Stock market today: insider buys and sells, Wednesday, February 4, 2026
Corporate insiders filed 6 open-market purchases worth $21.5M and 133 sales worth $142M. The S&P 500 (SPY) fell 0.5% on the day.
Biggest insider buys
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $16.1M of WRB at $67.71.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $2.2M of WRB at $68.87.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $1.6M of WRB at $70.25.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $900K of WRB at $68.42.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $565K of WRB at $67.75.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $180K of WRB at $69.77.
Biggest insider sales
| Stock | Insider | Value | Plan |
|---|---|---|---|
| CATCaterpillar Inc | Denise C JohnsonPresident | $13.7M | — |
| HIGHartford Insurance Group, Inc. | Christopher SwiftCEO, Chair | $10.0M | 10b5-1 |
| HIGHartford Insurance Group, Inc. | Christopher SwiftCEO, Chair | $10.0M | 10b5-1 |
| WMTWalmart Inc. | Donna MorrisPresident | $9.4M | 10b5-1 |
| MUMicron Technology Inc | Sumit SadanaEvp And Chief Business Officer | $7.5M | — |
| FANGDiamondback Energy, Inc. | Charles Alvin MeloyDirector | $5.8M | 10b5-1 |
| CATCaterpillar Inc | Denise C JohnsonPresident | $5.0M | — |
| SYFSynchrony Financial | Curtis HowseSee Remarks | $3.8M | 10b5-1 |
| DASHDoorDash, Inc. | Stanley TangDirector | $3.5M | 10b5-1 |
| MUMicron Technology Inc | Sumit SadanaEvp And Chief Business Officer | $3.2M | — |
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.