ON Congressional Stock Trades & Insider Buying (2026)

ON insider buying and selling over the past year

Insiders at ON SEMICONDUCTOR CORP only sold stock in the open market over the past year: 6 Form 4 sales totaling $11.87M, against no open-market purchases.

Only 1 of the 6 sales were flagged as Rule 10b5-1 plan trades, so most selling was discretionary rather than pre-scheduled. Activity clustered in 2026-02 (3 trades) and 2025-12 (2 trades); the latest filing in this window is dated 2026-03-13. The average open-market sale price was $67.45; the last close of $72.02 is 6.8% above that level, so sellers left upside on the table. The single largest trade was a sale of 60,000 shares worth $4.27M on 2026-02-12. Since the most recent filing the stock has moved +23.0%, from $58.55.

Where ON trades relative to its one-year range

ON SEMICONDUCTOR CORP closed at $72.02 on 2026-10-16, inside a one-year range of $44.90 to $133.93. That puts the stock in the middle of its range, at 30.5% of the distance from low to high. Over one year the share price moved +36.0%, and over roughly three months -17.6%. Average daily volume over the last month was about 11,579,486 shares.

Across 100 companies in the same SEC industry group (SIC 36) with a full year of prices in Gemral Edge, the median one-year return was +16.1%. ON is ahead of that median and beat 62% of that peer group on this measure.

Members of Congress who traded ON

STOCK Act disclosures show 20 trades in ON by 6 members of Congress over five years (12 purchases, 8 sales), most recently on 2026-09-28. The most active traders were Ro Khanna (D-CA), 11 trades; Josh Gottheimer (D-NJ), 3 trades; Julie Johnson (D-TX), 2 trades; Robert P. Bresnahan, Jr. (R-PA), 2 trades; A. Donald McEachin (D-VA), 1 trade.

By party the trades split 18 by Democrats, 2 by Republicans; by chamber, 20 from the House.

Compare ON with indexed peers from the same industry group

These peers have full Gemral Edge dossiers and the closest one-year price move to ON:

• TSM one-year return +37.6%
• WWD one-year return +33.0%
• EMR one-year return +25.3%
• GEV one-year return +53.0%
• MPWR one-year return +17.9%

Sources and method

Every figure above is computed from public filings stored in Gemral Edge, not estimated. Insider figures count only open-market purchases and sales reported on SEC Form 4; option exercises, grants and gifts are excluded because they do not reflect a decision to buy or sell at market prices.

• SEC EDGAR Form 4 (edge_insider_trades, codes P/S open-market only) — as of 2026-03-13
• edge_prices_eod (end-of-day close) — as of 2026-10-16
• House PTR / Senate eFD disclosures (edge_congress_trades) — as of 2026-09-28

ON data questions

Are ON insiders buying or selling stock?

Insiders at ON SEMICONDUCTOR CORP only sold stock in the open market over the past year: 6 Form 4 sales totaling $11.87M, against no open-market purchases.

What is the one-year price range for ON?

Based on end-of-day closes through 2026-10-16, ON traded between $44.90 and $133.93, last closing at $72.02.

Has any member of Congress traded ON stock?

Yes. 6 members disclosed 20 trades in ON over five years; the most recent disclosed trade date is 2026-09-28.