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Filing Details

Accession Number:: 0001209191-23-046110
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2023-08-16 18:55:32
Reporting Period:: 2023-08-14

Accepted Time:: 2023-08-16 18:55:32
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1816736	Disc Medicine Inc.	IRON	()	DE

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1628098	Atlas Venture Fund X, L.p.	300 Technology Square, 8Th Floor Cambridge MA 02139	No	No	Yes	No
1742765	Atlas Venture Associates X, Llc	300 Technology Square, 8Th Floor Cambridge MA 02139	No	No	Yes	No
1742766	Atlas Venture Associates X, L.p.	300 Technology Square, 8Th Floor Cambridge MA 02139	No	No	Yes	No
1759241	Atlas Venture Opportunity Fund I, L.p.	300 Technology Square, 8Th Floor Cambridge MA 02139	No	No	Yes	No
1780065	Atlas Venture Associates Opportunity I, L.p.	300 Technology Square, 8Th Floor Cambridge MA 02139	No	No	Yes	No
1780066	Atlas Venture Associates Opportunity I, Llc	300 Technology Square, 8Th Floor Cambridge MA	No	No	Yes	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2023-08-14	75,000	$52.00	2,162,303	No	4	S	Direct
Common Stock	Disposition	2023-08-14	98,000	$53.00	2,064,303	No	4	S	Direct
Common Stock	Disposition	2023-08-14	2,000	$54.80	2,062,303	No	4	S	Direct
Common Stock	Disposition	2023-08-15	111,069	$52.40	1,951,234	No	4	S	Direct
Common Stock	Disposition	2023-08-15	72,931	$52.40	882,224	No	4	S	Indirect	See footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Indirect	See footnote

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.00 to $52.22 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (3).
These shares are held directly by Atlas Venture Fund X, L.P. ("Atlas X"). Atlas Venture Associates X, L.P. ("Associates X") is the general partner of Atlas X. Atlas Venture Associates X, LLC ("Associates X LLC") is the general partner of Associates X. Each of Associates X and Associates X LLC disclaims Section 16 beneficial ownership of the securities held by Atlas X, except to the extent of its pecuniary interest therein, if any.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $54.48 to $54.94 inclusive.
These shares are held directly by Atlas Venture Opportunity Fund I, L.P. ("Atlas Opportunity I"). Atlas Venture Associates Opportunity I, L.P. ("Associates I") is the general partner of Atlas Opportunity I. Atlas Venture Associates Opportunity I, LLC ("Associates I LLC") is the general partner of Associates I. Each of Associates I and Associates I LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Opportunity I, except to the extent of its pecuniary interest therein, if any.