John D. Quisel - 17 Feb 2026 Form 4 Insider Report for Disc Medicine, Inc. (IRON)

Role
Chief Executive Officer, Director
Signature
By: /s/ Rahul Khara, as Attorney-in-Fact
Issuer symbol
IRON
Transactions as of
17 Feb 2026
Net transactions value
-$833,775
Form type
4
Filing time
17 Feb 2026, 21:03:45 UTC
Previous filing
11 Feb 2026
SEC
View on sec.gov

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Quoteable Key Fact

"John D. Quisel filed Form 4 for Disc Medicine, Inc. (IRON) on 17 Feb 2026."

Quick Takeaways

  • This page summarizes John D. Quisel's Form 4 filing for Disc Medicine, Inc. (IRON).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Filing timestamp: 17 Feb 2026, 21:03.

What Changed

  • Previous filing in this sequence was filed on 11 Feb 2026.
  • Current net transaction value: -$833,775.

Why This Matters

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Official SEC Source

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Quisel John D Chief Executive Officer, Director C/O DISC MEDICINE, INC., 321 ARSENAL STREET, SUITE 101, WATERTOWN By: /s/ Rahul Khara, as Attorney-in-Fact 17 Feb 2026 0001586788

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IRON Common Stock Sale $833,775 -13,264 -5.5% $62.86 226,064 17 Feb 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This transaction represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of certain restricted stock units previously reported in Table I. This sale is a "sell to cover" transaction and does not represent a discretionary transaction by the Reporting Person.

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