MBX BIOSCIENCES INC

Ticker: MBX CUSIP: 55287L101 Class: Common Stock

BAKER BROS. ADVISORS LP's Holding History (CIK: 0001263508)

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

Q3 2025

Shares 277,777 Value ($000) $4,861 Avg Close $13.37 Range $9.63 - $26.47

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	277,777	$4,861	$13.37	$9.63 - $26.47