DISC MEDICINE INC

Ticker: IRON CUSIP: 254604101 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q4 2024

Shares 400 Value ($000) $25 Avg Close $57.84 Range $44.81 - $68.73

Q3 2024

Shares 478 Value ($000) $23 Avg Close $46.95 Range $40.48 - $52.60

Q2 2024

Shares 86 Value ($000) $4 Avg Close $33.98 Range $25.60 - $48.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	400	$25	$57.84	$44.81 - $68.73
Q3 2024	478	$23	$46.95	$40.48 - $52.60
Q2 2024	86	$4	$33.98	$25.60 - $48.45