Who
Daniel Schumacher
Chief Financial Officer
Company insider
Files Form 4 as: Chief Financial Officer, Proto Labs.
In numbers
- Trades disclosed
- 51
- Buys
- 0
- Sells
- 3
- Bought
- $0
- Sold
- $1.8M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 1 Dec 2021
- Last trade
- 24 Sep 2026
- Last filed
- 25 Sep 2026
Companies traded
Activity over time
1 Sep – 1 Oct
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 24 Sep 2026filed 25 Sep 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Sold | $477K5,000 at $95.32 | filing |
| 24 Sep 2026filed 25 Sep 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Sold | $477K5,000 at $95.32 | filing |
| 17 Sep 2026filed 18 Sep 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Sold | $418K4,900 at $85.21 | filing |
| 17 Sep 2026filed 18 Sep 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Sold | $418K4,900 at $85.21 | filing |
| 16 Sep 2026filed 18 Sep 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Sold | $8,500100 at $85.00 | filing |
| 16 Sep 2026filed 18 Sep 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Sold | $8,500100 at $85.00 | filing |
| 20 May 2026filed 22 May 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Code F | $18K255 at $71.13 | filing |
| 20 May 2026filed 22 May 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Code F | $18K255 at $71.13 | filing |
| 25 Feb 2026filed 27 Feb 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Code A | —3,074 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Code F | $32K504 at $62.63 | filing |
| 25 Feb 2026filed 27 Feb 2026 | PRLB Proto Labsoption or derivative · Machinery | SEC FORM 4 Code A | —5,605 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | PRLB Proto Labsoption or derivative · Machinery | SEC FORM 4 Code A | —5,605 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Code A | —3,074 at $0.00 | filing |
| 25 Feb 2026filed 27 Feb 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Code F | $32K504 at $62.63 | filing |
| 13 Feb 2026filed 18 Feb 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Code F | $86K1,267 at $67.52 | filing |
| 13 Feb 2026filed 18 Feb 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Code F | $86K1,267 at $67.52 | filing |
| 11 Feb 2026filed 12 Feb 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Code M | $106K3,135 at $33.84 | filing |
| 11 Feb 2026filed 12 Feb 2026 | PRLB Proto Labsoption or derivative · Machinery | SEC FORM 4 Code M | —3,135 at $0.00 | filing |
| 11 Feb 2026filed 12 Feb 2026 | PRLB Proto Labsoption or derivative · Machinery | SEC FORM 4 Code M | —3,135 at $0.00 | filing |
| 11 Feb 2026filed 12 Feb 2026 | PRLB Proto LabsMachinery | SEC FORM 4 Code M | $106K3,135 at $33.84 | filing |
News
Proto Labs (NYSE:PRLB) Stock: Insider Daniel Schumacher Sells 5,000 Sharesdailypolitical.com · 25 Sep 2026Contrasting THK (OTCMKTS:THKLY) & Proto Labs (NYSE:PRLB)PRLB · dailypolitical.com · 8 Oct 2026
1 headline in the last 90 days name Daniel Schumacher; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.