Quisel John D sold IRON

August 17, 2026 · Form 4 insider transaction

Quisel John D sold 8,400 shares of Disc Medicine, Inc. at $78.11 per share, a transaction worth $656.1K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Disposed (sell-side)
Shares
8,400
Price
$78.11
Total value
$656.1K
RoleOfficer, Director
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateAugust 17, 2026
Filing dateAugust 18, 2026
Shares owned after250,664
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 12, 2026.; The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.50 to $78.49, 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 (2), (3) and (4) to this Form 4.

View the original Form 4 on SEC EDGAR