---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-118474"
form_type: "8-K"
ticker: "XRN"
cik: "0001533615"
company_name: "Chiron Real Estate Inc."
filed_at: "2025-12-04T23:59:59+00:00"
generated_at: "2026-05-16T14:38:34.345380+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Director Ronald Marston to retire at 2026 annual meeting

## Summary
- Ronald Marston notified board on December 3, 2025 of intent to retire as director.
- Retirement effective at the 2026 Annual Meeting of Stockholders; he will not be nominated for reelection.
- No replacement announced; board will fill vacancy in due course.
- Marston's decision not due to any disagreement with the company.

## SEC filing metadata
- accession: 0001104659-25-118474
- form_type: 8-K
- ticker: XRN
- cik: 0001533615
- company_name: Chiron Real Estate Inc.
- filed_at: 2025-12-04T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1533615/000110465925118474/0001104659-25-118474-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1533615/000110465925118474/tm2532760d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-118474
- JSON: https://secwatch.observer/filing/0001104659-25-118474.json
- Plain text: https://secwatch.observer/filing/0001104659-25-118474.txt

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