Stock market today: insider buys and sells, Thursday, March 12, 2026
Corporate insiders filed 6 open-market purchases worth $1.8M and 193 sales worth $107M. The S&P 500 (SPY) fell 1.5% on the day.
Biggest insider buys
- Buy
IP Director Anders Gustafsson bought $500K of IP at $38.84 — first open-market purchase in our records; opens a new position.
- Buy
IP Director Anders Gustafsson bought $500K of IP at $37.83 — raises the stake by 103%.
- Buy
AMT Director Rajesh Kalathur bought $495K of AMT at $185.30 — first open-market purchase in our records; raises the stake by 118%.
- Buy
ALLE Director Sue Main bought $194K of ALLE at $149.58 — largest purchase by this insider in our records; raises the stake by 1300%.
- Buy
ALLE Director Sue Main bought $90K of ALLE at $150.05 — raises the stake by 43%.
- Buy
ALLE Director Sue Main bought $15K of ALLE at $147.26 — first open-market purchase in our records; opens a new position.
Biggest insider sales
| Stock | Insider | Value | Plan |
|---|---|---|---|
| APPAppLovin Corp | Vasily ShikinCTO | $8.5M | 10b5-1 |
| WDAYWorkday, Inc. | David A Duffield10% Owner | $7.5M | 10b5-1 |
| WDAYWorkday, Inc. | David A Duffield10% Owner | $4.5M | 10b5-1 |
| HIGHartford Insurance Group, Inc. | Lori A RoddenPresident | $4.2M | — |
| APPAppLovin Corp | Vasily ShikinCTO | $3.6M | 10b5-1 |
| ADMArcher-Daniels-Midland Co | Gregory A MorrisPresident | $3.4M | — |
| APPAppLovin Corp | Vasily ShikinCTO | $2.8M | 10b5-1 |
| APPAppLovin Corp | Vasily ShikinCTO | $2.4M | 10b5-1 |
| ACGLArch Capital Group Ltd. | Nicolas PapadopouloCEO | $2.1M | — |
| LINLinde PLC | Guillermo BicharaGeneral Counsel | $2.1M | 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.