---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-22-027471"
form_type: "8-K"
ticker: "PRLB"
cik: "0001443669"
company_name: "Proto Labs Inc"
filed_at: "2022-11-15T23:59:59+00:00"
generated_at: "2026-06-21T18:23:17.599306+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Proto Labs amends bylaws tightening proxy solicitation and director nomination rules

## Summary
- Board may now reschedule, postpone, or cancel any previously scheduled shareholder meeting (except special meetings on demand) with public notice.
- Shareholders soliciting proxies from other shareholders must use a proxy card color other than white, which is reserved for the Board.
- Shareholder-nominated director candidates must promptly provide completed questionnaires and information required by the Board.
- Company may void shareholder nominations under Rule 14a-19 if the shareholder notifies it no longer intends to solicit or fails to comply with the rule.
- Amendments adopted by the Board on November 15, 2022, effective immediately.

## SEC filing metadata
- accession: 0001437749-22-027471
- form_type: 8-K
- ticker: PRLB
- cik: 0001443669
- company_name: Proto Labs Inc
- filed_at: 2022-11-15T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1443669/000143774922027471/0001437749-22-027471-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1443669/000143774922027471/prlb20221109_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-22-027471
- JSON: https://secwatch.observer/filing/0001437749-22-027471.json
- Plain text: https://secwatch.observer/filing/0001437749-22-027471.txt

## Key facts
- Governance Changes
  Proto Labs Inc: Amended bylaws regarding shareholder meetings, proxy solicitation, and director nomination rules (effective 2022-11-15).
  - Change: bylaw amendment
  - Effective: 2022-11-15
  source text: Item 5.03. Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year. On November 15, 2022, the Board of Directors (the “Board”) of Proto Labs, Inc. (the “Company”) adopted certain amendments to its Amended and Restated Bylaws (as amended, the “Bylaws”), effective immediately. Among other things, the Bylaws: ● Permit any previously scheduled meeting of the shareholders (other than a special meeting held upon shareholder demand) to be rescheduled, postponed, or canceled by resolution of the Board upon public notice given prior to the date of such meeting; ● Require any shareholder that directly or indirectly solicits proxies from other shareholders to use a proxy card color other than white, which is reserved for the exclusive use by the Board; ● Establish additional rules governing the conduct of meetings of shareholders; and ● Provide more detailed provisions for the process of nominating and electing directors, including: o Requiring any shareholder-nominated director
  evidence_url: https://www.sec.gov/Archives/edgar/data/1443669/000143774922027471/0001437749-22-027471-index.htm

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