ON
insider transactionsON SEMICONDUCTOR CORP — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 365d
-287.5K
0 buy · 287.5K sell
Net value · 365d
-$24.0M
$0 in · $24.0M out
Sentiment · 365d
Net selling
0% buying · 100% selling
Open-market trades · 365d
17
0 buy · 287.5K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Other·F
Group President, AMG & ISG
$59.7K
470 sh · $127.00
Own -0%
-
Sell·S
Thomas Deitrich KEY
President & CEO
$72.7K
862 sh · $84.37
Own -0%
-
Sell·S
Thomas Deitrich KEY
President & CEO
$60.5K
760 sh · $79.60
Own -0%
-
Grant·A
Director
$0
2.0K sh
Own +9%
-
Grant·A
Director
$0
2.0K sh
Own +4%
-
Grant·A
Director
$0
2.0K sh
Own +4%
-
Grant·A
Director
$0
2.0K sh
Own +8%
-
Sell·S
Trent Thad KEY
Exec VP & CFO · 10b5-1
$3.0M
30.0K sh · $100.00
Own -10%
-
Sell·S
Trent Thad KEY
Exec VP & CFO · 10b5-1
$2.8M
30.0K sh · $93.00
Own -9%
-
Sell·S
Trent Thad KEY
Exec VP & CFO · 10b5-1
$2.4M
30.0K sh · $80.00
Own -8%
-
Grant·A
Director
$10.4K
168 sh · $62.19
Own +0%
-
Sell·S
Group President, AMG & ISG
$358.7K
6.1K sh · $58.67
Own -3%
-
Sell·S
Thomas Deitrich KEY
President & CEO
$168.0K
1.8K sh · $94.81
Own -0%
-
Other·F
Trent Thad KEY
Exec VP & CFO
$717.6K
10.4K sh · $69.11
Own -3%
-
Other·F
Simon Keeton KEY
Group President, PSG
$538.2K
7.8K sh · $69.11
Own -4%
-
Other·F
Group President, AMG & ISG
$662.3K
9.6K sh · $69.11
Own -5%
-
Other·F
CEO & President
$2.5M
36.8K sh · $69.11
Own -3%
-
Sell·S
Thomas Deitrich KEY
President & CEO
$306.6K
3.1K sh · $100.17
Own -1%
-
Other·F
Trent Thad KEY
Exec VP & CFO
$288.4K
4.2K sh · $69.11
Own -1%
-
Grant·A
Trent Thad KEY
Exec VP & CFO
$0
36.2K sh
Own +11%
-
Other·F
Simon Keeton KEY
Group President, PSG
$216.3K
3.1K sh · $69.11
Own -1%
-
Grant·A
Simon Keeton KEY
Group President, PSG
$0
26.0K sh
Own +13%
-
Other·F
Group President, AMG & ISG
$100.6K
1.5K sh · $69.11
Own -1%
-
Grant·A
Group President, AMG & ISG
$0
31.8K sh
Own +20%
-
Grant·A
CEO & President
$0
75.3K sh
Own +7%
-
Sell·S
Thomas Deitrich KEY
President & CEO
$5.6M
56.1K sh · $99.54
Own -13%
-
Grant·A
Thomas Deitrich KEY
President & CEO
$0
143.7K sh
Own +50%
-
Grant·A
Thomas Deitrich KEY
President & CEO
$0
26.5K sh
Own +10%
-
Sell·S
Simon Keeton KEY
Group President, PSG
$3.2M
44.3K sh · $71.77
Own -18%
-
Sell·S
Simon Keeton KEY
Group President, PSG
$328.9K
4.6K sh · $71.56
Own -2%
-
Sell·S
Trent Thad KEY
Exec VP & CFO · 10b5-1
$3.5M
49.5K sh · $70.87
Own -13%
-
Sell·S
Trent Thad KEY
Exec VP & CFO · 10b5-1
$510.1K
7.0K sh · $72.88
Own -2%
-
Sell·S
Trent Thad KEY
Exec VP & CFO · 10b5-1
$161.5K
2.2K sh · $73.39
Own -1%
-
Sell·S
Trent Thad KEY
Exec VP & CFO · 10b5-1
$93.2K
