DISC MEDICINE INC

Ticker: IRON CUSIP: 254604101 Class: Common Stock

Trustees of Columbia University in the City of New York's Holding History (CIK: 0001420995)

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

Q3 2023

Shares 78,682 Value ($000) $3,696 Avg Close $50.02 Range $41.61 - $56.99

Q2 2023

Shares 110,488 Value ($000) $4,906 Avg Close $35.48 Range $20.05 - $57.70

Q1 2023

Shares 110,488 Value ($000) $2,341 Avg Close $22.28 Range $16.05 - $26.43

Q4 2022

Shares 110,488 Value ($000) $2 Avg Close $49.79 Range $15.00 - $63.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	78,682	$3,696	$50.02	$41.61 - $56.99
Q2 2023	110,488	$4,906	$35.48	$20.05 - $57.70
Q1 2023	110,488	$2,341	$22.28	$16.05 - $26.43
Q4 2022	110,488	$2	$49.79	$15.00 - $63.00