---
schema_version: "secwatch.filing_event.v1"
accession: "0000724004-26-000056"
form_type: "8-K"
ticker: "MLAB"
cik: "0000724004"
company_name: "MESA LABORATORIES INC /CO/"
filed_at: "2026-06-15T21:29:57+00:00"
generated_at: "2026-06-15T21:32:31.134115+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Mesa Labs appoints Lyndsey Crennen as Chief Accounting Officer; base salary $325,000

## Summary
- Appointment effective June 11, 2026; Crennen previously Corporate Controller since 2022.
- Base salary of $325,000; eligible for annual cash bonus at 40% target ($130,000) and long-term incentive target $300,000.
- Employment agreement includes customary severance; to be entered by June 26, 2026.
- No family relationships or related party transactions with existing directors or officers.

## SEC filing metadata
- accession: 0000724004-26-000056
- form_type: 8-K
- ticker: MLAB
- cik: 0000724004
- company_name: MESA LABORATORIES INC /CO/
- filed_at: 2026-06-15T21:29:57+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/724004/000072400426000056/0000724004-26-000056-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/724004/000072400426000056/mlab20260615_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000724004-26-000056
- JSON: https://secwatch.observer/filing/0000724004-26-000056.json
- Plain text: https://secwatch.observer/filing/0000724004-26-000056.txt

## Key facts
- Executive change
  Lyndsey Crennen was appointed as Chief Accounting Officer at MESA LABORATORIES INC /CO/.
  - Action: appointed
  - Role: Chief Accounting Officer
  source text: On June 11, 2026, the board of directors (the “Board”) of Mesa Laboratories, Inc. (“Mesa” or the “Company”) approved the appointment of Lyndsey Crennen as the Chief Accounting Officer of the Company, effective as of her entry into the Employment Agreement described below.
  evidence_url: https://www.sec.gov/Archives/edgar/data/724004/000072400426000056/0000724004-26-000056-index.htm

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