
4.6%
|
19,393,304
|
$1,158,362,048 | -$115,269,164 | 30 Jun 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
4.1%
|
16,107,943
|
$896,568,240 | — | 31 Mar 2026 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
3.5%
|
13,700,884
|
$848,392,500 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.7%
|
10,763,837
|
$665,504,427 | — | 31 Mar 2026 | |
| Slate Path Capital LP |
13F
|
Company |
2%
|
7,798,800
|
$482,901,696 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.7%
|
6,637,445
|
$410,990,608 | — | 31 Mar 2026 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
1.6%
|
6,453,590
|
$399,607,198 | — | 31 Mar 2026 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
1.5%
|
6,099,934
|
$379,415,895 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
1.5%
|
6,107,253
|
$378,161,209 | — | 31 Mar 2026 | |
| Invesco Ltd. |
13F
|
Company |
1.5%
|
6,036,311
|
$373,768,362 | — | 31 Mar 2026 | |
| CITIGROUP INC |
13F
|
Company |
1.2%
|
4,660,942
|
$288,605,528 | — | 31 Mar 2026 | |
| Pictet Asset Management Holding SA |
13F
|
Company |
1.2%
|
4,597,886
|
$284,494,521 | — | 31 Mar 2026 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.1%
|
4,453,815
|
$275,780,225 | — | 31 Mar 2026 | |
| VAN ECK ASSOCIATES CORP |
13F
|
Company |
1.1%
|
4,411,803
|
$273,179,000 | — | 31 Mar 2026 | |
| BAILLIE GIFFORD & CO |
13F
|
Company |
1.1%
|
4,287,304
|
$265,469,864 | — | 31 Mar 2026 | |
| BARCLAYS PLC |
13F
|
Company |
1%
|
3,924,758
|
$243,021,017 | — | 31 Mar 2026 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.89%
|
3,503,234
|
$216,920,249 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.88%
|
3,482,978
|
$215,665,997 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.88%
|
3,451,844
|
$213,738,181 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.87%
|
3,442,177
|
$212,997,015 | — | 31 Mar 2026 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.76%
|
3,004,795
|
$186,056,906 | — | 31 Mar 2026 | |
| Rafferty Asset Management, LLC |
13F
|
Company |
0.72%
|
2,826,300
|
$175,004,496 | — | 31 Mar 2026 | |
| Legal & General Group Plc |
13F
|
Company |
0.72%
|
2,826,154
|
$174,995,458 | — | 31 Mar 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.7%
|
2,763,155
|
$171,094,558 | — | 31 Mar 2026 | |
| M&G Plc |
13F
|
Company |
0.63%
|
2,467,162
|
$152,964,044 | — | 31 Mar 2026 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.61%
|
2,419,386
|
$149,808,372 | — | 31 Mar 2026 | |
| EARNEST PARTNERS LLC |
13F
|
Company |
0.6%
|
2,362,156
|
$146,264,700 | — | 31 Mar 2026 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.57%
|
2,248,960
|
$139,255,603 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.56%
|
2,218,685
|
$137,380,975 | — | 31 Mar 2026 | |
| Robeco Schweiz AG |
13F
|
Company |
0.5%
|
1,962,299
|
$121,505,554 | — | 31 Mar 2026 | |
| Sachem Head Capital Management LP |
13F
|
Company |
0.49%
|
1,945,000
|
$120,434,400 | — | 31 Mar 2026 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.55%
|
2,165,193
|
$117,245,201 | — | 31 Mar 2026 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.47%
|
1,871,910
|
$115,908,689 | — | 31 Mar 2026 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.47%
|
1,864,944
|
$115,477,229 | — | 31 Mar 2026 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.45%
|
1,782,550
|
$110,375,496 | — | 31 Mar 2026 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.44%
|
1,753,874
|
$108,599,877 | — | 31 Mar 2026 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.43%
|
1,712,519
|
$106,039,177 | — | 31 Mar 2026 | |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND |
13F
|
Company |
0.41%
|
1,614,757
|
$99,985,753 | — | 31 Mar 2026 | |
| Assenagon Asset Management S.A. |
13F
|
Company |
0.41%
|
1,606,274
|
$99,460,486 | — | 31 Mar 2026 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.37%
|
1,443,356
|
$89,348,349 | — | 31 Mar 2026 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
0.36%
|
1,438,137
|
$89,049,443 | — | 31 Mar 2026 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.36%
|
1,430,367
|
$88,568,000 | — | 31 Mar 2026 | |
| DISCOVERY CAPITAL MANAGEMENT, LLC / CT |
13F
|
Company |
0.36%
|
1,409,300
|
$87,263,856 | — | 31 Mar 2026 | |
| S.c.a. Candriam |
13F
|
Individual |
0.35%
|
1,394,653
|
$86,356,914 | — | 31 Mar 2026 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.35%
|
1,374,076
|
$85,082,787 | — | 31 Mar 2026 | |
