---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-24-028898"
form_type: "8-K"
ticker: "MLAB"
cik: "0000724004"
company_name: "MESA LABORATORIES INC /CO/"
filed_at: "2024-09-11T23:59:59+00:00"
generated_at: "2026-05-31T05:31:29.655692+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Mesa Labs names Moss Adams as new auditor, replacing RSM US LLP

## Summary
- Audit Committee appointed Moss Adams as independent auditor for FY ending March 31, 2025, dismissing RSM effective immediately.
- No disagreements with RSM or former auditor Plante & Moran on accounting principles or audit scope.
- RSM's audit reports for FY 2024 and Plante & Moran's for FY 2023 were unqualified, with no adverse opinions.
- Previously reported material weaknesses in internal control over financial reporting were noted in 8-K disclosures.
- RSM furnished a letter agreeing with the Company's statements, filed as Exhibit 16.1.

## SEC filing metadata
- accession: 0001437749-24-028898
- form_type: 8-K
- ticker: MLAB
- cik: 0000724004
- company_name: MESA LABORATORIES INC /CO/
- filed_at: 2024-09-11T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/724004/000143774924028898/0001437749-24-028898-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/724004/000143774924028898/mlab20240906_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-24-028898
- JSON: https://secwatch.observer/filing/0001437749-24-028898.json
- Plain text: https://secwatch.observer/filing/0001437749-24-028898.txt

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