Stock market today: insider buys and sells, Friday, January 9, 2026
Corporate insiders filed 6 open-market purchases worth $32.6M and 34 sales worth $115M. The S&P 500 (SPY) rose 0.7% on the day.
Biggest insider buys
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $11.0M of WRB at $68.48.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $10.7M of WRB at $70.32.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $7.4M of WRB at $69.56.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $2.7M of WRB at $69.69.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $571K of WRB at $70.12.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $288K of WRB at $68.79.
Biggest insider sales
| Stock | Insider | Value | Plan |
|---|---|---|---|
| NVDANvidia Corp | Ajay K PuriEvp, Worldwide Field Ops | $24.2M | 10b5-1 |
| NVDANvidia Corp | Ajay K PuriEvp, Worldwide Field Ops | $13.3M | 10b5-1 |
| TDGTransDigm Group INC | Kevin M SteinDirector | $9.0M | 10b5-1 |
| DEDeere & Co | John C May IICEO, Chair | $7.8M | 10b5-1 |
| TDGTransDigm Group INC | Kevin M SteinDirector | $7.4M | 10b5-1 |
| DEDeere & Co | John C May IICEO, Chair | $6.2M | 10b5-1 |
| WDAYWorkday, Inc. | David A Duffield10% Owner | $6.0M | 10b5-1 |
| WDAYWorkday, Inc. | David A Duffield10% Owner | $5.8M | 10b5-1 |
| RDDTReddit, Inc. | Benjamin Seong LeeGeneral Counsel | $5.6M | 10b5-1 |
| DEDeere & Co | John C May IICEO, Chair | $4.1M | 10b5-1 |
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.