---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-21-022330"
form_type: "8-K"
ticker: "BLFS"
cik: "0000834365"
company_name: "BIOLIFE SOLUTIONS INC"
filed_at: "2021-09-17T23:59:59+00:00"
generated_at: "2026-06-29T03:05:24.832653+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# BioLife Solutions CFO Roderick de Greef to retire effective Dec 31, 2021

## Summary
- Roderick de Greef notified his intent to retire as CFO, effective December 31, 2021.
- No successor has been announced; the company will conduct a search.
- De Greef signed the filing, indicating orderly transition.

## SEC filing metadata
- accession: 0001437749-21-022330
- form_type: 8-K
- ticker: BLFS
- cik: 0000834365
- company_name: BIOLIFE SOLUTIONS INC
- filed_at: 2021-09-17T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/834365/000143774921022330/0001437749-21-022330-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/834365/000143774921022330/bioli20210917_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-21-022330
- JSON: https://secwatch.observer/filing/0001437749-21-022330.json
- Plain text: https://secwatch.observer/filing/0001437749-21-022330.txt

## Key facts
- Executive change
  Roderick de Greef retired as Chief Financial Officer at BIOLIFE SOLUTIONS INC.
  - Action: retired
  - Role: Chief Financial Officer
  source text: On September 14, 2021, Roderick de Greef, the Chief Financial Officer of BioLife Solutions, Inc. (the “Company”), notified the Company of his intent to retire from his position as Chief Financial Officer, effective December 31, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/834365/000143774921022330/0001437749-21-022330-index.htm

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