Daily insider recap
Stock market today: insider buys and sells, Tuesday, May 19, 2026
Corporate insiders filed 3 open-market purchases worth $725K and 136 sales worth $107M. The S&P 500 (SPY) fell 0.7% on the day.
Insider buying$725K2 insiders
Insider selling$107M48 insiders
New cluster buys03+ insiders buying
S&P 500 that day-0.7%SPY
Biggest insider buys
- Buy
CDW See Remarks Christine A Leahy bought $499K of CDW at $103.39 — first open-market purchase in our records.
- Buy
NCLH Director Jose E. Cil bought $149K of NCLH at $14.91 — largest purchase by this insider in our records.
- Buy
NCLH Director Jose E. Cil bought $76K of NCLH at $15.25 — first open-market purchase in our records.
Biggest insider sales
| Stock | Insider | Value | Plan |
|---|---|---|---|
| MPWRMonolithic Power Systems Inc | Maurice SciammasEvp, Ww Sales & Marketing | $5.8M | 10b5-1 |
| NUENucor Corp | Leon J TopalianCEO, Chair | $5.0M | — |
| TDGTransDigm Group INC | W Nicholas HowleyDirector | $4.5M | 10b5-1 |
| NUENucor Corp | Leon J TopalianCEO, Chair | $3.7M | — |
| MPWRMonolithic Power Systems Inc | Maurice SciammasEvp, Ww Sales & Marketing | $3.2M | 10b5-1 |
| MPWRMonolithic Power Systems Inc | Maurice SciammasEvp, Ww Sales & Marketing | $3.1M | 10b5-1 |
| LITELumentum Holdings Inc. | Yuen WupenPresident | $3.1M | 10b5-1 |
| LITELumentum Holdings Inc. | Vincent RetortSee Remarks | $3.0M | 10b5-1 |
| TERTeradyne, Inc | Gregory Stephen SmithCEO, President | $2.9M | 10b5-1 |
| SYFSynchrony Financial | Jonathan S MothnerSee Remarks | $2.8M | 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.