ARCELLX INC

Ticker: ACLX CUSIP: 03940C100 Class: Common Stock

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

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

Q3 2025

Shares 166,825 Value ($000) $13,696 Avg Close $71.99 Range $63.13 - $83.08

Q2 2025

Shares 166,825 Value ($000) $10,985 Avg Close $62.26 Range $47.86 - $69.84

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	166,825	$13,696	$71.99	$63.13 - $83.08
Q2 2025	166,825	$10,985	$62.26	$47.86 - $69.84