Quisel John D bought IRON

December 11, 2025 · Form 4 insider transaction

Quisel John D bought 40,000 shares of Disc Medicine, Inc. at $9.86 per share, a transaction worth $394.4K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Acquired (buy-side)
Shares
40,000
Price
$9.86
Total value
$394.4K
RoleOfficer, Director
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateDecember 11, 2025
Filing dateDecember 15, 2025
Shares owned after211,828
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

The transactions reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on February 13, 2025.

View the original Form 4 on SEC EDGAR