ARCELLX INC

Ticker: ACLX CUSIP: 03940C100 Class: Common Stock

Vanguard Personalized Indexing Management, LLC's Holding History (CIK: 0001767306)

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

Q4 2025

Shares 3,526 Value ($000) $230 Avg Close $79.78 Range $63.03 - $94.07

Q3 2025

Shares 3,805 Value ($000) $312 Avg Close $71.99 Range $63.13 - $83.08

Q2 2025

Shares 3,428 Value ($000) $226 Avg Close $62.26 Range $47.86 - $69.84

Q1 2025

Shares 3,200 Value ($000) $210 Avg Close $67.74 Range $57.17 - $81.00

Q4 2024

Shares 2,809 Value ($000) $215 Avg Close $86.39 Range $73.33 - $107.37

Q3 2024

Shares 2,597 Value ($000) $217 Avg Close $66.59 Range $49.00 - $88.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,526	$230	$79.78	$63.03 - $94.07
Q3 2025	3,805	$312	$71.99	$63.13 - $83.08
Q2 2025	3,428	$226	$62.26	$47.86 - $69.84
Q1 2025	3,200	$210	$67.74	$57.17 - $81.00
Q4 2024	2,809	$215	$86.39	$73.33 - $107.37
Q3 2024	2,597	$217	$66.59	$49.00 - $88.66