---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-083702"
form_type: "8-K"
ticker: "MAT"
cik: "0000063276"
company_name: "MATTEL INC /DE/"
filed_at: "2023-03-29T23:59:59+00:00"
generated_at: "2026-06-17T11:21:53.403240+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Mattel appoints Noreena Hertz to board of directors, effective March 29

## Summary
- Board expands from 10 to 11 members; Hertz joins Governance and Social Responsibility Committee.
- Hertz receives pro-rated annual cash retainer of $26,250 and RSUs valued at $38,750.
- Hertz is a global economist, author, and board member of Warner Music Group and Workhuman.

## SEC filing metadata
- accession: 0001193125-23-083702
- form_type: 8-K
- ticker: MAT
- cik: 0000063276
- company_name: MATTEL INC /DE/
- filed_at: 2023-03-29T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/63276/000119312523083702/0001193125-23-083702-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/63276/000119312523083702/d485083d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-083702
- JSON: https://secwatch.observer/filing/0001193125-23-083702.json
- Plain text: https://secwatch.observer/filing/0001193125-23-083702.txt

## Key facts
- Executive change
  Noreena Hertz was elected as Director at MATTEL INC /DE/.
  - Action: elected
  - Role: Director
  source text: On March 23, 2023, the Board of Directors (the “Board”) of Mattel, Inc. (“Mattel” or the “Company”) elected Noreena Hertz as a new director of Mattel, appointed Professor Hertz to the Governance and Social Responsibility Committee of the Board, and approved an increase in the size of the Board from 10 to 11 directors, in each case effective March 29, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/63276/000119312523083702/0001193125-23-083702-index.htm

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