---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-240523"
form_type: "8-K"
ticker: "MATV"
cik: "0001000623"
company_name: "Mativ Holdings, Inc."
filed_at: "2023-09-22T23:59:59+00:00"
generated_at: "2026-06-10T09:26:51.072492+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Mativ Holdings amends bylaws to comply with universal proxy rules

## Summary
- Stockholder nominating directors must solicit proxies from at least 67% of outstanding shares under Rule 14a-19.
- Any stockholder soliciting proxies must use a proxy card color other than white.
- Additional information and pre-meeting updates required from stockholders submitting nominations or proposals.
- Chairman of stockholder meetings is authorized to adjourn whether or not a quorum is present.
- Other conforming, technical, and ministerial changes made effective September 21, 2023.

## SEC filing metadata
- accession: 0001193125-23-240523
- form_type: 8-K
- ticker: MATV
- cik: 0001000623
- company_name: Mativ Holdings, Inc.
- filed_at: 2023-09-22T23:59:59+00:00
- event_type: other_material
- 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/1000623/000119312523240523/0001193125-23-240523-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1000623/000119312523240523/d542714d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-240523
- JSON: https://secwatch.observer/filing/0001193125-23-240523.json
- Plain text: https://secwatch.observer/filing/0001193125-23-240523.txt

## Key facts
- Governance Changes
  Mativ Holdings, Inc.: Amended and restated By-Laws to comply with universal proxy rules, including stockholder nomination representations, proxy card color requirements, additional information requirements, and meeting adjournment authority (effective 2023-09-21).
  - Change: bylaw amendment
  - Effective: 2023-09-21
  source text: On September 21, 2023, in connection with the universal proxy rules adopted by the U.S. Securities and Exchange Commission and related requirements and a periodic review of the By-Laws (the “By-Laws”) of Mativ Holdings, Inc. (the “Company”), the Board of Directors (the “Board”) of the Company amended and restated the Company’s By-Laws, effective as of the same date.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1000623/000119312523240523/0001193125-23-240523-index.htm

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