Stock market today: insider buys and sells, Monday, December 29, 2025
Corporate insiders filed 5 open-market purchases worth $62.0M and 52 sales worth $74.8M. The S&P 500 (SPY) fell 0.4% on the day.
Biggest insider buys
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $16.4M of WRB at $70.31 — largest purchase by this insider in our records.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $15.5M of WRB at $70.56.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $15.5M of WRB at $70.51.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $14.5M of WRB at $70.77.
- Buy
WRB 10% Owner Sumitomo Insurance Co Ltd Mitsui bought $144K of WRB at $71.15.
Biggest insider sales
| Stock | Insider | Value | Plan |
|---|---|---|---|
| WDAYWorkday, Inc. | David A Duffield10% Owner | $10.9M | 10b5-1 |
| AVGOBroadcom Inc. | Hock E TanCEO, President | $8.6M | — |
| AVGOBroadcom Inc. | Hock E TanCEO, President | $7.1M | — |
| WDAYWorkday, Inc. | David A Duffield10% Owner | $5.3M | 10b5-1 |
| AVGOBroadcom Inc. | Hock E TanCEO, President | $3.8M | — |
| AVGOBroadcom Inc. | Hock E TanCEO, President | $3.6M | — |
| ORCLOracle Corp | Mark HuraPres., Global Field Operations | $3.0M | — |
| LLYELI LILLY & Co | Lilly Endowment Inc10% Owner | $2.9M | — |
| JBLJabil Inc | Steven D BorgesEvp, Global Business Units | $2.4M | — |
| WMTWalmart Inc. | C Douglas McmillonCEO, President | $2.2M | 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.