Quick Takeaways
- ON - ON SEMICONDUCTOR CORP has 19 insiders with reported activity on this page.
- Net insider value flow over the last year: -$12,911,867.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 19 Insiders of ON SEMICONDUCTOR CORP
- Symbol
- ON on Nasdaq
- Location
- Scottsdale, AZ
What Changed
- Buy value: ; sell value: $12,911,867.
- Net share flow: -196,345.
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: -$12,911,867.
Buys
$0
Shares: 0
Insiders: 0
Sells
$12,911,867
Shares: 196,345
Insiders: 5
Net
-$12,911,867
Shares: -196,345
Insiders: -5
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 134,974 | $0 | $9,597,797 | -$9,597,797 |
| 3-6 | 0 | 41,000 | $0 | $2,271,031 | -$2,271,031 |
| 6-9 | 0 | 15,000 | $0 | $768,260 | -$768,260 |
| 9-12 | 0 | 5,371 | $0 | $274,780 | -$274,780 |
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 | $24,954,169 | -$5,373,947 | -18% | Mixed | 20 Feb 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
|
59,372,112
|
$3,214,999,851 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
13%
|
51,066,453
|
$2,765,248,430 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
10%
|
40,402,710
|
$2,187,806,749 | — | 31 Dec 2025 | |
| 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 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
3.1%
|
12,354,990
|
$669,023,602 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.7%
|
11,008,373
|
$594,785,126 | — | 31 Dec 2025 | |
| Slate Path Capital LP |
13F
|
Company |
2.6%
|
10,480,200
|
$567,502,830 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
1.9%
|
7,749,908
|
$419,657,593 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.7%
|
6,774,325
|
$366,829,702 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.7%
|
6,704,559
|
$363,052,004 | — | 31 Dec 2025 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
1.6%
|
6,363,805
|
$360,827,743 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.6%
|
6,338,441
|
$343,226,581 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
1.5%
|
6,160,017
|
$333,564,907 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
1.5%
|
6,134,195
|
$332,166,796 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
1.5%
|
6,110,525
|
$330,884,929 | — | 31 Dec 2025 | |
| BAILLIE GIFFORD & CO |
13F
|
Company |
1.2%
|
4,725,516
|
$255,886,691 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
1.2%
|
4,660,373
|
$252,359,197 | — | 31 Dec 2025 | |
| CITIGROUP INC |
13F
|
Company |
1.1%
|
4,620,138
|
$250,180,472 | — | 31 Dec 2025 | |
| VAN ECK ASSOCIATES CORP |
13F
|
Company |
1%
|
4,100,943
|
$222,066,000 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.99%
|
3,993,366
|
$216,240,769 | — | 31 Dec 2025 | |
| Pictet Asset Management Holding SA |
13F
|
Company |
0.99%
|
3,981,981
|
$215,624,271 | — | 31 Dec 2025 | |
| Rafferty Asset Management, LLC |
13F
|
Company |
0.9%
|
3,634,466
|
$196,806,334 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.88%
|
3,535,377
|
$191,440,664 | — | 31 Dec 2025 | |
| Amundi |
13F
|
Individual |
0.83%
|
3,356,157
|
$181,737,612 | — | 31 Dec 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.83%
|
3,345,454
|
$181,156,334 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.83%
|
3,328,911
|
$180,260,532 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.82%
|
3,296,301
|
$178,494,699 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.8%
|
3,234,590
|
$175,154,957 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.78%
|
3,126,577
|
$169,304,146 | — | 31 Dec 2025 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.75%
|
3,030,777
|
$164,116,575 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.69%
|
2,758,998
|
$149,399,746 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.68%
|
2,737,641
|
$148,243,260 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.65%
|
2,601,199
|
$140,854,926 | — | 31 Dec 2025 | |
| M&G Plc |
13F
|
Company |
0.64%
|
2,564,222
|
$138,467,988 | — | 31 Dec 2025 | |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND |
13F
|
Company |
0.62%
|
2,509,906
|
$135,911,410 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.61%
|
2,465,254
|
$133,493,505 | — | 31 Dec 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
0.61%
|
2,439,449
|
$132,096,163 | — | 31 Dec 2025 | |
| EARNEST PARTNERS LLC |
13F
|
Company |
0.59%
|
2,392,529
|
$129,555,445 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.58%
|
2,349,378
|
$127,218,819 | — | 31 Dec 2025 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.55%
|
2,210,700
|
$119,709,392 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.48%
|
1,921,233
|
$104,034,767 | — | 31 Dec 2025 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.46%
|
1,858,652
|
$100,645,403 | — | 31 Dec 2025 | |
| Brandywine Global Investment Management, LLC |
13F
|
Company |
0.46%
|
1,847,377
|
$100,035,465 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.45%
|
1,822,805
|
$98,704,913 | — | 31 Dec 2025 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.44%
|
1,788,428
|
$96,843,376 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.43%
|
1,716,122
|
$92,928,006 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.39%
|
1,555,711
|
$84,241,751 | — | 31 Dec 2025 | |
| Assenagon Asset Management S.A. |
13F
|
Company |
0.38%
|
1,533,760
|
$83,053,104 | — | 31 Dec 2025 | |
| S.c.a. Candriam |
13F
|
Individual |
0.38%
|
1,521,320
|
$82,382,985 | — | 31 Dec 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.37%
|
1,477,355
|
$79,999,227 | — | 31 Dec 2025 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||
| Christine Y. Yan | ON | Common | Award | 12.1% | 5,054 | 46,669 | 15 May 2025 | Direct | ||
| Paul Anthony Mascarenas | ON | Common | Award | 10.2% | 5,054 | 54,734 | 15 May 2025 | Direct | ||
| Bruce E. Kiddoo | ON | Common | Award | 32.1% | 5,054 | 20,800 | 15 May 2025 | Direct | ||
| Gregory L. Waters | ON | Common | Award | 28.9% | 5,054 | 22,538 | 15 May 2025 | Direct | ||
| Thomas Deitrich | ON | Common | Award | 26.6% | 5,054 | 24,074 | 15 May 2025 | Direct | ||
| Susan K. Carter | ON | Common | Award | 27.2% | 5,054 | 23,652 | 15 May 2025 | Direct | ||
| Alan Campbell | ON | Common | Award | 5.95% | 5,054 | 90,060 | 15 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.