GOPALSWAMY SUDHIR
- Shares
- 173.59K
- % company
- 0.04%
- Price
- $127.00
- Value
- $22,045,676
Filed May 26, 2026
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · TECHNOLOGY · Holders
ON Semiconductor Corporation (ON) Institutional Ownership & Insider Trading History
Recent insider purchases and sales for ON from Form 4 filings. Institutional holdings surface here when ownership sources publish.
Section freshness
Price Jun 23, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT
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PriceLive
Last traded •
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Provider checked •
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Analystevery 1 day
Provider checked •
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Newsevery 15 min
Latest item •
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Ownership read
ON insider sentiment: Net selling.
15 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
ON
Purchases—
Sales6.68M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
—
Institutional data pending
Insider stance
Net selling
$467.81M sold / — bought
Latest filing
May 26, 2026
Most recent holder or insider filing date
Filings shown
59
0 holder / 59 insider
- Holder rows
- Pending
- Market data source
- Latest filing
- May 26, 2026
- Most recent holder or insider filing date
- Increased / initiated
- Pending
- 0 decreased
- Insider rows
- 59
- Market data source
Recent insider transactions
ON Semiconductor Corporation (ON) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Deitrich Thomas
- Shares
- 26.06K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 14, 2026
WATERS GREGORY L
- Shares
- 24.52K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 14, 2026
CARTER SUSAN K
- Shares
- 25.64K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 14, 2026
Yan Christine Y
- Shares
- 48.66K
- % company
- 0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 14, 2026
KIDDOO BRUCE E
- Shares
- 19.22K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 14, 2026
MASCARENAS PAUL ANTHONY
- Shares
- 57.47K
- % company
- 0.01%
- Price
- No cash value
- Value
- No cash value
Filed May 14, 2026
Thad Trent
- Shares
- 271.19K
- % company
- 0.07%
- Price
- $100.00
- Value
- $27,119,400
Filed Apr 24, 2026
Thad Trent
- Shares
- 301.19K
- % company
- 0.08%
- Price
- $93.00
- Value
- $28,011,042
Filed Apr 23, 2026
Thad Trent
- Shares
- 331.19K
- % company
- 0.09%
- Price
- $80.00
- Value
- $26,495,520
Filed Apr 16, 2026
MASCARENAS PAUL ANTHONY
- Shares
- 55.49K
- % company
- 0.01%
- Price
- $62.19
- Value
- $3,450,799
Filed Apr 3, 2026
GOPALSWAMY SUDHIR
- Shares
- 173.94K
- % company
- 0.04%
- Price
- $58.67
- Value
- $10,205,236
Filed Mar 13, 2026
El-Khoury Hassane
- Shares
- 1.05M
- % company
- 0.27%
- Price
- $69.11
- Value
- $72,850,441
Filed Feb 21, 2026
GOPALSWAMY SUDHIR
- Shares
- 180.06K
- % company
- 0.05%
- Price
- $69.11
- Value
- $12,443,739
Filed Feb 21, 2026
Thad Trent
- Shares
- 361.08K
- % company
- 0.09%
- Price
- $69.11
- Value
- $24,954,170
Filed Feb 21, 2026
KEETON SIMON
- Shares
- 214.12K
- % company
- 0.06%
- Price
- $69.11
- Value
- $14,798,041
Filed Feb 21, 2026
El-Khoury Hassane
- Shares
- 1.09M
- % company
- 0.28%
- Price
- No cash value
- Value
- No cash value
Filed Feb 20, 2026
GOPALSWAMY SUDHIR
- Shares
- 189.64K
- % company
- 0.05%
- Price
- $69.11
- Value
- $13,106,020
Filed Feb 20, 2026
GOPALSWAMY SUDHIR
- Shares
- 191.09K
- % company
- 0.05%
- Price
- No cash value
- Value
- No cash value
Filed Feb 20, 2026
Thad Trent
- Shares
- 371.46K
- % company
- 0.10%
- Price
- $69.11
- Value
- $25,671,739
Filed Feb 20, 2026
Thad Trent
- Shares
- 375.63K
- % company
- 0.10%
- Price
- No cash value
- Value
- No cash value
Filed Feb 20, 2026
KEETON SIMON
- Shares
- 221.91K
- % company
- 0.06%
- Price
- $69.11
- Value
- $15,336,269
Filed Feb 20, 2026
KEETON SIMON
- Shares
- 225.04K
- % company
- 0.06%
- Price
- No cash value
- Value
- No cash value
Filed Feb 20, 2026
KEETON SIMON
- Shares
- 199.00K
- % company
- 0.05%
- Price
- $71.77
- Value
- $14,281,891
Filed Feb 17, 2026
KEETON SIMON
- Shares
- 243.26K
- % company
- 0.06%
- Price
- $71.56
- Value
- $17,406,351
Filed Feb 17, 2026
KIDDOO BRUCE E
- Shares
