# EDGAR Filing Document

**Accession Number:** 0001443669
**File Stem:** 0001443669-26-000019
**Filing Date:** 2026-4
**Character Count:** 1136
**Document Hash:** fdb0a8a65dab814cafc53e11e9eb486c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001443669-26-000019.hdr.sgml**: 20260408

**ACCESSION NUMBER**: 0001443669-26-000019

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260408

**DATE AS OF CHANGE**: 20260408

**EFFECTIVENESS DATE**: 20260408

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Proto Labs Inc
- **CENTRAL INDEX KEY:** 0001443669
- **STANDARD INDUSTRIAL CLASSIFICATION:** FABRICATED STRUCTURAL METAL PRODUCTS [3440]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MN
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35435
- **FILM NUMBER:** 26847568

**BUSINESS ADDRESS:**
- **STREET 1:** 5540 Pioneer Creek
- **CITY:** Maple Plain
- **STATE:** MN
- **ZIP:** 55359
- **BUSINESS PHONE:** 763-479-7474

**MAIL ADDRESS:**
- **STREET 1:** 5540 Pioneer Creek
- **CITY:** Maple Plain
- **STATE:** MN
- **ZIP:** 55359

### Attached PDF Documents

**Attachment 1:** `prlb_2025annualreporta.pdf`

_No text found in this document._