Yu Jonathan Yen-Wen bought IRON
August 12, 2026 · Form 4 insider transaction
Yu Jonathan Yen-Wen bought 804 shares of Disc Medicine, Inc. at $13.50 per share, a transaction worth $10.9K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
804
Price
$13.50
Total value
$10.9K
InsiderYu Jonathan Yen-Wen
RoleOfficer
CompanyDisc Medicine, Inc. (IRON)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateAugust 12, 2026
Filing dateAugust 14, 2026
Shares owned after55,128
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 17, 2026.