---
schema_version: "secwatch.filing_event.v1"
accession: "0000773141-24-000046"
form_type: "8-K"
ticker: null
cik: "0000773141"
company_name: "SEKISUI HOUSE U.S., INC."
filed_at: "2024-10-31T23:59:59+00:00"
generated_at: "2026-05-30T07:49:12.964940+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# MDC Holdings founder/CEO to depart Dec 31; $21M total severance

## Summary
- Founder/Executive Chairman Larry Mizel and CEO David Mandarich departing Dec 31, 2024.
- Mizel receives approx $11M lump sum; Mandarich approx $10M per amended employment agreement.
- Departures follow MDC's acquisition by Sekisui House earlier in 2024.
- Sekisui House expresses gratitude; says leadership positively influenced the organization.

## SEC filing metadata
- accession: 0000773141-24-000046
- form_type: 8-K
- cik: 0000773141
- company_name: SEKISUI HOUSE U.S., INC.
- filed_at: 2024-10-31T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/773141/000077314124000046/0000773141-24-000046-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/773141/000077314124000046/mdc-20241028.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000773141-24-000046
- JSON: https://secwatch.observer/filing/0000773141-24-000046.json
- Plain text: https://secwatch.observer/filing/0000773141-24-000046.txt

## Key facts
- Executive change
  Larry A. Mizel departed as Founder Executive Chairman of the Board of Directors at SEKISUI HOUSE U.S., INC..
  - Action: departure
  - Role: Founder Executive Chairman of the Board of Directors
  source text: On October 28, 2024, the Board of Directors of M.D.C. Holdings, Inc. ("MDC") approved the departure planned for December 31, 2024 of Larry A. Mizel, MDC’s Founder Executive Chairman of the Board of Directors, and David D. Mandarich, MDC’s President, Chief Executive Officer and Director.
  evidence_url: https://www.sec.gov/Archives/edgar/data/773141/000077314124000046/0000773141-24-000046-index.htm
- Executive change
  David D. Mandarich departed as President, Chief Executive Officer and Director at SEKISUI HOUSE U.S., INC..
  - Action: departure
  - Role: President, Chief Executive Officer and Director
  source text: On October 28, 2024, the Board of Directors of M.D.C. Holdings, Inc. ("MDC") approved the departure planned for December 31, 2024 of Larry A. Mizel, MDC’s Founder Executive Chairman of the Board of Directors, and David D. Mandarich, MDC’s President, Chief Executive Officer and Director.
  evidence_url: https://www.sec.gov/Archives/edgar/data/773141/000077314124000046/0000773141-24-000046-index.htm

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