ARCELLX INC

Ticker: ACLX CUSIP: 03940C100 Class: Common Stock

Pier Capital, LLC's Holding History (CIK: 0001310051)

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

Q4 2025

Shares 59,063 Value ($000) $3,851 Avg Close $79.78 Range $63.03 - $94.07

Q3 2025

Shares 60,215 Value ($000) $4,944 Avg Close $71.99 Range $63.13 - $83.08

Q2 2025

Shares 63,634 Value ($000) $4,190 Avg Close $62.26 Range $47.86 - $69.84

Q1 2025

Shares 67,976 Value ($000) $4,459 Avg Close $67.74 Range $57.17 - $81.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	59,063	$3,851	$79.78	$63.03 - $94.07
Q3 2025	60,215	$4,944	$71.99	$63.13 - $83.08
Q2 2025	63,634	$4,190	$62.26	$47.86 - $69.84
Q1 2025	67,976	$4,459	$67.74	$57.17 - $81.00