- 17.23K
- % company
- <0.01%
- Price
- Non-cash
- Value
- Non-cash
Filed Feb 12, 2026
El-Khoury Hassane
- Shares
- 1.02M
- % company
- 0.26%
- Price
- $73.02
- Value
- $74,157,811
Filed Feb 12, 2026
El-Khoury Hassane
- Shares
- 1.04M
- % company
- 0.27%
- Price
- $73.56
- Value
- $76,172,116
Filed Feb 12, 2026
Thad Trent
- Shares
- 339.46K
- % company
- 0.09%
- Price
- $70.87
- Value
- $24,058,175
Filed Feb 12, 2026
Thad Trent
- Shares
- 388.96K
- % company
- 0.10%
- Price
- $72.88
- Value
- $28,346,082
Filed Feb 12, 2026
Thad Trent
- Shares
- 395.96K
- % company
- 0.10%
- Price
- $73.39
- Value
- $29,060,930
Filed Feb 12, 2026
Thad Trent
- Shares
- 398.16K
- % company
- 0.10%
- Price
- $71.70
- Value
- $28,549,306
Filed Feb 12, 2026
KEETON SIMON
- Shares
- 247.85K
- % company
- 0.06%
- Price
- $67.38
- Value
- $16,700,470
Filed Feb 10, 2026
El-Khoury Hassane
- Shares
- 1.04M
- % company
- 0.27%
- Price
- $67.38
- Value
- $69,779,402
Filed Feb 10, 2026
Thad Trent
- Shares
- 399.46K
- % company
- 0.10%
- Price
- $67.38
- Value
- $26,915,615
Filed Feb 10, 2026
GOPALSWAMY SUDHIR
- Shares
- 159.26K
- % company
- 0.04%
- Price
- $67.38
- Value
- $10,731,006
Filed Feb 10, 2026
GOPALSWAMY SUDHIR
- Shares
- 165.45K
- % company
- 0.04%
- Price
- $65.20
- Value
- $10,787,470
Filed Feb 6, 2026
KEETON SIMON
- Shares
- 252.89K
- % company
- 0.07%
- Price
- $65.20
- Value
- $16,488,232
Filed Feb 6, 2026
Thad Trent
- Shares
- 406.17K
- % company
- 0.10%
- Price
- $65.20
- Value
- $26,482,219
Filed Feb 6, 2026
El-Khoury Hassane
- Shares
- 1.06M
- % company
- 0.27%
- Price
- $65.20
- Value
- $68,875,454
Filed Feb 6, 2026
GOPALSWAMY SUDHIR
- Shares
- 171.49K
- % company
- 0.04%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
GOPALSWAMY SUDHIR
- Shares
- 171.09K
- % company
- 0.04%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
GOPALSWAMY SUDHIR
- Shares
- 169.85K
- % company
- 0.04%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
GOPALSWAMY SUDHIR
- Shares
- 167.27K
- % company
- 0.04%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
KEETON SIMON
- Shares
- 262.12K
- % company
- 0.07%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
KEETON SIMON
- Shares
- 259.54K
- % company
- 0.07%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
KEETON SIMON
- Shares
- 256.26K
- % company
- 0.07%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
Thad Trent
- Shares
- 418.44K
- % company
- 0.11%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
Thad Trent
- Shares
- 415.00K
- % company
- 0.11%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
Thad Trent
- Shares
- 410.63K
- % company
- 0.11%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
El-Khoury Hassane
- Shares
- 1.09M
- % company
- 0.28%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
El-Khoury Hassane
- Shares
- 1.08M
- % company
- 0.28%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
El-Khoury Hassane
- Shares
- 1.07M
- % company
- 0.27%
- Price
- No cash value
- Value
- No cash value
Filed Feb 5, 2026
MASCARENAS PAUL ANTHONY
- Shares
- 55.32K
- % company
- 0.01%
- Price
- $55.21
- Value
- $3,054,217
Filed Dec 19, 2025
KEETON SIMON
- Shares
- 232.84K
- % company
- 0.06%
- Price
- $55.72
- Value
- $12,973,337
Filed Dec 4, 2025
Thad Trent
- Shares
- 379.45K
- % company
- 0.10%
- Price
- $55.05
- Value
- $20,888,081
Filed Dec 3, 2025
MASCARENAS PAUL ANTHONY
- Shares
- 55.13K
- % company
- 0.01%
- Price
- $49.27
- Value
- $2,716,304
Filed Oct 3, 2025
El-Khoury Hassane
- Shares
- 977.81K
- % company
- 0.25%
- Price
- $51.22
- Value
- $50,080,993
Filed Aug 13, 2025
MASCARENAS PAUL ANTHONY
- Shares
- 54.92K
- % company
- 0.01%
- Price
- $56.60
- Value
- $3,108,415
Filed Jul 3, 2025
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | GOPALSWAMY SUDHIR | 0.04% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 173.59K | $127.00 | $22,045,676 | May 26, 2026 |
| 2 | Deitrich Thomas | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 26.06K | No cash value | No cash value | May 14, 2026 |
| 3 | WATERS GREGORY L | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 24.52K | No cash value | No cash value | May 14, 2026 |
| 4 | CARTER SUSAN K | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 25.64K | No cash value | No cash value | May 14, 2026 |
