SEC Form 4 · accession 0001628280-26-063573
Proto Labs Inc · PRLB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Daniel Schumacher
Officer — Chief Financial Officer
Period of report
Sep 24, 2026
Accepted (ET)
Sep 25, 2026 · 4:11 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001443669
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF2 | Sep 24, 2026 | S | 5,000 | $95.3209 | D | 35,019 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1This transaction was executed pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 5, 2026.
- F2Reflects the weighted average price of 5,000 shares of common stock of Proto Labs Inc. sold by the reporting person in multiple transactions on September 24, 2026, with sale prices ranging from $95.00 to $95.65 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.