ARCELLX INC

Ticker: ACLX CUSIP: 03940C100 Class: Common Stock

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2025

Shares 214,776 Value ($000) $14,003 Avg Close $79.78 Range $63.03 - $94.07

Q3 2025

Shares 232,199 Value ($000) $19,064 Avg Close $71.99 Range $63.13 - $83.08

Q2 2025

Shares 241,409 Value ($000) $15,897 Avg Close $62.26 Range $47.86 - $69.84

Q1 2025

Shares 18,439 Value ($000) $1,210 Avg Close $67.74 Range $57.17 - $81.00

Q4 2024

Shares 19,693 Value ($000) $1,510 Avg Close $86.39 Range $73.33 - $107.37

Q3 2024

Shares 20,968 Value ($000) $1,751 Avg Close $66.59 Range $49.00 - $88.66

Q2 2024

Shares 18,200 Value ($000) $1,004 Avg Close $54.36 Range $47.88 - $69.19

Q1 2024

Shares 15,697 Value ($000) $1,092 Avg Close $63.42 Range $51.37 - $75.10

Q4 2023

Shares 14,069 Value ($000) $781 Avg Close $45.11 Range $30.88 - $59.10

Q3 2023

Shares 57,634 Value ($000) $2,068 Avg Close $34.48 Range $30.74 - $37.73

Q2 2023

Shares 56,202 Value ($000) $1,777 Avg Close $38.23 Range $27.28 - $48.91

Q1 2023

Shares 112,463 Value ($000) $3,465 Avg Close $30.34 Range $26.32 - $35.26

Q4 2022

Shares 68,669 Value ($000) $2,127 Avg Close $22.94 Range $16.97 - $33.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	214,776	$14,003	$79.78	$63.03 - $94.07
Q3 2025	232,199	$19,064	$71.99	$63.13 - $83.08
Q2 2025	241,409	$15,897	$62.26	$47.86 - $69.84
Q1 2025	18,439	$1,210	$67.74	$57.17 - $81.00
Q4 2024	19,693	$1,510	$86.39	$73.33 - $107.37
Q3 2024	20,968	$1,751	$66.59	$49.00 - $88.66
Q2 2024	18,200	$1,004	$54.36	$47.88 - $69.19
Q1 2024	15,697	$1,092	$63.42	$51.37 - $75.10
Q4 2023	14,069	$781	$45.11	$30.88 - $59.10
Q3 2023	57,634	$2,068	$34.48	$30.74 - $37.73
Q2 2023	56,202	$1,777	$38.23	$27.28 - $48.91
Q1 2023	112,463	$3,465	$30.34	$26.32 - $35.26
Q4 2022	68,669	$2,127	$22.94	$16.97 - $33.99