Form 4
Insider Selling
2026-04-17
ON insider Thad Trent (Exec VP & CFO) sold 30,000 shares (~$2.40M)
Thad Trent, listed as Exec VP & CFO at ON SEMICONDUCTOR CORP, reported an open-market sale of 30,000 ON shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Thad Trent (Exec VP & CFO)
Shares: 30,000
Est. Value: $2.40M
Form 144
Proposed Insider Sale
2026-04-16
ON Form 144 filed for proposed insider sale by THAD TRENT (30,000 shares) ~$4.35M
THAD TRENT filed a Form 144 with the SEC indicating intent to sell ON (ON SEMICONDUCTOR CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
Filing: Form 144 (Proposed Sale Notice)
Insider: THAD TRENT
Shares: 30,000
Est. Value: $4.35M
Form 4
Tax / Compensation Filing
2026-04-06
ON insider Form 4 filed for equity award, exercise, or tax withholding
MASCARENAS PAUL ANTHONY (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: MASCARENAS PAUL ANTHONY (Director)
Shares: 168
Form 4
Insider Selling
2026-03-16
ON insider GOPALSWAMY SUDHIR (Group President, AMG & ISG) sold 6,114 shares (~$358.7K)
GOPALSWAMY SUDHIR, listed as Group President, AMG & ISG at ON SEMICONDUCTOR CORP, reported an open-market sale of 6,114 ON shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: GOPALSWAMY SUDHIR (Group President, AMG & ISG)
Shares: 6,114
Est. Value: $358.7K
Form 144
Proposed Insider Sale
2026-03-13
ON Form 144 filed for proposed insider sale by GOPALSWAMY SUDHIR (6,114 shares) ~$717.4K
GOPALSWAMY SUDHIR filed a Form 144 with the SEC indicating intent to sell ON (ON SEMICONDUCTOR CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
Filing: Form 144 (Proposed Sale Notice)
Insider: GOPALSWAMY SUDHIR
Shares: 6,114
Est. Value: $717.4K
Form 8-K
Material Company Update
2026-03-11
ON filed 8-K — material company event
ON SEMICONDUCTOR CORP filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Filing: 8-K (Material Event)
Form 4
Tax / Compensation Filing
2026-02-24
ON insider Form 4 filed for equity award, exercise, or tax withholding
El-Khoury Hassane (Director, CEO & President) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: El-Khoury Hassane (Director, CEO & President)
Shares: 112,117
Form 4
Tax / Compensation Filing
2026-02-24
ON insider Form 4 filed for equity award, exercise, or tax withholding
GOPALSWAMY SUDHIR (Group President, AMG & ISG) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: GOPALSWAMY SUDHIR (Group President, AMG & ISG)
Shares: 42,872
Form 4
Tax / Compensation Filing
2026-02-24
ON insider Form 4 filed for equity award, exercise, or tax withholding
Thad Trent (Exec VP & CFO) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Thad Trent (Exec VP & CFO)
Shares: 50,731
Form 4
Tax / Compensation Filing
2026-02-24
ON insider Form 4 filed for equity award, exercise, or tax withholding
KEETON SIMON (Group President, PSG) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: KEETON SIMON (Group President, PSG)
Shares: 36,964
Form 4
Insider Selling
2026-02-18
ON insider KEETON SIMON (Group President, PSG) sold 48,860 shares (~$3.51M)
KEETON SIMON, listed as Group President, PSG at ON SEMICONDUCTOR CORP, reported an open-market sale of 48,860 ON shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: KEETON SIMON (Group President, PSG)
Shares: 48,860
Est. Value: $3.51M
Form 144
Large Proposed Insider Sale
2026-02-17
ON Form 144 filed for proposed insider sale by SIMON KEETON (48,860 shares) ~$7.01M
SIMON KEETON filed a Form 144 with the SEC indicating intent to sell ON (ON SEMICONDUCTOR CORP) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: SIMON KEETON
Shares: 48,860
Est. Value: $7.01M
Form 4
Tax / Compensation Filing
2026-02-13
ON insider Form 4 filed for equity award, exercise, or tax withholding
KIDDOO BRUCE E (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: KIDDOO BRUCE E (Director)
Shares: 3,570
Form 4
Tax / Compensation Filing
2026-02-12
ON insider Form 4 filed for equity award, exercise, or tax withholding
KEETON SIMON (Group President, PSG) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: KEETON SIMON (Group President, PSG)
Shares: 5,032
Form 4
Insider Selling
2026-02-12
ON insider El-Khoury Hassane (Director, CEO & President) sold 20,000 shares (~$1.46M)
El-Khoury Hassane, listed as Director, CEO & President at ON SEMICONDUCTOR CORP, reported an open-market sale of 20,000 ON shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: El-Khoury Hassane (Director, CEO & President)
Shares: 20,000
Est. Value: $1.46M