---
schema_version: "secwatch.filing_event.v1"
accession: "0001370946-26-000041"
form_type: "8-K"
ticker: "OC"
cik: "0001370946"
company_name: "Owens Corning"
filed_at: "2026-02-06T23:59:59+00:00"
generated_at: "2026-05-16T04:03:00.019560+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Director Maryann T. Mannen not standing for re-election at Owens Corning's 2026 annual meeting

## Summary
- Maryann T. Mannen will not stand for re-election at the 2026 Annual Meeting of Stockholders.
- Decision is not due to any disagreement with the company on operations, policies, or practices.
- Board intends to reduce size from 10 to 9 directors effective at the meeting.

## SEC filing metadata
- accession: 0001370946-26-000041
- form_type: 8-K
- ticker: OC
- cik: 0001370946
- company_name: Owens Corning
- filed_at: 2026-02-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1370946/000137094626000041/0001370946-26-000041-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1370946/000137094626000041/oc-20260204.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001370946-26-000041
- JSON: https://secwatch.observer/filing/0001370946-26-000041.json
- Plain text: https://secwatch.observer/filing/0001370946-26-000041.txt

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