---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-231911"
form_type: "8-K"
ticker: "IRON"
cik: "0001816736"
company_name: "Disc Medicine, Inc."
filed_at: "2025-10-06T23:59:59+00:00"
generated_at: "2026-05-17T04:36:50.944616+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.2
confidence: "high"
source: SEC EDGAR
---

# Disc Medicine director Mona Ashiya resigns; board reduced to eight members

## Summary
- Mona Ashiya, Ph.D., resigned as Class I director effective October 3, 2025.
- She also left the Compensation and Nominating/Corporate Governance Committees.
- Resignation was not due to any disagreement with the Company.
- Board size decreased from nine to eight members.

## SEC filing metadata
- accession: 0001193125-25-231911
- form_type: 8-K
- ticker: IRON
- cik: 0001816736
- company_name: Disc Medicine, Inc.
- filed_at: 2025-10-06T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.2
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1816736/000119312525231911/0001193125-25-231911-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1816736/000119312525231911/iron-20251003.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-231911
- JSON: https://secwatch.observer/filing/0001193125-25-231911.json
- Plain text: https://secwatch.observer/filing/0001193125-25-231911.txt

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