---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-012905"
form_type: "8-K"
ticker: "MLAB"
cik: "0000724004"
company_name: "MESA LABORATORIES INC /CO/"
filed_at: "2023-05-08T23:59:59+00:00"
generated_at: "2026-06-15T14:50:28.106901+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Director John B. Schmieder not standing for re-election at 2023 annual meeting

## Summary
- John B. Schmieder, director since 2015, will not stand for re-election at 2023 annual meeting.
- Currently Chair of Nominating and Governance Committee and member of Audit Committee.
- Decision not related to any disagreement with Mesa's operations, policies, or practices.
- He will continue to serve as director through the date of the annual meeting.
- Committee assignments to be determined prior to his departure.

## SEC filing metadata
- accession: 0001437749-23-012905
- form_type: 8-K
- ticker: MLAB
- cik: 0000724004
- company_name: MESA LABORATORIES INC /CO/
- filed_at: 2023-05-08T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/724004/000143774923012905/0001437749-23-012905-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/724004/000143774923012905/mlab20230504_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-012905
- JSON: https://secwatch.observer/filing/0001437749-23-012905.json
- Plain text: https://secwatch.observer/filing/0001437749-23-012905.txt

## Key facts
- Executive change
  John B. Schmieder departed as Director at MESA LABORATORIES INC /CO/.
  - Action: decided not to stand for re-election
  - Role: Director
  source text: On May 3, 2023, John B. Schmieder, member of the Board of Directors (the “Board”), current Chair of the Nominating and Governance Committee, and member of the Audit Committee, informed the Board of Mesa Laboratories, Inc. that he has decided not to stand for re-election at the 2023 annual meeting of shareholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/724004/000143774923012905/0001437749-23-012905-index.htm

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