---
schema_version: "secwatch.filing_event.v1"
accession: "0000773141-24-000020"
form_type: "8-K"
ticker: null
cik: "0000773141"
company_name: "SEKISUI HOUSE U.S., INC."
filed_at: "2024-04-23T23:59:59+00:00"
generated_at: "2026-06-03T12:57:25.247211+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# M.D.C. Holdings grants affiliate of Executive Chairman option to extend sublease through Oct 2028

## Summary
- Amendment with CVentures (affiliate of Chairman Larry A. Mizel) extends sublease term option up to two years.
- Additional extension term expires no later than October 21, 2028; sublease ends if master lease terminates earlier.
- Base rent during extension equals Subtenant's 3.77% proportionate share of master lease base rent.
- Sublease covers 5,437 square feet in Denver building; no master lessor consent required.
- Related-party transaction: CVentures is an affiliate of M.D.C. Holdings' Executive Chairman.

## SEC filing metadata
- accession: 0000773141-24-000020
- form_type: 8-K
- cik: 0000773141
- company_name: SEKISUI HOUSE U.S., INC.
- filed_at: 2024-04-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/773141/000077314124000020/0000773141-24-000020-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/773141/000077314124000020/mdc-20240418.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000773141-24-000020
- JSON: https://secwatch.observer/filing/0000773141-24-000020.json
- Plain text: https://secwatch.observer/filing/0000773141-24-000020.txt

## Key facts
- Material Agreements
  SEKISUI HOUSE U.S., INC. amended First Amendment to Sublease Agreement with CVentures, Inc. (effective 2024-04-18).
  - Action: amendment
  - Agreement: lease
  - Counterparty: CVentures, Inc.
  - Effective: 2024-04-18
  source text: Effective April 18, 2024, M.D.C. Holdings, Inc. (the “Company”) entered into a First Amendment to Sublease Agreement with CVentures, Inc., an affiliate of Larry A. Mizel, the Company’s Executive Chairman.
  evidence_url: https://www.sec.gov/Archives/edgar/data/773141/000077314124000020/0000773141-24-000020-index.htm

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