1.3K sh · $71.70
Own -0%
-
Sell·S
CEO & President
$1.5M
19.9K sh · $73.02
Own -2%
-
Sell·S
CEO & President
$7.4K
100 sh · $73.56
Own -0%
-
Other·F
Trent Thad KEY
Exec VP & CFO · 10b5-1
$452.1K
6.7K sh · $67.38
Own -2%
-
Other·F
Simon Keeton KEY
Group President, PSG
$339.1K
5.0K sh · $67.38
Own -2%
-
Other·F
Group President, AMG & ISG
$417.1K
6.2K sh · $67.38
Own -4%
-
Other·F
CEO & President
$1.4M
20.8K sh · $67.38
Own -2%
-
Other·F
Trent Thad KEY
Exec VP & CFO
$800.0K
12.3K sh · $65.20
Own -3%
-
Other·F
Simon Keeton KEY
Group President, PSG
$601.9K
9.2K sh · $65.20
Own -4%
-
Other·F
Group President, AMG & ISG
$393.9K
6.0K sh · $65.20
Own -4%
-
Other·F
CEO & President
$2.2M
34.5K sh · $65.20
Own -3%
-
Grant·A
Trent Thad KEY
Exec VP & CFO
$0
3.4K sh
Own +1%
-
Grant·A
Trent Thad KEY
Exec VP & CFO
$0
4.4K sh
Own +1%
-
Grant·A
Trent Thad KEY
Exec VP & CFO
$0
31.1K sh
Own +8%
-
Grant·A
Simon Keeton KEY
Group President, PSG
$0
2.6K sh
Own +1%
-
Grant·A
Simon Keeton KEY
Group President, PSG
$0
3.3K sh
Own +1%
-
Grant·A
Simon Keeton KEY
Group President, PSG
$0
23.3K sh
Own +10%
-
Grant·A
Group President, AMG & ISG
$0
401 sh
Own +0%
-
Grant·A
Group President, AMG & ISG
$0
1.2K sh
Own +1%
-
Grant·A
Group President, AMG & ISG
$0
2.6K sh
Own +2%
-
Grant·A
Group President, AMG & ISG
$0
23.3K sh
Own +16%
-
Grant·A
CEO & President
$0
9.6K sh
Own +1%
-
Grant·A
CEO & President
$0
12.2K sh
Own +1%
-
Grant·A
CEO & President
$0
91.0K sh
Own +9%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| May 26, 2026 | Sudhir Gopalswamy KEY | Other F | 470 | $59.7K |
| May 26, 2026 | Thomas Deitrich KEY | Sell S | 862 | $72.7K |
| May 20, 2026 | Thomas Deitrich KEY | Sell S | 760 | $60.5K |
| May 14, 2026 | Gregory L Waters | Grant A | 2.0K | $0 |
| May 14, 2026 | Christine Y Yan | Grant A | 2.0K | $0 |
| May 14, 2026 | Paul Anthony Mascarenas | Grant A | 2.0K | $0 |
| May 14, 2026 | Thomas Deitrich | Grant A | 2.0K | $0 |
| Apr 24, 2026 | Trent Thad KEY 10b5-1 | Sell S | 30.0K | $3.0M |
| Apr 23, 2026 | Trent Thad KEY 10b5-1 | Sell S | 30.0K | $2.8M |
| Apr 16, 2026 | Trent Thad KEY 10b5-1 | Sell S | 30.0K | $2.4M |
| Apr 3, 2026 | Paul Anthony Mascarenas | Grant A | 168 | $10.4K |
| Mar 13, 2026 | Sudhir Gopalswamy KEY | Sell S | 6.1K | $358.7K |
| Feb 24, 2026 | Thomas Deitrich KEY | Sell S | 1.8K | $168.0K |
| Feb 21, 2026 | Trent Thad KEY | Other F | 10.4K | $717.6K |
| Feb 21, 2026 | Simon Keeton KEY | Other F | 7.8K | $538.2K |
| Feb 21, 2026 | Sudhir Gopalswamy KEY | Other F | 9.6K | $662.3K |
| Feb 21, 2026 | Hassane El-Khoury KEY | Other F | 36.8K | $2.5M |
| Feb 20, 2026 | Thomas Deitrich KEY | Sell S | 3.1K | $306.6K |
