Stock market today: insider buys and sells, Tuesday, May 5, 2026
Corporate insiders filed 6 open-market purchases worth $2.3M and 218 sales worth $348M. The S&P 500 (SPY) rose 0.8% on the day.
Biggest insider buys
- Buy
L Director Dino Robusto bought $527K of L at $105.44 — first open-market purchase in our records; raises the stake by 2128%.
- Buy
WTW CEO Carl Aaron Hess bought $510K of WTW at $255.08 — first open-market purchase in our records.
- Buy
CLX Director Pierre R Breber bought $429K of CLX at $85.82 — raises the stake by 38%.
- Buy
ARE Chair Joel S Marcus bought $410K of ARE at $41.02.
- Buy
CAT Director David Maclennan bought $219K of CAT at $876.84 — largest purchase by this insider in our records.
- Buy
ECL Director David Maclennan bought $206K of ECL at $256.91 — largest purchase by this insider in our records.
Biggest insider sales
| Stock | Insider | Value | Plan |
|---|---|---|---|
| DVADavita Inc. | Berkshire Hathaway Inc10% Owner | $183M | — |
| REGRegency Centers Corp | Martin E Stein Jr.Chair | $12.4M | — |
| APHAmphenol Corp /De/ | Richard Adam NorwittCEO, President | $8.8M | — |
| REGRegency Centers Corp | Martin E Stein Jr.Chair | $8.6M | — |
| GSGoldman Sachs Group Inc | Sheara J FredmanChief Accounting Officer | $7.6M | — |
| AMZNAmazon Com Inc | Douglas J HerringtonCEO | $7.6M | 10b5-1 |
| APHAmphenol Corp /De/ | Richard Adam NorwittCEO, President | $7.4M | — |
| TXNTexas Instruments Inc | Haviv IlanCEO, President | $5.6M | — |
| CATCaterpillar Inc | Jason KaiserPresident | $5.0M | — |
| MUMicron Technology Inc | Sanjay MehrotraCEO, President | $4.3M | 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.