UPSTREAM BIO INC

Ticker: UPB CUSIP: 91678A107 Class: Common Stock

DIADEMA PARTNERS LP's Holding History (CIK: 0002026172)

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

Q4 2025

Shares 20,500 Value ($000) $557 Avg Close $24.89 Range $18.05 - $33.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,500	$557	$24.89	$18.05 - $33.00