---
schema_version: "secwatch.filing_event.v1"
accession: "0001171843-26-000343"
form_type: "8-K"
ticker: "HBIO"
cik: "0001123494"
company_name: "HARVARD BIOSCIENCE INC"
filed_at: "2026-01-20T23:59:59+00:00"
generated_at: "2026-05-16T09:29:00.216530+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Harvard Bioscience reduces stockholder meeting quorum to one-third of shares

## Summary
- Board approved amendment reducing quorum requirement for stockholder meetings from a majority to one-third of voting shares.
- Amendment effective January 19, 2026, upon Board adoption; filed as Exhibit 3.1.
- No other changes to bylaws disclosed in the filing.

## SEC filing metadata
- accession: 0001171843-26-000343
- form_type: 8-K
- ticker: HBIO
- cik: 0001123494
- company_name: HARVARD BIOSCIENCE INC
- filed_at: 2026-01-20T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1123494/000117184326000343/0001171843-26-000343-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1123494/000117184326000343/f8k_012026.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001171843-26-000343
- JSON: https://secwatch.observer/filing/0001171843-26-000343.json
- Plain text: https://secwatch.observer/filing/0001171843-26-000343.txt

## Source-grounded claims
- claim_id: 96e75062d5af9d7d80db9601e2e2635d034ccd6e
  claim: HARVARD BIOSCIENCE INC: Reduced quorum requirement for stockholder meetings from a majority to one-third of shares entitled to vote (effective 2026-01-19).
  evidence_excerpt: On January 19, 2026, the Board of Directors (the “Board”) of Harvard Bioscience, Inc., a Delaware corporation (the “Company”), approved an amendment to the Company’s Amended and Restated By-laws to reduce the quorum requirement for stockholder meetings from a majority to one-third (1/3) of the shares of capital stock entitled to vote (the “By-laws Amendment”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1123494/000117184326000343/0001171843-26-000343-index.htm

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