---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-21-024441"
form_type: "8-K"
ticker: "PRLB"
cik: "0001443669"
company_name: "Proto Labs Inc"
filed_at: "2021-10-28T23:59:59+00:00"
generated_at: "2026-06-28T16:43:33.160412+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Proto Labs reports Q3 2021 record revenue of $125.3M, up 17% YoY; EPS $0.17 GAAP

## Summary
- Revenue of $125.3M in Q3 2021, up 16.6% from $107.5M in Q3 2020.
- GAAP net income $4.8M ($0.17 diluted EPS) vs $2.9M ($0.10) a year ago.
- Non-GAAP net income $9.7M ($0.35 diluted EPS) vs $10.3M ($0.37) in Q3 2020.
- Hubs segment generated $8.8M revenue in the quarter.

## SEC filing metadata
- accession: 0001437749-21-024441
- form_type: 8-K
- ticker: PRLB
- cik: 0001443669
- company_name: Proto Labs Inc
- filed_at: 2021-10-28T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1443669/000143774921024441/0001437749-21-024441-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1443669/000143774921024441/prlb20211025_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-21-024441
- JSON: https://secwatch.observer/filing/0001437749-21-024441.json
- Plain text: https://secwatch.observer/filing/0001437749-21-024441.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.