---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-21-026820"
form_type: "8-K"
ticker: "PRLB"
cik: "0001443669"
company_name: "Proto Labs Inc"
filed_at: "2021-11-16T23:59:59+00:00"
generated_at: "2026-06-28T07:43:44.042599+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Proto Labs elects Stacy Greiner to board of directors, effective Nov. 15, 2021

## Summary
- Greiner is General Manager, North America Sales & Marketing at Dun & Bradstreet.
- Board size increased to nine members with her election.
- Receives initial equity award of $145,000 with immediate vesting plus pro-rated annual stock grant.
- Also receives quarterly cash retainer of $12,500 as a board member.
- Press release cites her digital marketing and data analytics expertise.

## SEC filing metadata
- accession: 0001437749-21-026820
- form_type: 8-K
- ticker: PRLB
- cik: 0001443669
- company_name: Proto Labs Inc
- filed_at: 2021-11-16T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1443669/000143774921026820/0001437749-21-026820-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1443669/000143774921026820/prlb20211115_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-21-026820
- JSON: https://secwatch.observer/filing/0001437749-21-026820.json
- Plain text: https://secwatch.observer/filing/0001437749-21-026820.txt

## Key facts
- Executive change
  Stacy Greiner was elected as Director at Proto Labs Inc.
  - Action: elected
  - Role: Director
  source text: On November 15, 2021, the Board of Directors (the “Board”) of Proto Labs, Inc. (the “Company”) elected Stacy Greiner as a member of the Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1443669/000143774921026820/0001437749-21-026820-index.htm

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