William Jacob Savage - 22 Dec 2025 Form 4 Insider Report for Disc Medicine, Inc. (IRON)

Role
Chief Medical Officer
Signature
By: /s/ Rahul Khara, as Attorney-in-Fact
Issuer symbol
IRON
Transactions as of
22 Dec 2025
Net transactions value
+$31,350
Form type
4
Filing time
29 Dec 2025, 20:50:19 UTC
Previous filing
16 Dec 2025
Next filing
11 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Savage William Jacob Chief Medical Officer C/O DISC MEDICINE, INC., 321 ARSENAL STREET, SUITE 101, WATERTOWN By: /s/ Rahul Khara, as Attorney-in-Fact 29 Dec 2025 0001951852

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IRON Common Stock Options Exercise $27,854 +2,825 +3.7% $9.86 78,527 22 Dec 2025 Direct
transaction IRON Common Stock Options Exercise $2,159 +219 +0.28% $9.86 78,746 22 Dec 2025 Direct
transaction IRON Common Stock Options Exercise $1,336 +99 +0.13% $13.50 78,845 22 Dec 2025 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction IRON Stock Option (Right to Buy) Options Exercise $0 -2,825 -44% $0.000000 3,550 22 Dec 2025 Common Stock 2,825 $9.86 Direct F1
transaction IRON Stock Option (Right to Buy) Options Exercise $0 -219 -7.7% $0.000000 2,628 22 Dec 2025 Common Stock 219 $9.86 Direct F1
transaction IRON Stock Option (Right to Buy) Options Exercise $0 -99 -0.33% $0.000000 29,905 22 Dec 2025 Common Stock 99 $13.50 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The shares underlying this option are fully vested and exercisable as of the date hereof
F2 The shares underlying this option vest in 48 equal monthly installments following December 29, 2022, subject to the Reporting Person's continued service on each such vesting date.