Bitterman Kevin sold IRON

October 8, 2025 · Form 4 insider transaction

Bitterman Kevin sold 8,219 shares of Disc Medicine, Inc. at $68.26 per share, a transaction worth $561.0K. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Disposed (sell-side)
Shares
8,219
Price
$68.26
Total value
$561.0K
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateOctober 8, 2025
Filing dateOctober 9, 2025
Shares owned after564,363
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.01 to $69.00 inclusive.; These shares are held by Atlas Venture Opportunity Fund I, LP ("Opportunity I"). The general partner of Opportunity I is Atlas Venture Associates Opportunity I, LP ("Associates I"). Atlas Venture Associates Opportunity I, LLC ("Associates I LLC") is the general partner of Associates I. The Reporting Person is a member of Associates I LLC and disclaims beneficial ownership of such securities held by Opportunity I, except to the extent of his pecuniary interest therein, if any.

View the original Form 4 on SEC EDGAR