---
schema_version: "secwatch.filing_event.v1"
accession: "0000773141-25-000017"
form_type: "8-K"
ticker: null
cik: "0000773141"
company_name: "SEKISUI HOUSE U.S., INC."
filed_at: "2025-09-08T23:59:59+00:00"
generated_at: "2026-05-17T07:48:45.696106+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# M.D.C. Holdings changes name to Sekisui House U.S., Inc. and ceases SEC reporting

## Summary
- Name change from M.D.C. Holdings, Inc. to Sekisui House U.S., Inc. effective September 4, 2025.
- Company no longer has any class of securities registered under Sections 12(b), 12(g), or 15(d).
- Company may discontinue voluntary SEC filings at any time.
- Amended and Restated Certificate of Incorporation and Bylaws filed as exhibits.

## SEC filing metadata
- accession: 0000773141-25-000017
- form_type: 8-K
- cik: 0000773141
- company_name: SEKISUI HOUSE U.S., INC.
- filed_at: 2025-09-08T23:59:59+00:00
- event_type: other_material
- sentiment: negative
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/773141/000077314125000017/0000773141-25-000017-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/773141/000077314125000017/mdc-20250904.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000773141-25-000017
- JSON: https://secwatch.observer/filing/0000773141-25-000017.json
- Plain text: https://secwatch.observer/filing/0000773141-25-000017.txt

## Key facts
- Governance Changes
  SEKISUI HOUSE U.S., INC.: Amended and restated Certificate of Incorporation to change company name to Sekisui House U.S., Inc. and update process agent (effective 2025-09-04).
  - Change: charter amendment
  - Effective: 2025-09-04
  source text: Effective September 4, 2025, M.D.C. Holdings, Inc. (the “Company”) amended and restated its Certificate of Incorporation by filing on such date with the Secretary of State of the State of Delaware its Amended and Restated Certificate of Incorporation (the “A&R Certificate”). Pursuant to the A&R Certificate, the Company changed its name to Sekisui House U.S., Inc. and updated its process agent.
  evidence_url: https://www.sec.gov/Archives/edgar/data/773141/000077314125000017/0000773141-25-000017-index.htm
- Governance Changes
  SEKISUI HOUSE U.S., INC.: Amended and restated Bylaws to update company name to Sekisui House U.S., Inc (effective 2025-09-04).
  - Change: bylaw amendment
  - Effective: 2025-09-04
  source text: The Company also amended and restated its Bylaws, effective September 4, 2025 (the “A&R Bylaws”) which updated the Company’s name to Sekisui House U.S., Inc.
  evidence_url: https://www.sec.gov/Archives/edgar/data/773141/000077314125000017/0000773141-25-000017-index.htm

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