ALECTOR INC

Ticker: ALEC CUSIP: 014442107 Class: COM

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 7,147,766 Value ($000) $11,151 Avg Close $1.77 Range $1.09 - $3.40

Q3 2025

Shares 7,197,973 Value ($000) $21,306 Avg Close $2.20 Range $1.34 - $3.28

Q2 2025

Shares 7,973,580 Value ($000) $11,163 Avg Close $1.25 Range $0.87 - $1.69

Q1 2025

Shares 8,279,702 Value ($000) $10,184 Avg Close $1.63 Range $1.20 - $2.15

Q4 2024

Shares 9,136,747 Value ($000) $17,268 Avg Close $3.76 Range $1.68 - $6.14

Q3 2024

Shares 9,352,044 Value ($000) $43,581 Avg Close $5.36 Range $4.22 - $6.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,147,766	$11,151	$1.77	$1.09 - $3.40
Q3 2025	7,197,973	$21,306	$2.20	$1.34 - $3.28
Q2 2025	7,973,580	$11,163	$1.25	$0.87 - $1.69
Q1 2025	8,279,702	$10,184	$1.63	$1.20 - $2.15
Q4 2024	9,136,747	$17,268	$3.76	$1.68 - $6.14
Q3 2024	9,352,044	$43,581	$5.36	$4.22 - $6.78