---
schema_version: "secwatch.filing_event.v1"
accession: "0001370946-24-000223"
form_type: "8-K"
ticker: "OC"
cik: "0001370946"
company_name: "Owens Corning"
filed_at: "2024-08-27T23:59:59+00:00"
generated_at: "2026-05-31T07:22:01.916702+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Owens Corning amends advance notice bylaws following Delaware court ruling on beneficial ownership disclosures

## Summary
- Board adopted amendments to the company's Fourth Amended and Restated Bylaws on Aug 26, 2024.
- Amendments update advance notice requirements for stockholder nominations and business proposals.
- Changes require expanded disclosure of beneficial ownership, including derivative interests, per recent Delaware ruling.
- No change to fiscal year; amendments effective immediately upon Board adoption.

## SEC filing metadata
- accession: 0001370946-24-000223
- form_type: 8-K
- ticker: OC
- cik: 0001370946
- company_name: Owens Corning
- filed_at: 2024-08-27T23:59:59+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/1370946/000137094624000223/0001370946-24-000223-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1370946/000137094624000223/oc-20240826.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001370946-24-000223
- JSON: https://secwatch.observer/filing/0001370946-24-000223.json
- Plain text: https://secwatch.observer/filing/0001370946-24-000223.txt

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