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Daily insider recap

Stock market today: insider buys and sells, Thursday, December 18, 2025

Corporate insiders filed 2 open-market purchases worth $607K and 124 sales worth $197M. The S&P 500 (SPY) rose 0.8% on the day.

Insider buying$607K2 insiders
Insider selling$197M25 insiders
New cluster buys03+ insiders buying
S&P 500 that day+0.8%SPY

Biggest insider buys

  • Buy

    CRM Director David Blair Kirk bought $501K of CRM at $258.64 — first open-market purchase in our records; raises the stake by 22%.

  • Buy

    WY Director Sara Grootwassink Lewis bought $106K of WY at $23.61 — first open-market purchase in our records; raises the stake by 21%.

Biggest insider sales

StockInsiderValuePlan
LVSLas Vegas Sands CorpRobert G GoldsteinCEO, Chair$79.2M—
LRCXLam Research CorpTimothy ArcherCEO, President$18.6M10b5-1
WDAYWorkday, Inc.David A Duffield10% Owner$11.9M10b5-1
LRCXLam Research CorpTimothy ArcherCEO, President$8.2M10b5-1
GDGeneral Dynamics CorpDavid PaddockPresident$5.7M—
LVSLas Vegas Sands CorpMiriam Adelson10% Owner$5.3M—
INCYIncyte CorpMichael James MorrisseyEvp, Head Of Tech. Operations$5.2M10b5-1
RDDTReddit, Inc.Benjamin Seong LeeGeneral Counsel$5.1M10b5-1
RDDTReddit, Inc.Benjamin Seong LeeGeneral Counsel$4.5M10b5-1
CDNSCadence Design Systems IncJohn M WallCFO$3.7M10b5-1

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.