Bitterman Kevin sold IRON

December 15, 2025 · Form 4 insider transaction

Bitterman Kevin sold 11,427 shares of Disc Medicine, Inc. at $91.18 per share, a transaction worth $1.04M. 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
11,427
Price
$91.18
Total value
$1.04M
RoleDirector
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateDecember 15, 2025
Filing dateDecember 16, 2025
Shares owned after30,092
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 $91.00 to $91.99 inclusive.; These shares are held by Atlas Venture Fund XII, L.P. ("Atlas XII"). The general partner of Atlas XII is Atlas Venture Associates XII, L.P. ("Associates XII"). Atlas Venture Associates XII, LLC ("Associates XII LLC") is the general partner of Associates XII. The Reporting Person is a member of Associates XII LLC and disclaims beneficial ownership of such securities held by Atlas XII, except to the extent of his pecuniary interest therein, if any.

View the original Form 4 on SEC EDGAR