---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-22-006430"
form_type: "8-K"
ticker: "PRLB"
cik: "0001443669"
company_name: "Proto Labs Inc"
filed_at: "2022-03-16T23:59:59+00:00"
generated_at: "2026-06-26T22:19:33.293757+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Proto Labs CTO Arthur Baker stepping down; CEO Bodor to serve as interim

## Summary
- Arthur R. Baker III, Chief Technology Officer, will depart effective April 15, 2022.
- CEO Dr. Robert Bodor will assume interim CTO role while a search for a permanent successor is conducted.
- Baker is entitled to severance benefits per the company's Executive Severance Agreement as filed in August 2019.

## SEC filing metadata
- accession: 0001437749-22-006430
- form_type: 8-K
- ticker: PRLB
- cik: 0001443669
- company_name: Proto Labs Inc
- filed_at: 2022-03-16T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1443669/000143774922006430/0001437749-22-006430-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1443669/000143774922006430/prlb20220315_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-22-006430
- JSON: https://secwatch.observer/filing/0001437749-22-006430.json
- Plain text: https://secwatch.observer/filing/0001437749-22-006430.txt

## Key facts
- Executive change
  Robert Bodor was appointed as interim Chief Technology Officer at Proto Labs Inc.
  - Action: will serve as
  - Role: interim Chief Technology Officer
  source text: Upon the Effective Date, Dr. Robert Bodor, Chief Executive Officer of the Company, will serve as the interim Chief Technology Officer while the Company conducts a search for a new leader.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1443669/000143774922006430/0001437749-22-006430-index.htm
- Executive change
  Arthur R. Baker III departed as Chief Technology Officer at Proto Labs Inc.
  - Action: stepping down
  - Role: Chief Technology Officer
  source text: On March 16, 2022, Proto Labs, Inc. (the “Company”) announced that Arthur R. Baker III, Chief Technology Officer, is stepping down from his role with the Company, effective April 15, 2022 (the “Effective Date”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1443669/000143774922006430/0001437749-22-006430-index.htm

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