---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-014541"
form_type: "8-K"
ticker: "BLFS"
cik: "0000834365"
company_name: "BIOLIFE SOLUTIONS INC"
filed_at: "2025-03-24T23:59:59+00:00"
generated_at: "2026-05-24T07:36:08.682189+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# BioLife appoints Cathy Coste to board as director and audit committee chair

## Summary
- Effective March 18, 2025, Catherine Coste appointed to board, replacing Joydeep Goswami as audit committee chair.
- Coste brings over 30 years at Deloitte as senior partner and life sciences industry leader.
- She will serve until 2025 Annual Meeting and receive standard non-employee director compensation.
- Board expanded to seven members; Coste independent under SEC and Nasdaq rules.

## SEC filing metadata
- accession: 0001628280-25-014541
- form_type: 8-K
- ticker: BLFS
- cik: 0000834365
- company_name: BIOLIFE SOLUTIONS INC
- filed_at: 2025-03-24T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/834365/000162828025014541/0001628280-25-014541-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/834365/000162828025014541/blfs-20250318.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-014541
- JSON: https://secwatch.observer/filing/0001628280-25-014541.json
- Plain text: https://secwatch.observer/filing/0001628280-25-014541.txt

## Key facts
- Executive change
  Catherine Coste was appointed as Director and Audit Committee Chair at BIOLIFE SOLUTIONS INC.
  - Action: appointed
  - Role: Director and Audit Committee Chair
  source text: Effective March 18, 2025, the board of directors (the “Board”) of BioLife Solutions, Inc. (the “Company”) appointed Catherine Coste to serve as a member of the Board until the Company’s 2025 Annual Meeting of Stockholders
  evidence_url: https://www.sec.gov/Archives/edgar/data/834365/000162828025014541/0001628280-25-014541-index.htm

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