| Junto Capital Management LP |
13F
|
Company |
0.31%
|
1,219,248
|
$75,495,836 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for ON SEMICONDUCTOR CORP
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Trent Thad | ON | Common | Sale | -9.96% | $3,000,000 | $100.00 | -30,000 | 271,194 | 24 Apr 2026 | Direct |
| Trent Thad | ON | Common | Sale | -9.06% | $2,790,000 | $93.00 | -30,000 | 301,194 | 23 Apr 2026 | Direct |
| Trent Thad | ON | Common | Sale | -8.31% | $2,400,000 | $80.00 | -30,000 | 331,194 | 16 Apr 2026 | Direct |
| Paul Anthony Mascarenas | ON | Common | Award | 0.3% | 168 | 55,488 | 03 Apr 2026 | Direct | ||
| Sudhir Gopalswamy | ON | Common | Sale | -3.4% | $358,708 | $58.67 | -6,114 | 173,943 | 13 Mar 2026 | Direct |
| Hassane El-Khoury | ON | Common | Tax liability | -3.37% | -36,802 | 1,054,123 | 21 Feb 2026 | Direct | ||
| Sudhir Gopalswamy | ON | Common | Tax liability | -5.05% | -9,583 | 180,057 | 21 Feb 2026 | Direct | ||
| Trent Thad | ON | Common | Tax liability | -2.8% | -10,383 | 361,079 | 21 Feb 2026 | Direct | ||
| Simon Keeton | ON | Common | Tax liability | -3.51% | -7,788 | 214,123 | 21 Feb 2026 | Direct | ||
| Hassane El-Khoury | ON | Common | Award | 7.42% | 75,315 | 1,090,925 | 20 Feb 2026 | Direct | ||
| Sudhir Gopalswamy | ON | Common | Tax liability | -0.76% | -1,455 | 189,640 | 20 Feb 2026 | Direct | ||
| Sudhir Gopalswamy | ON | Common | Award | 20% | 31,834 | 191,095 | 20 Feb 2026 | Direct | ||
| Trent Thad | ON | Common | Tax liability | -1.11% | -4,173 | 371,462 | 20 Feb 2026 | Direct | ||
| Trent Thad | ON | Common | Award | 10.7% | 36,175 | 375,635 | 20 Feb 2026 | Direct | ||
| Simon Keeton | ON | Common | Tax liability | -1.39% | -3,130 | 221,911 | 20 Feb 2026 | Direct | ||
| Simon Keeton | ON | Common | Award | 13.1% | 26,046 | 225,041 | 20 Feb 2026 | Direct | ||
| Simon Keeton | ON | Common | Sale | -19.7% | $3,505,699 | $71.75 | -48,860 | 198,995 | 17 Feb 2026 | Direct |
| Bruce E. Kiddoo | ON | Common | Gift | -17.2% | -3,570 | 17,230 | 12 Feb 2026 | Direct | ||
| Hassane El-Khoury | ON | Common | Sale | -1.93% | $1,460,414 | $73.02 | -20,000 | 1,015,610 | 12 Feb 2026 | Direct |
| Trent Thad | ON | Common | Sale | -15% | $4,272,975 | $71.22 | -60,000 | 339,460 | 12 Feb 2026 | Direct |
| Simon Keeton | ON | Common | Tax liability | -1.99% | -5,032 | 247,855 | 10 Feb 2026 | Direct | ||
| Hassane El-Khoury | ON | Common | Tax liability | -1.97% | -20,762 | 1,035,610 | 10 Feb 2026 | Direct | ||
| Trent Thad | ON | Common | Tax liability | -1.65% | -6,709 | 399,460 | 10 Feb 2026 | Direct | ||
| Sudhir Gopalswamy | ON | Common | Tax liability | -3.74% | -6,191 | 159,261 | 10 Feb 2026 | Direct | ||
| Sudhir Gopalswamy | ON | Common | Tax liability | -3.52% | -6,041 | 165,452 | 06 Feb 2026 | Direct | ||
| Simon Keeton | ON | Common | Tax liability | -3.52% | -9,232 | 252,887 | 06 Feb 2026 | Direct | ||
| Trent Thad | ON | Common | Tax liability | -2.93% | -12,270 | 406,169 | 06 Feb 2026 | Direct | ||
| Hassane El-Khoury | ON | Common | Tax liability | -3.16% | -34,460 | 1,056,372 | 06 Feb 2026 | Direct | ||
| Sudhir Gopalswamy | ON | Common | Award | 19.1% | 27,508 | 171,493 | 05 Feb 2026 | Direct | ||
| Simon Keeton | ON | Common | Award | 12.5% | 29,147 | 262,119 | 05 Feb 2026 | Direct | ||
| Trent Thad | ON | Common | Award | 10.2% | 38,862 | 418,439 | 05 Feb 2026 | Direct | ||
| Hassane El-Khoury | ON | Common | Award | 11.5% | 112,772 | 1,090,832 | 05 Feb 2026 | Direct | ||
| Paul Anthony Mascarenas | ON | Common | Award | 0.34% | 189 | 55,320 | 19 Dec 2025 | Direct | ||
| Simon Keeton | ON | Common | Sale | -8.27% | $1,170,059 | $55.72 | -21,000 | 232,843 | 04 Dec 2025 | Direct |
| Trent Thad | ON | Common | Sale | -5.01% | $1,100,972 | $55.05 | -20,000 | 379,448 | 03 Dec 2025 | Direct |
| Paul Anthony Mascarenas | ON | Common | Award | 0.39% | 212 | 55,131 | 03 Oct 2025 | Direct | ||
| Hassane El-Khoury | ON | Common | Sale | -1.51% | $768,260 | $51.22 | -15,000 | 977,814 | 13 Aug 2025 | Direct |
| Paul Anthony Mascarenas | ON | Common | Award | 0.34% | 185 | 54,919 | 03 Jul 2025 | Direct | ||
| Alan Campbell | ON | Common | Sale | -5.96% | $274,780 | $51.16 | -5,371 | 84,689 | 12 Jun 2025 | Direct |
| Sudhir Gopalswamy | ON | Common | Tax liability | -0.33% | -470 | 143,583 | 26 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.