ON

ON SEMICONDUCTOR CORP · Technology · Market cap $30.0B

Insiders sold $1.2M net in the last 90 days ·1 seller, 0 buyers· latest Form 4 filed Oct 2, 2026

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$21.3M

reported sales (SEC code S)

Unique Insiders

4

in the rolling window

Latest filing

Oct 2, 2026

GOPALSWAMY SUDHIR

ON SEMICONDUCTOR CORP (ON) has 31 SEC Form 4 filings (59 transaction rows) in the rolling window, disclosed by 4 distinct insiders. Most recent filing: Oct 2, 2026.

Inside the rolling window, 4 insiders at ON SEMICONDUCTOR CORP reported no open-market purchases and 10 open-market sales totaling $21.3M. The most active filer is Exec VP & CFO Thad Trent with 5 filings. Insiders have net sold $9.4M over the trailing 6 months. The most recent open-market filing is a sale of 15,578 shares by Group President, AMG & ISG GOPALSWAMY SUDHIR, dated Oct 1, 2026, worth $1.2M.

  • Industry:Semiconductors
  • CEO:Hassane S. El-Khoury
  • Employees:22,600
  • HQ:Scottsdale, AZ, US
  • IPO:2000-05-02
Source
GOPALSWAMY SUDHIRFirst in 7 months
Sale$1.2MOct 2SEC ↗
Sale$2.8MApr 27SEC ↗
Sale$3.0MApr 27SEC ↗
Sale$2.4MApr 17SEC ↗
GOPALSWAMY SUDHIRFirst filing
Sale$359KMar 16SEC ↗
Sale$3.5MFeb 18SEC ↗
Sale$4.3MFeb 12SEC ↗
El-Khoury HassaneFirst filing
Sale$1.5MFeb 12SEC ↗
KEETON SIMONFirst filing
Sale$1.2MDec 8SEC ↗
Thad TrentFirst filing
Sale$1.1MDec 4SEC ↗
Showing 1–10 of 10
1 / 1

Earnings: last 7 quarters

EstimatedActual

Congress trading ON 28 all-time

  • DRep. Ro KhannaPurchase$1,001 - $15,0002026-05-01
  • DRep. Ro KhannaSale$1,001 - $15,0002026-01-29
  • RRep. Robert P. BresnahanSale$1,001 - $15,0002025-02-25
  • DRep. Julie JohnsonPurchase$1,001 - $15,0002025-02-12
  • RRep. Robert P. BresnahanOther$1,001 - $15,0002025-02-11
  • DRep. Ro KhannaPurchase$1,001 - $15,0002024-09-09

STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.

Frequently asked questions

How many SEC Form 4 insider filings does ON have?

ON SEMICONDUCTOR CORP (ON) has 31 SEC Form 4 filings (59 transaction rows) in the rolling 365-day window, disclosed by 4 distinct insiders. Most recent filing: Oct 2, 2026.

When was the most recent SEC Form 4 filing for ON?

The most recent Form 4 filing for ON on Tracefour is dated Oct 2, 2026.

Who is the most active insider at ON?

The most active SEC Form 4 filer at ON in the rolling window is Exec VP & CFO Thad Trent, with 5 filings.

What is the net insider flow at ON over the last 6 months?

Over the trailing 180 days, insiders at ON have net sold $9.4M based on SEC Form 4 disclosures.

What is the total insider buy and sell value at ON in the current window?

Inside the rolling window, insiders at ON bought $0 and sold $21.3M based on SEC Form 4 filings.

Can I get alerts for ON insider trading?

Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at ON SEMICONDUCTOR CORP (ON). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.

Related companies

ON SEMICONDUCTOR CORP is in the Technology sector.