---
schema_version: "secwatch.filing_event.v1"
accession: "0000012208-24-000056"
form_type: "8-K"
ticker: "BIO"
cik: "0000012208"
company_name: "BIO-RAD LABORATORIES, INC."
filed_at: "2024-09-09T23:59:59+00:00"
generated_at: "2026-05-31T05:51:07.306962+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Bio-Rad amends bylaws to update stockholder meeting procedures and proxy rules

## Summary
- Board amended Bylaws effective Sept 6, 2024, adding electronic stockholder meeting participation and universal proxy rule compliance.
- Eliminated requirement to make stockholder list available at meetings.
- Clarified CEO role as separate from President; required proxy solicitors to use non-white proxy card color.
- Updated procedures for director nominations and other business proposals, including Rule 14a-19 universal proxy rules.
- Made other administrative, clarifying, and conforming changes.

## SEC filing metadata
- accession: 0000012208-24-000056
- form_type: 8-K
- ticker: BIO
- cik: 0000012208
- company_name: BIO-RAD LABORATORIES, INC.
- filed_at: 2024-09-09T23:59:59+00:00
- event_type: other
- 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/12208/000001220824000056/0000012208-24-000056-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/12208/000001220824000056/bio-20240906.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000012208-24-000056
- JSON: https://secwatch.observer/filing/0000012208-24-000056.json
- Plain text: https://secwatch.observer/filing/0000012208-24-000056.txt

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