DISC MEDICINE INC

Ticker: IRON CUSIP: 254604101 Class: Common Stock

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025

Shares 70 Value ($000) $6 Avg Close $84.50 Range $65.26 - $99.50

Q3 2025

Shares 194 Value ($000) $13 Avg Close $59.49 Range $51.01 - $68.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	70	$6	$84.50	$65.26 - $99.50
Q3 2025	194	$13	$59.49	$51.01 - $68.43