AI DMI LLC - 20 Oct 2025 SCHEDULE 13D/A Report for DISC MEDICINE, INC. Common Stock, par value $0.0001 per share (IRON)

Filing manager: AI DMI LLC
Reporting owner: AI DMI LLC
Security: DISC MEDICINE, INC. Common Stock, par value $0.0001 per share
Beneficially owned shares: 3,018,460 shares
Large-stake signal: Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Ownership
8%
Beneficial ownership of this reported class.
Shares
3,018,460 shares
Shares beneficially owned as disclosed.
Event date
20 Oct 2025
Date tied to the ownership event or amendment.
Accepted by SEC
22 Oct 2025
EDGAR acceptance date.
How to read this large-stake filing
Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
Compare this filing with the holder history and issuer page before treating the percentage as a current position.
Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Class ownership: 8%
Symbol: IRON
Shares outstanding: 37,730,750 shares
SEC form: SCHEDULE 13D/A
Accepted by SEC: 22 Oct 2025, 21:44:23 UTC
Event date: 20 Oct 2025
Prior SEC filing: 03 Mar 2025
Source filing: View source filing

Key filing fact

AI DMI LLC disclosed 8% ownership in DISC MEDICINE, INC. Common Stock, par value $0.0001 per share (IRON) on 20 Oct 2025.

Key facts

AI DMI LLC filed SCHEDULE 13D/A for DISC MEDICINE, INC. Common Stock, par value $0.0001 per share (IRON).
Disclosed ownership: 8%.
Date of event: 20 Oct 2025.

This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

Reporting persons

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name	Ownership	Shares owned	Sole voting power	Shared voting power	Signature	Title	CIK
AI DMI LLC	8%	3,018,460	3,018,460	0	/s/ Alejandro Moreno	By: Access Industries Management, LLC, its manager; its Executive Vice President, General Counsel/Alejandro Moreno	0001890993
Access Industries Holdings LLC	8%	3,018,460	0	3,018,460	/s/ Alejandro Moreno	By: Access Industries Management, LLC, its manager; its Executive Vice President, General Counsel/Alejandro Moreno	0001391297
Access Industries Management, LLC	8%	3,018,460	0	3,018,460	/s/ Alejandro Moreno	Executive Vice President, General Counsel/Alejandro Moreno	0001508226
Len Blavatnik	8%	3,018,460	0	3,018,460	/s/ Alejandro Moreno	By: Alejandro Moreno as Attorney-in-Fact	0001326628

CIK / CUSIP context first

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