Yu Jonathan Yen-Wen bought IRON

August 25, 2026 · Form 4 insider transaction

Yu Jonathan Yen-Wen bought 8,796 shares of Disc Medicine, Inc. at $13.50 per share, a transaction worth $118.7K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Acquired (buy-side)
Shares
8,796
Price
$13.50
Total value
$118.7K
RoleOfficer
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateAugust 25, 2026
Filing dateAugust 26, 2026
Shares owned after63,120
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.

View the original Form 4 on SEC EDGAR