DISC MEDICINE INC

Ticker: IRON CUSIP: 254604101 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 7,767 Value ($000) $617 Avg Close $84.50 Range $65.26 - $99.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,767	$617	$84.50	$65.26 - $99.50