Stock market today: insider buys and sells, Wednesday, January 28, 2026
Corporate insiders filed 10 open-market purchases worth $69.4M and 36 sales worth $86.3M. The S&P 500 (SPY) fell 0.0% on the day.
Biggest insider buys
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $22.0M of WRB at $67.40.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $19.6M of WRB at $66.86.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $18.9M of WRB at $67.58.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $5.2M of WRB at $67.88.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $1.9M of WRB at $67.89.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $802K of WRB at $66.87.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $588K of WRB at $68.56.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $184K of WRB at $69.04.
- Buy
Q Director Byron Green bought $79K of Q at $79.12 — first open-market purchase in our records; raises the stake by 157%.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $53K of WRB at $65.86.
Biggest insider sales
| Stock | Insider | Value | Plan |
|---|---|---|---|
| SCHWSchwab Charles Corp | Charles R. SchwabChair | $13.9M | — |
| ISRGIntuitive Surgical Inc | Gary S GuthartDirector | $13.0M | 10b5-1 |
| JNJJohnson & Johnson | Joaquin DuatoCEO, Chair | $11.3M | — |
| JNJJohnson & Johnson | Joaquin DuatoCEO, Chair | $10.8M | — |
| ABNBAirbnb, Inc. | Joseph GebbiaDirector | $4.8M | 10b5-1 |
| SCHWSchwab Charles Corp | Charles R. SchwabChair | $4.6M | — |
| IBKRInteractive Brokers Group, Inc. | Earl H NemserChair | $4.6M | — |
| IBKRInteractive Brokers Group, Inc. | Earl H NemserChair | $3.0M | — |
| SCHWSchwab Charles Corp | Charles R. SchwabChair | $2.7M | — |
| IBKRInteractive Brokers Group, Inc. | Earl H NemserChair | $2.4M | — |
Biggest moves among these stocks
Share-price change on the day, for stocks with insider filings.
Filing dates are when the SEC received each Form 4; trades can be up to two business days earlier. Facts from public filings, not investment advice.