Stock market today: insider buys and sells, Thursday, August 20, 2026
Corporate insiders filed 12 open-market purchases worth $83.4M and 158 sales worth $255M. The S&P 500 (SPY) fell 0.8% on the day.
Biggest insider buys
- Buy
RSG 10% Owner Investment, L.l.c. Cascade bought $36.4M of RSG at $217.87.
- Buy
RSG 10% Owner Investment, L.l.c. Cascade bought $15.3M of RSG at $223.45.
- Buy
RSG 10% Owner Investment, L.l.c. Cascade bought $12.8M of RSG at $222.66.
- Buy
RSG 10% Owner Investment, L.l.c. Cascade bought $8.7M of RSG at $221.41.
- Buy
RSG 10% Owner Investment, L.l.c. Cascade bought $5.9M of RSG at $218.33.
- Buy
RSG 10% Owner Investment, L.l.c. Cascade bought $1.3M of RSG at $216.84.
- Buy
RSG 10% Owner Investment, L.l.c. Cascade bought $979K of RSG at $220.82.
- Buy
RSG 10% Owner Investment, L.l.c. Cascade bought $623K of RSG at $224.09.
- Buy
RSG 10% Owner Investment, L.l.c. Cascade bought $477K of RSG at $219.49.
- Buy
RSG 10% Owner Investment, L.l.c. Cascade bought $448K of RSG at $218.64.
Biggest insider sales
| Stock | Insider | Value | Plan |
|---|---|---|---|
| SYKStryker Corp | Ronda E StrykerDirector | $44.2M | — |
| SYKStryker Corp | Ronda E StrykerDirector | $36.8M | — |
| MUMicron Technology Inc | Sumit SadanaEvp And Chief Business Officer | $14.0M | — |
| SYKStryker Corp | Ronda E StrykerDirector | $8.6M | — |
| CAHCardinal Health Inc | Jason M. HollarCEO | $7.0M | — |
| TMOThermo Fisher Scientific Inc. | Lisa P. BrittSr. Vp And Chief Hr Officer | $7.0M | — |
| SYKStryker Corp | Ronda E StrykerDirector | $5.7M | — |
| SYKStryker Corp | Ronda E StrykerDirector | $5.5M | — |
| CAHCardinal Health Inc | Jason M. HollarCEO | $5.0M | — |
| ECLEcolab Inc. | Christophe BeckCEO, President | $5.0M | — |
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.