Samborski Christopher William (CIK 2131980) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-05). Recent activity: Buy MLM (8,101 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-05 | MARTIN MARIETTA MATERIALS INC (MLM) | EVP, COO | Buy | 8,101 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-05-05