Schumacher Daniel (CIK 1894753) reported 12 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-22). Recent activity: Sell PRLB (255 shares), Buy PRLB (3,074 shares), Sell PRLB (504 shares), Sell PRLB (1,267 shares), Sell PRLB (6,809 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-22 | Proto Labs Inc (PRLB) | Chief Financial Officer | Sell | 255 | $18,138 |
| 2026-02-27 | Proto Labs Inc (PRLB) | Chief Financial Officer | Buy | 3,074 | $0 |
| 2026-02-27 | Proto Labs Inc (PRLB) | Chief Financial Officer | Sell | 504 | $31,566 |
| 2026-02-18 | Proto Labs Inc (PRLB) | Chief Financial Officer | Sell | 1,267 | $85,548 |
| 2026-02-12 | Proto Labs Inc (PRLB) | Chief Financial Officer | Sell | 6,809 | $362,103 |
| 2026-02-12 | Proto Labs Inc (PRLB) | Chief Financial Officer | Buy | 3,135 | $106,088 |
| 2026-02-04 | Proto Labs Inc (PRLB) | Chief Financial Officer | Buy | 20,686 | $0 |
| 2025-05-22 | Proto Labs Inc (PRLB) | Chief Financial Officer | Sell | 305 | $12,465 |
| 2025-02-27 | Proto Labs Inc (PRLB) | Chief Financial Officer | Buy | 4,419 | $0 |
| 2025-02-18 | Proto Labs Inc (PRLB) | Chief Financial Officer | Buy | 3,077 | $0 |
| 2025-02-18 | Proto Labs Inc (PRLB) | Chief Financial Officer | Sell | 1,098 | $49,443 |
| 2025-02-18 | Proto Labs Inc (PRLB) | Chief Financial Officer | Sell | 1,264 | $56,918 |
Source: SEC Form 4 filings · as of 2026-05-22