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$IRON All transactions

Disc Medicine, Inc.

▼ SELL 10b5-1 Plan

$ Value

$24K

Shares

395

Price

$61

Filed

Aug 7

Insider

Name

Bitterman Kevin

Title

CIK

0001591747

Roles

Director

Transaction Details

Transaction Date

2025-08-05

Code

S

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

625,082

Footnotes

Shares were sold pursuant to a Rule 10b5-1 trading plan dated January 31, 2025. | These shares are held by Atlas Venture Opportunity Fund I, LP ("Opportunity I"). The general partner of Opportunity I is Atlas Venture Associates Opportunity I, LP ("Associates I"). Atlas Venture Associates Opportunity I, LLC ("Associates I LLC") is the general partner of Associates I. The Reporting Person is a member of Associates I LLC and disclaims beneficial ownership of such securities held by Opportunity I, except to the extent of his pecuniary interest therein, if any. | These shares are held by Atlas Venture Opportunity Fund II, LP ("Opportunity II"). The general partner of Opportunity II is Atlas Venture Associates Opportunity II, LP ("Associates II"). Atlas Venture Associates Opportunity II, LLC ("Associates II LLC") is the general partner of Associates II. The Reporting Person is a member of Associates II LLC and disclaims beneficial ownership of such securities held by Opportunity II, except to the extent of his pecuniary interest therein, if any. | These shares are held by Atlas Venture Fund XII, L.P. ("Atlas XII"). The general partner of Atlas XII is Atlas Venture Associates XII, L.P. ("Associates XII"). Atlas Venture Associates XII, LLC ("Associates XII LLC") is the general partner of Associates XII. The Reporting Person is a member of Associates XII LLC and disclaims beneficial ownership of such securities held by Atlas XII, except to the extent of his pecuniary interest therein, if any.

Filing Info

Accession No.

0001415889-25-021281

Form Type

4

Issuer CIK

0001816736

Bitterman Kevin's History

Date Ticker Type Value
2025-12-17 IRON $36K
2025-12-17 IRON $19K
2025-12-17 IRON $14K
2025-12-16 IRON $3.3M
2025-12-16 IRON $1.7M
2025-12-16 IRON $1.3M
2025-12-15 IRON $2.6M
2025-12-15 IRON $361K
2025-12-15 IRON $1.4M
2025-12-15 IRON $189K

Other Insiders at IRON (90d)

Insider Bought Sold Last
Franchi Jean M.
Chief Financial Officer
$461K 2026-04-14
Savage William Jacob
Chief Medical Officer
$380K 2026-04-13