---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-015770"
form_type: "8-K"
ticker: "MLAB"
cik: "0000724004"
company_name: "MESA LABORATORIES INC /CO/"
filed_at: "2023-05-25T23:59:59+00:00"
generated_at: "2026-06-14T15:10:27.696464+00:00"
event_type: "earnings"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Mesa Labs Q4 revenue down 5.6%, AOI down 21%; FY net income down 50% to $0.9M

## Summary
- Q4 revenues $55.6M, -5.6% YoY; net income $0.6M ($0.11 diluted EPS) vs net loss $1.8M prior year.
- FY23 revenues $219.1M (+18.8%); core organic growth 5.2%; net income $0.9M ($0.17) -50.3% YoY.
- AOI ex-unusual items Q4 $10.7M (-21.1% YoY); FY23 $45.8M (-1.7% YoY).
- Clinical Genomics revenues -15.8% organic; Sema4 closure headwind ~$8.2M annually.
- Management guides conservatively for FY24; sees soft CAPEX orders, expects currency headwinds to abate.

## SEC filing metadata
- accession: 0001437749-23-015770
- form_type: 8-K
- ticker: MLAB
- cik: 0000724004
- company_name: MESA LABORATORIES INC /CO/
- filed_at: 2023-05-25T23:59:59+00:00
- event_type: earnings
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/724004/000143774923015770/0001437749-23-015770-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/724004/000143774923015770/mlab20230524_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-015770
- JSON: https://secwatch.observer/filing/0001437749-23-015770.json
- Plain text: https://secwatch.observer/filing/0001437749-23-015770.txt

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