---
schema_version: "secwatch.filing_event.v1"
accession: "0001443669-26-000039"
form_type: "8-K"
ticker: "PRLB"
cik: "0001443669"
company_name: "Proto Labs Inc"
filed_at: "2026-08-24T17:06:53+00:00"
generated_at: "2026-08-24T17:08:15.038942+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Proto Labs appoints Sam Ramahi as COO, effective Aug 31, 2026

## Summary
- Sam Ramahi named Chief Operations Officer, reporting to CEO Suresh Krishna, who retains oversight.
- Ramahi brings 25+ years ops leadership; most recently VP North America Operations at SIG Group.
- He will lead global operations, supply chain, quality, sourcing, and continuous improvement.
- Prior roles include COO at Jacuzzi Group and leadership at nVent, Eaton, Honeywell, GE Healthcare.

## SEC filing metadata
- accession: 0001443669-26-000039
- form_type: 8-K
- ticker: PRLB
- cik: 0001443669
- company_name: Proto Labs Inc
- filed_at: 2026-08-24T17:06:53+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1443669/000144366926000039/0001443669-26-000039-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1443669/000144366926000039/prlb-20260824.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001443669-26-000039
- JSON: https://secwatch.observer/filing/0001443669-26-000039.json
- Plain text: https://secwatch.observer/filing/0001443669-26-000039.txt

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