ARCELLX INC

Ticker: ACLX CUSIP: 03940C100 Class: Common Stock

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 20,918 Value ($000) $1,364 Avg Close $79.78 Range $63.03 - $94.07

Q3 2025

Shares 22,238 Value ($000) $1,826 Avg Close $71.99 Range $63.13 - $83.08

Q2 2025

Shares 25,550 Value ($000) $1,682 Avg Close $62.26 Range $47.86 - $69.84

Q1 2025

Shares 38,103 Value ($000) $2,500 Avg Close $67.74 Range $57.17 - $81.00

Q4 2024

Shares 34,332 Value ($000) $2,633 Avg Close $86.39 Range $73.33 - $107.37

Q3 2024

Shares 30,240 Value ($000) $2,525 Avg Close $66.59 Range $49.00 - $88.66

Q2 2024

Shares 39,165 Value ($000) $2,162 Avg Close $54.36 Range $47.88 - $69.19

Q1 2024

Shares 26,626 Value ($000) $1,852 Avg Close $63.42 Range $51.37 - $75.10

Q4 2023

Shares 31,381 Value ($000) $1,742 Avg Close $45.11 Range $30.88 - $59.10

Q3 2023

Shares 27,660 Value ($000) $992 Avg Close $34.48 Range $30.74 - $37.73

Q2 2023

Shares 24,718 Value ($000) $782 Avg Close $38.23 Range $27.28 - $48.91

Q1 2023

Shares 13,763 Value ($000) $424 Avg Close $30.34 Range $26.32 - $35.26

Q4 2022

Shares 15,312 Value ($000) $474 Avg Close $22.94 Range $16.97 - $33.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,918	$1,364	$79.78	$63.03 - $94.07
Q3 2025	22,238	$1,826	$71.99	$63.13 - $83.08
Q2 2025	25,550	$1,682	$62.26	$47.86 - $69.84
Q1 2025	38,103	$2,500	$67.74	$57.17 - $81.00
Q4 2024	34,332	$2,633	$86.39	$73.33 - $107.37
Q3 2024	30,240	$2,525	$66.59	$49.00 - $88.66
Q2 2024	39,165	$2,162	$54.36	$47.88 - $69.19
Q1 2024	26,626	$1,852	$63.42	$51.37 - $75.10
Q4 2023	31,381	$1,742	$45.11	$30.88 - $59.10
Q3 2023	27,660	$992	$34.48	$30.74 - $37.73
Q2 2023	24,718	$782	$38.23	$27.28 - $48.91
Q1 2023	13,763	$424	$30.34	$26.32 - $35.26
Q4 2022	15,312	$474	$22.94	$16.97 - $33.99