---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-26-003270"
form_type: "8-K"
ticker: "HBIO"
cik: "0001123494"
company_name: "HARVARD BIOSCIENCE INC"
filed_at: "2026-05-12T11:30:18+00:00"
generated_at: "2026-05-12T11:39:30.313723+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Harvard Bioscience Q1 revenue $20.8M, gross margin 59%; reaffirms FY guidance

## Summary
- Revenue $20.8M (down 5% YoY from $21.8M); net loss $(3.4)M vs $(50.3)M including $48M impairment.
- Gross margin 59% (vs 56% prior year); driven by higher-margin NPI mix (MeshMEA, BTX, SoHo).
- Adjusted EBITDA $0.8M flat YoY; cash used in ops $(0.7)M vs $3.0M in Q1 2025.
- Reaffirms full-year 2026 guidance; manufacturing consolidation on track for efficiencies.

## SEC filing metadata
- accession: 0001171843-26-003270
- form_type: 8-K
- ticker: HBIO
- cik: 0001123494
- company_name: HARVARD BIOSCIENCE INC
- filed_at: 2026-05-12T11:30:18+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1123494/000117184326003270/0001171843-26-003270-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1123494/000117184326003270/f8k_050826.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-26-003270
- JSON: https://secwatch.observer/filing/0001171843-26-003270.json
- Plain text: https://secwatch.observer/filing/0001171843-26-003270.txt

## Key facts
- Earnings Releases
  HARVARD BIOSCIENCE INC reported the first quarter ended March 31, 2026 results: revenue $20.8 million, net income $(3.4) million. Guidance reaffirmed.
  - Period: the first quarter ended March 31, 2026
  - Revenue: $20.8 million
  - Net income: $(3.4) million
  - Guidance: reaffirmed
  - Result: reported results
  source text: margin NPI sales growth driving bottom line growth in the second half of the year.” First Quarter 2026 Results For the first quarter of 2026, the Company reported revenues of $20.8 million compared to $21.8 million in the first quarter of 2025. Gross margin for the first quarter of 2026 was 59%, compared to 56% in the first quarter of 2025. Net loss for the first
  evidence_url: https://www.sec.gov/Archives/edgar/data/1123494/000117184326003270/0001171843-26-003270-index.htm

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