DISC MEDICINE INC

Ticker: IRON CUSIP: 254604101 Class: Common Stock

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q4 2025

Shares 282,409 Value ($000) $22,426 Avg Close $84.50 Range $65.26 - $99.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	282,409	$22,426	$84.50	$65.26 - $99.50