UPSTREAM BIO INC

Ticker: UPB CUSIP: 91678A107 Class: Common Stock

Deep Track Capital, LP's Holding History (CIK: 0001856083)

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

Q2 2025

Shares 1,442,767 Value ($000) $15,842 Avg Close $9.24 Range $5.14 - $12.10

Q1 2025

Shares 2,299,567 Value ($000) $14,073 Avg Close $9.55 Range $6.12 - $18.95

Q4 2024

Shares 1,000,000 Value ($000) $16,440 Avg Close $22.33 Range $14.97 - $29.46

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	1,442,767	$15,842	$9.24	$5.14 - $12.10
Q1 2025	2,299,567	$14,073	$9.55	$6.12 - $18.95
Q4 2024	1,000,000	$16,440	$22.33	$14.97 - $29.46