---
schema_version: "secwatch.filing_event.v1"
accession: "0000724004-26-000039"
form_type: "8-K"
ticker: "MLAB"
cik: "0000724004"
company_name: "MESA LABORATORIES INC /CO/"
filed_at: "2026-05-27T12:00:13+00:00"
generated_at: "2026-05-27T12:06:58.626574+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Mesa Labs Q4 revenue up 2.6% but net loss $4.1M; BPD revenue falls 29.9% on export controls

## Summary
- Q4 revenue $63.7M (+2.6% YoY); net loss $4.1M ($0.75 loss per share) vs prior year loss of $7.1M.
- Non-GAAP AOI margin 28.7% (vs 19.7% last year) driven by SDC backlog clearance and cost actions.
- BPD division revenue declined 29.9% due to export controls delaying Peptide system shipments; BPD core organic -31.6%.
- SDC organic growth 17.7% aided by ~$2M backlog reduction; full-year SDC organic 8.7%.
- Repaid $14.7M debt in Q4; net leverage ratio 2.11; CFO expects overall core organic growth positive in Q1 FY27.

## SEC filing metadata
- accession: 0000724004-26-000039
- form_type: 8-K
- ticker: MLAB
- cik: 0000724004
- company_name: MESA LABORATORIES INC /CO/
- filed_at: 2026-05-27T12:00:13+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/724004/000072400426000039/0000724004-26-000039-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/724004/000072400426000039/mlab20260526_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000724004-26-000039
- JSON: https://secwatch.observer/filing/0000724004-26-000039.json
- Plain text: https://secwatch.observer/filing/0000724004-26-000039.txt

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