Yu Jonathan Yen-Wen bought IRON

June 16, 2026 · Form 4 insider transaction

Yu Jonathan Yen-Wen bought 5,261 shares of Disc Medicine, Inc. at $9.86 per share, a transaction worth $51.9K. 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
5,261
Price
$9.86
Total value
$51.9K
RoleOfficer
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateJune 16, 2026
Filing dateJune 18, 2026
Shares owned after59,585
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