| Feb 20, 2026 | Trent Thad KEY | Other F | 4.2K | $288.4K |
| Feb 20, 2026 | Trent Thad KEY | Grant A | 36.2K | $0 |
| Feb 20, 2026 | Simon Keeton KEY | Other F | 3.1K | $216.3K |
| Feb 20, 2026 | Simon Keeton KEY | Grant A | 26.0K | $0 |
| Feb 20, 2026 | Sudhir Gopalswamy KEY | Other F | 1.5K | $100.6K |
| Feb 20, 2026 | Sudhir Gopalswamy KEY | Grant A | 31.8K | $0 |
| Feb 20, 2026 | Hassane El-Khoury KEY | Grant A | 75.3K | $0 |
| Feb 19, 2026 | Thomas Deitrich KEY | Sell S | 56.1K | $5.6M |
| Feb 18, 2026 | Thomas Deitrich KEY | Grant A | 143.7K | $0 |
| Feb 18, 2026 | Thomas Deitrich KEY | Grant A | 26.5K | $0 |
| Feb 17, 2026 | Simon Keeton KEY | Sell S | 44.3K | $3.2M |
| Feb 17, 2026 | Simon Keeton KEY | Sell S | 4.6K | $328.9K |
| Feb 12, 2026 | Trent Thad KEY 10b5-1 | Sell S | 49.5K | $3.5M |
| Feb 12, 2026 | Trent Thad KEY 10b5-1 | Sell S | 7.0K | $510.1K |
| Feb 12, 2026 | Trent Thad KEY 10b5-1 | Sell S | 2.2K | $161.5K |
| Feb 12, 2026 | Trent Thad KEY 10b5-1 | Sell S | 1.3K | $93.2K |
| Feb 12, 2026 | Hassane El-Khoury KEY | Sell S | 19.9K | $1.5M |
| Feb 12, 2026 | Hassane El-Khoury KEY | Sell S | 100 | $7.4K |
| Feb 10, 2026 | Trent Thad KEY 10b5-1 | Other F | 6.7K | $452.1K |
| Feb 10, 2026 | Simon Keeton KEY | Other F | 5.0K | $339.1K |
| Feb 10, 2026 | Sudhir Gopalswamy KEY | Other F | 6.2K | $417.1K |
| Feb 10, 2026 | Hassane El-Khoury KEY | Other F | 20.8K | $1.4M |
| Feb 6, 2026 | Trent Thad KEY | Other F | 12.3K | $800.0K |
| Feb 6, 2026 | Simon Keeton KEY | Other F | 9.2K | $601.9K |
| Feb 6, 2026 | Sudhir Gopalswamy KEY | Other F | 6.0K | $393.9K |
| Feb 6, 2026 | Hassane El-Khoury KEY | Other F | 34.5K | $2.2M |
| Feb 5, 2026 | Trent Thad KEY | Grant A | 3.4K | $0 |
| Feb 5, 2026 | Trent Thad KEY | Grant A | 4.4K | $0 |
| Feb 5, 2026 | Trent Thad KEY | Grant A | 31.1K | $0 |
| Feb 5, 2026 | Simon Keeton KEY | Grant A | 2.6K | $0 |
| Feb 5, 2026 | Simon Keeton KEY | Grant A | 3.3K | $0 |
| Feb 5, 2026 | Simon Keeton KEY | Grant A | 23.3K | $0 |
| Feb 5, 2026 | Sudhir Gopalswamy KEY | Grant A | 401 | $0 |
| Feb 5, 2026 | Sudhir Gopalswamy KEY | Grant A | 1.2K | $0 |
| Feb 5, 2026 | Sudhir Gopalswamy KEY | Grant A | 2.6K | $0 |
| Feb 5, 2026 | Sudhir Gopalswamy KEY | Grant A | 23.3K | $0 |
| Feb 5, 2026 | Hassane El-Khoury KEY | Grant A | 9.6K | $0 |
| Feb 5, 2026 | Hassane El-Khoury KEY | Grant A | 12.2K | $0 |
| Feb 5, 2026 | Hassane El-Khoury KEY | Grant A | 91.0K | $0 |
About ON insider trading
This page tracks insider transactions for ON SEMICONDUCTOR CORP (ON) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.