Barton III Alvin James (CIK 2155766) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-24). Recent activity: Buy NPKI (12,850 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-24 | NPK International Inc. (NPKI) | EVP Commercial Growth & Ops. | Buy | 12,850 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-24