MacKenzie John Roderick JR (CIK 1966688) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-16). Recent activity: Sell NPK (62 shares), Buy NPK (327 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-16 | NATIONAL PRESTO INDUSTRIES INC (NPK) | VP-SALES | Sell | 62 | $8,158 |
| 2026-01-05 | NATIONAL PRESTO INDUSTRIES INC (NPK) | VP-SALES | Buy | 327 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-03-16