Key facts
- This page summarizes Daniel Schumacher's Form 4 filing for Proto Labs Inc (PRLB).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 22 May 2026, 16:12.
Daniel Schumacher - 20 May 2026 Form 4 Insider Report for Proto Labs Inc (PRLB)
- Reporting relationship
- Chief Financial Officer
- Issuer ticker
- PRLB
- Reported as of
- 20 May 2026
- Net transaction value
- $0
- SEC form
- 4
- Accepted by SEC
- 22 May 2026, 16:12:33 UTC
- Prior SEC filing
- 27 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ W. Morgan Burns, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Daniel Schumacher filed Form 4 for Proto Labs Inc (PRLB) on 22 May 2026.
Change
- Previous filing in this sequence was filed on 27 Feb 2026.
- Current net transaction value: $0.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001894753
Primary reporting owner
Schumacher Daniel
- Relationship
- Chief Financial Officer
- Address
- 5540 PIONEER CREEK DRIVE, MAPLE PLAIN
- Signature
- /s/ W. Morgan Burns, Attorney-in-Fact
- Signature date
- 22 May 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
PRLB
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -255
- Change %
- -0.56%
- Price
- $71.13*
- Shares after
- 45,019
- Date
- 20 May 2026
- Ownership
- Direct
* marks a reported price that did not pass the local price check.