Daily insider recap
Stock market today: insider buys and sells, Wednesday, May 20, 2026
Corporate insiders filed 0 open-market purchases worth $0 and 136 sales worth $870M. The S&P 500 (SPY) rose 1.0% on the day.
Insider buying$00 insiders
Insider selling$870M30 insiders
New cluster buys03+ insiders buying
S&P 500 that day+1.0%SPY
Biggest insider buys
No open-market purchases above our size threshold were filed this day.
Biggest insider sales
| Stock | Insider | Value | Plan |
|---|---|---|---|
| CARRCARRIER GLOBAL Corp | Maximilian ViessmannDirector | $750M | — |
| MPWRMonolithic Power Systems Inc | Michael HsingCEO | $9.9M | — |
| MPWRMonolithic Power Systems Inc | Michael HsingCEO | $8.5M | — |
| MPWRMonolithic Power Systems Inc | Michael HsingCEO | $8.5M | — |
| MPWRMonolithic Power Systems Inc | Michael HsingCEO | $7.4M | — |
| MPWRMonolithic Power Systems Inc | Michael HsingCEO | $6.0M | — |
| MPWRMonolithic Power Systems Inc | Michael HsingCEO | $5.7M | — |
| MPWRMonolithic Power Systems Inc | Michael HsingCEO | $5.0M | — |
| MPWRMonolithic Power Systems Inc | Michael HsingCEO | $4.4M | — |
| DDOGDatadog, Inc. | Alexis Le-quocCTO | $3.4M | 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.