| 5 | Yan Christine Y | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 48.66K | No cash value | No cash value | May 14, 2026 |
| 6 | KIDDOO BRUCE E | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 19.22K | No cash value | No cash value | May 14, 2026 |
| 7 | MASCARENAS PAUL ANTHONY | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 57.47K | No cash value | No cash value | May 14, 2026 |
| 8 | Thad Trent | 0.07% | SaleOpen-market or direct sale reported on Form 4. | 271.19K | $100.00 | $27,119,400 | Apr 24, 2026 |
| 9 | Thad Trent | 0.08% | SaleOpen-market or direct sale reported on Form 4. | 301.19K | $93.00 | $28,011,042 | Apr 23, 2026 |
| 10 | Thad Trent | 0.09% | SaleOpen-market or direct sale reported on Form 4. | 331.19K | $80.00 | $26,495,520 | Apr 16, 2026 |
| 11 | MASCARENAS PAUL ANTHONY | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 55.49K | $62.19 | $3,450,799 | Apr 3, 2026 |
| 12 | GOPALSWAMY SUDHIR | 0.04% | SaleOpen-market or direct sale reported on Form 4. | 173.94K | $58.67 | $10,205,236 | Mar 13, 2026 |
| 13 | El-Khoury Hassane | 0.27% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 1.05M | $69.11 | $72,850,441 | Feb 21, 2026 |
| 14 | GOPALSWAMY SUDHIR | 0.05% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 180.06K | $69.11 | $12,443,739 | Feb 21, 2026 |
| 15 | Thad Trent | 0.09% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 361.08K | $69.11 | $24,954,170 | Feb 21, 2026 |
| 16 | KEETON SIMON | 0.06% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 214.12K | $69.11 | $14,798,041 | Feb 21, 2026 |
| 17 | El-Khoury Hassane | 0.28% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 1.09M | No cash value | No cash value | Feb 20, 2026 |
| 18 | GOPALSWAMY SUDHIR | 0.05% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 189.64K | $69.11 | $13,106,020 | Feb 20, 2026 |
| 19 | GOPALSWAMY SUDHIR | 0.05% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 191.09K | No cash value | No cash value | Feb 20, 2026 |
| 20 | Thad Trent | 0.10% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 371.46K | $69.11 | $25,671,739 | Feb 20, 2026 |
| 21 | Thad Trent | 0.10% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 375.63K | No cash value | No cash value | Feb 20, 2026 |
| 22 | KEETON SIMON | 0.06% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 221.91K | $69.11 | $15,336,269 | Feb 20, 2026 |
| 23 | KEETON SIMON | 0.06% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 225.04K | No cash value | No cash value | Feb 20, 2026 |
| 24 | KEETON SIMON | 0.05% | SaleOpen-market or direct sale reported on Form 4. | 199.00K | $71.77 | $14,281,891 | Feb 17, 2026 |
| 25 | KEETON SIMON | 0.06% | SaleOpen-market or direct sale reported on Form 4. | 243.26K | $71.56 | $17,406,351 | Feb 17, 2026 |
| 26 | KIDDOO BRUCE E | <0.01% | GiftGift transfer. Usually non-cash and not an open-market sale. | 17.23K | Non-cash | Non-cash | Feb 12, 2026 |
| 27 | El-Khoury Hassane | 0.26% | SaleOpen-market or direct sale reported on Form 4. | 1.02M | $73.02 | $74,157,811 | Feb 12, 2026 |
| 28 | El-Khoury Hassane | 0.27% | SaleOpen-market or direct sale reported on Form 4. | 1.04M | $73.56 | $76,172,116 | Feb 12, 2026 |
| 29 | Thad Trent | 0.09% | SaleOpen-market or direct sale reported on Form 4. | 339.46K | $70.87 | $24,058,175 | Feb 12, 2026 |
| 30 | Thad Trent | 0.10% | SaleOpen-market or direct sale reported on Form 4. | 388.96K | $72.88 | $28,346,082 | Feb 12, 2026 |
| 31 | Thad Trent | 0.10% | SaleOpen-market or direct sale reported on Form 4. | 395.96K | $73.39 | $29,060,930 | Feb 12, 2026 |
| 32 | Thad Trent | 0.10% | SaleOpen-market or direct sale reported on Form 4. | 398.16K | $71.70 | $28,549,306 | Feb 12, 2026 |
| 33 | KEETON SIMON | 0.06% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 247.85K | $67.38 | $16,700,470 | Feb 10, 2026 |
| 34 | El-Khoury Hassane | 0.27% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 1.04M | $67.38 | $69,779,402 | Feb 10, 2026 |
| 35 | Thad Trent | 0.10% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 399.46K | $67.38 | $26,915,615 | Feb 10, 2026 |
| 36 | GOPALSWAMY SUDHIR | 0.04% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 159.26K | $67.38 | $10,731,006 | Feb 10, 2026 |
