ARCELLX INC

Ticker: ACLX CUSIP: 03940C100 Class: Common Stock

MASSMUTUAL TRUST CO FSB/ADV's Holding History (CIK: 0001103653)

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

Q4 2025

Shares 1 Value ($000) $0 Avg Close $79.78 Range $63.03 - $94.07

Q3 2025

Shares 1 Value ($000) $0 Avg Close $71.99 Range $63.13 - $83.08

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1	$0	$79.78	$63.03 - $94.07
Q3 2025	1	$0	$71.99	$63.13 - $83.08