<SEC-DOCUMENT>0001628098-25-000010-index.html : 20251217
<SEC-HEADER>0001628098-25-000010.hdr.sgml : 20251217
<ACCEPTANCE-DATETIME>20251217200746
ACCESSION NUMBER:		0001628098-25-000010
CONFORMED SUBMISSION TYPE:	SCHEDULE 13D/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20251217
DATE AS OF CHANGE:		20251217

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Disc Medicine, Inc.
		CENTRAL INDEX KEY:			0001816736
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				851612845
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91633
		FILM NUMBER:		251581003

	BUSINESS ADDRESS:	
		STREET 1:		321 ARSENAL STREET, SUITE 101
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472
		BUSINESS PHONE:		(617) 674-9274

	MAIL ADDRESS:	
		STREET 1:		321 ARSENAL STREET, SUITE 101
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Gemini Therapeutics, Inc. /DE
		DATE OF NAME CHANGE:	20210209

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FS Development Corp.
		DATE OF NAME CHANGE:	20200702

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Atlas Venture Fund X, L.P.
		CENTRAL INDEX KEY:			0001628098
		ORGANIZATION NAME:           	
		EIN:				472435989
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		400 TECHNOLOGY SQUARE
		STREET 2:		10TH FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		857-201-2700

	MAIL ADDRESS:	
		STREET 1:		400 TECHNOLOGY SQUARE
		STREET 2:		10TH FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13D/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex-99-12182025_011243.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
Document 2 - file: ex-99-12182025_011243.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>ex-99-12182025_011244.htm
<DESCRIPTION>TRANSACTIONS IN COMMON STOCK DURING THE PAST SIXTY DAYS
<TEXT>
Document 3 - file: ex-99-12182025_011244.htm

</DOCUMENT>
</SEC-DOCUMENT>