| 37 | GOPALSWAMY SUDHIR | 0.04% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 165.45K | $65.20 | $10,787,470 | Feb 6, 2026 |
| 38 | KEETON SIMON | 0.07% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 252.89K | $65.20 | $16,488,232 | Feb 6, 2026 |
| 39 | Thad Trent | 0.10% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 406.17K | $65.20 | $26,482,219 | Feb 6, 2026 |
| 40 | El-Khoury Hassane | 0.27% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 1.06M | $65.20 | $68,875,454 | Feb 6, 2026 |
| 41 | GOPALSWAMY SUDHIR | 0.04% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 171.49K | No cash value | No cash value | Feb 5, 2026 |
| 42 | GOPALSWAMY SUDHIR | 0.04% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 171.09K | No cash value | No cash value | Feb 5, 2026 |
| 43 | GOPALSWAMY SUDHIR | 0.04% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 169.85K | No cash value | No cash value | Feb 5, 2026 |
| 44 | GOPALSWAMY SUDHIR | 0.04% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 167.27K | No cash value | No cash value | Feb 5, 2026 |
| 45 | KEETON SIMON | 0.07% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 262.12K | No cash value | No cash value | Feb 5, 2026 |
| 46 | KEETON SIMON | 0.07% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 259.54K | No cash value | No cash value | Feb 5, 2026 |
| 47 | KEETON SIMON | 0.07% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 256.26K | No cash value | No cash value | Feb 5, 2026 |
| 48 | Thad Trent | 0.11% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 418.44K | No cash value | No cash value | Feb 5, 2026 |
| 49 | Thad Trent | 0.11% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 415.00K | No cash value | No cash value | Feb 5, 2026 |
| 50 | Thad Trent | 0.11% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 410.63K | No cash value | No cash value | Feb 5, 2026 |
| 51 | El-Khoury Hassane | 0.28% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 1.09M | No cash value | No cash value | Feb 5, 2026 |
| 52 | El-Khoury Hassane | 0.28% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 1.08M | No cash value | No cash value | Feb 5, 2026 |
| 53 | El-Khoury Hassane | 0.27% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 1.07M | No cash value | No cash value | Feb 5, 2026 |
| 54 | MASCARENAS PAUL ANTHONY | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 55.32K | $55.21 | $3,054,217 | Dec 19, 2025 |
| 55 | KEETON SIMON | 0.06% | SaleOpen-market or direct sale reported on Form 4. | 232.84K | $55.72 | $12,973,337 | Dec 4, 2025 |
| 56 | Thad Trent | 0.10% | SaleOpen-market or direct sale reported on Form 4. | 379.45K | $55.05 | $20,888,081 | Dec 3, 2025 |
| 57 | MASCARENAS PAUL ANTHONY | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 55.13K | $49.27 | $2,716,304 | Oct 3, 2025 |
| 58 | El-Khoury Hassane | 0.25% | SaleOpen-market or direct sale reported on Form 4. | 977.81K | $51.22 | $50,080,993 | Aug 13, 2025 |
| 59 | MASCARENAS PAUL ANTHONY | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 54.92K | $56.60 | $3,108,415 | Jul 3, 2025 |
Showing 59 of 59 matching Form 4 rows. Percent of company uses current shares outstanding when available.
Frequently asked
Common questions.
Who are the largest ON shareholders?
ON Semiconductor Corporation (ON) institutional holders are ranked by reported share count when ownership data publishes filing rows.
What is institutional ownership of ON?
ON Semiconductor Corporation (ON) institutional ownership appears when filing-based market data returns holder rows. TECHi does not fill unavailable ownership fields with placeholder shareholders.
Where can I see ON Semiconductor Corporation insider transactions?
ON Semiconductor Corporation (ON) has 59 Form 4 insider transactions on file, most recently on May 26, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are ON insiders buying or selling?
Recent ON insider activity reads Net selling: 15 sales and 0 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
Who is the most active ON insider?
El-Khoury Hassane is the most active ON insider by absolute share movement, with 10.51 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.