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Filing Detail
Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
SEC Accession No. 0001387131-23-002058
Filing Date
2023-02-14
Accepted
2023-02-14 16:14:52
Documents
2
Group Members
ATLAS VENTURE ASSOCIATES OPPORTUNITY I, L.P.ATLAS VENTURE ASSOCIATES OPPORTUNITY I, LLCATLAS VENTURE ASSOCIATES OPPORTUNITY II, L.P.ATLAS VENTURE ASSOCIATES OPPORTUNITY II, LLCATLAS VENTURE ASSOCIATES X, L.P.ATLAS VENTURE ASSOCIATES X, LLCATLAS VENTURE AS

Document Format Files

Seq Description Document Type Size
1 AMENDMENT TO FORM SC 13D iron-sc13da_122922.htm SC 13D/A 207300
2 JOINT AGREEMENT ex-1.htm EX-1 19101
  Complete submission text file 0001387131-23-002058.txt   228713
Mailing Address 400 TECHNOLOGY SQUARE 10TH FLOOR CAMBRIDGE MA 02139
Business Address 400 TECHNOLOGY SQUARE 10TH FLOOR CAMBRIDGE MA 02139 857-201-2700
Atlas Venture Fund X, L.P. (Filed by) CIK: 0001628098 (see all company filings)

IRS No.: 472435989 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A

Mailing Address 300 ONE KENDALL SQUARE, 3RD FLOOR CAMBRIDGE MA 02139
Business Address 300 ONE KENDALL SQUARE, 3RD FLOOR CAMBRIDGE MA 02139 (617) 401-4400
Disc Medicine, Inc. (Subject) CIK: 0001816736 (see all company filings)

IRS No.: 851613057 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-91633 | Film No.: 23629461
SIC: 2834 Pharmaceutical Preparations