---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-096447"
form_type: "8-K"
ticker: "PRLB"
cik: "0001443669"
company_name: "Proto Labs Inc"
filed_at: "2025-10-03T23:59:59+00:00"
generated_at: "2026-05-17T04:43:59.231496+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Proto Labs names Marc Kermisch CTO & AI Officer, effective Oct 13; Ryaboy departs Nov 2

## Summary
- Oleg Ryaboy steps down as CTO, effective November 2, 2025; receives severance per executive agreement.
- Marc Kermisch appointed Chief Technology and AI Officer, effective October 13, 2025.
- Kermisch previously CTO at Emergent Software and Global Chief Digital Officer at CNH Industrial (NYSE: CNH).
- Kermisch to lead global technology organization, focusing on AI and digital manufacturing expansion.

## SEC filing metadata
- accession: 0001104659-25-096447
- form_type: 8-K
- ticker: PRLB
- cik: 0001443669
- company_name: Proto Labs Inc
- filed_at: 2025-10-03T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1443669/000110465925096447/0001104659-25-096447-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1443669/000110465925096447/tm2527871d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-096447
- JSON: https://secwatch.observer/filing/0001104659-25-096447.json
- Plain text: https://secwatch.observer/filing/0001104659-25-096447.txt

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