Stock market today: insider buys and sells, Thursday, August 27, 2026
Corporate insiders filed 6 open-market purchases worth $2.8M and 128 sales worth $277M. The S&P 500 (SPY) rose 0.7% on the day.
Biggest insider buys
- Buy
WELL Director Andrew Gundlach bought $605K of WELL at $242.06.
- Buy
WELL Director Andrew Gundlach bought $605K of WELL at $242.06.
- Buy
WELL Director Andrew Gundlach bought $599K of WELL at $239.47 — first open-market purchase in our records.
- Buy
WELL Director Andrew Gundlach bought $599K of WELL at $239.47.
- Buy
KDP Director Aaron E Alt bought $250K of KDP at $31.83 — first open-market purchase in our records; opens a new position.
- Buy
CINF Director Dirk J Debbink bought $172K of CINF at $171.64 — largest purchase by this insider in our records.
Biggest insider sales
| Stock | Insider | Value | Plan |
|---|---|---|---|
| FIXComfort Systems Usa Inc | Brian E. LaneCEO | $25.8M | — |
| ABTAbbott Laboratories | Robert B FordCEO, Chair | $25.3M | — |
| ABTAbbott Laboratories | Robert B FordCEO, Chair | $20.9M | — |
| ILMNIllumina, Inc. | Keith A. MeisterDirector | $20.9M | — |
| ILMNIllumina, Inc. | Keith A. MeisterDirector | $12.4M | — |
| ILMNIllumina, Inc. | Keith A. MeisterDirector | $12.0M | — |
| CRLCharles River Laboratories International, Inc. | James C FosterDirector | $10.1M | 10b5-1 |
| ILMNIllumina, Inc. | Keith A. MeisterDirector | $8.6M | — |
| ILMNIllumina, Inc. | Keith A. MeisterDirector | $8.6M | — |
| TGTTarget Corp | Brian C CornellExecutive Officer | $8.2M | — |
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.