---
schema_version: "secwatch.filing_event.v1"
accession: "0000012208-25-000057"
form_type: "8-K"
ticker: "BIO"
cik: "0000012208"
company_name: "BIO-RAD LABORATORIES, INC."
filed_at: "2025-09-30T23:59:59+00:00"
generated_at: "2026-05-17T05:13:30.875874+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Bio-Rad co-founder and Director Emeritus Alice Schwartz dies at 99

## Summary
- Alice N. Schwartz, co-founder of Bio-Rad, passed away on September 25, 2025, at age 99.
- She co-founded Bio-Rad in 1952 with her husband David and developed the company's first thyroid test kit in the 1960s.
- Schwartz served as an active Board member until 2022 and was named Director Emeritus.
- Her contributions included the innovation that marked Bio-Rad's entry into clinical diagnostics.

## SEC filing metadata
- accession: 0000012208-25-000057
- form_type: 8-K
- ticker: BIO
- cik: 0000012208
- company_name: BIO-RAD LABORATORIES, INC.
- filed_at: 2025-09-30T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/12208/000001220825000057/0000012208-25-000057-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/12208/000001220825000057/bio-20250929.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000012208-25-000057
- JSON: https://secwatch.observer/filing/0000012208-25-000057.json
- Plain text: https://secwatch.observer/filing/0000012208-25-000057.txt

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