ARCELLX INC

Ticker: ACLX CUSIP: 03940C100 Class: Common Stock

Caption Management, LLC's Holding History (CIK: 0001706766)

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

Q4 2025

Shares 1,825 Value ($000) $119 Avg Close $79.78 Range $63.03 - $94.07

Q3 2025

Shares 12,600 Value ($000) $1,034 Avg Close $71.99 Range $63.13 - $83.08

Q2 2025

Shares 26,756 Value ($000) $1,762 Avg Close $62.26 Range $47.86 - $69.84

Q1 2025

Shares 67,069 Value ($000) $4,400 Avg Close $67.74 Range $57.17 - $81.00

Q3 2024

Shares 37,580 Value ($000) $3,138 Avg Close $66.59 Range $49.00 - $88.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,825	$119	$79.78	$63.03 - $94.07
Q3 2025	12,600	$1,034	$71.99	$63.13 - $83.08
Q2 2025	26,756	$1,762	$62.26	$47.86 - $69.84
Q1 2025	67,069	$4,400	$67.74	$57.17 - $81.00
Q3 2024	37,580	$3,138	$66.59	$49.00 - $88.66