ALECTOR INC

Ticker: ALEC CUSIP: 014442107 Class: COM

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2025

Shares 665,491 Value ($000) $1,038 Avg Close $1.77 Range $1.09 - $3.40

Q3 2025

Shares 689,524 Value ($000) $2,041 Avg Close $2.20 Range $1.34 - $3.28

Q2 2025

Shares 647,653 Value ($000) $907 Avg Close $1.25 Range $0.87 - $1.69

Q1 2025

Shares 624,730 Value ($000) $768 Avg Close $1.63 Range $1.20 - $2.15

Q4 2024

Shares 643,456 Value ($000) $1,216 Avg Close $3.76 Range $1.68 - $6.14

Q3 2024

Shares 760,606 Value ($000) $3,544 Avg Close $5.36 Range $4.22 - $6.78

Q2 2024

Shares 666,461 Value ($000) $3,026 Avg Close $5.15 Range $4.11 - $6.25

Q1 2024

Shares 674,790 Value ($000) $4,062 Avg Close $6.54 Range $5.49 - $8.90

Q4 2023

Shares 499,529 Value ($000) $3,986 Avg Close $5.92 Range $3.66 - $8.76

Q3 2023

Shares 482,222 Value ($000) $3,125 Avg Close $6.47 Range $4.98 - $9.06

Q2 2023

Shares 469,653 Value ($000) $2,823 Avg Close $6.98 Range $5.65 - $8.04

Q1 2023

Shares 458,947 Value ($000) $2,841 Avg Close $8.13 Range $5.76 - $9.86

Q4 2022

Shares 455,449 Value ($000) $4,204 Avg Close $8.72 Range $6.84 - $9.76

Q3 2022

Shares 445,271 Value ($000) $4,213 Avg Close $10.81 Range $8.15 - $13.50

Q2 2022

Shares 428,008 Value ($000) $4,349 Avg Close $9.97 Range $7.50 - $14.63

Q1 2022

Shares 422,696 Value ($000) $6,024 Avg Close $15.82 Range $11.41 - $21.25

Q4 2021

Shares 412,768 Value ($000) $8,524 Avg Close $22.55 Range $18.61 - $27.00

Q3 2021

Shares 406,112 Value ($000) $9,268 Avg Close $28.01 Range $20.71 - $43.32

Q2 2021

Shares 374,193 Value ($000) $7,795 Avg Close $18.85 Range $15.04 - $23.42

Q1 2021

Shares 345,636 Value ($000) $6,962 Avg Close $17.93 Range $14.66 - $23.99

Q4 2020

Shares 334,140 Value ($000) $5,056 Avg Close $12.43 Range $9.12 - $17.31

Q3 2020

Shares 334,775 Value ($000) $3,527 Avg Close $16.17 Range $10.45 - $25.73

Q2 2020

Shares 270,504 Value ($000) $6,612 Avg Close $27.60 Range $21.26 - $34.89

Q1 2020

Shares 227,910 Value ($000) $5,500 Avg Close $25.49 Range $15.63 - $35.93

Q4 2019

Shares 182,374 Value ($000) $3,143 Avg Close $17.00 Range $13.71 - $21.03

Q3 2019

Shares 178,352 Value ($000) $2,572 Avg Close $18.05 Range $13.64 - $22.41

Q2 2019

Shares 56,744 Value ($000) $1,079 Avg Close $20.30 Range $15.78 - $27.00

Q1 2019

Shares 46,973 Value ($000) $880 Avg Close $18.92 Range $15.16 - $23.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	665,491	$1,038	$1.77	$1.09 - $3.40
Q3 2025	689,524	$2,041	$2.20	$1.34 - $3.28
Q2 2025	647,653	$907	$1.25	$0.87 - $1.69
Q1 2025	624,730	$768	$1.63	$1.20 - $2.15
Q4 2024	643,456	$1,216	$3.76	$1.68 - $6.14
Q3 2024	760,606	$3,544	$5.36	$4.22 - $6.78
Q2 2024	666,461	$3,026	$5.15	$4.11 - $6.25
Q1 2024	674,790	$4,062	$6.54	$5.49 - $8.90
Q4 2023	499,529	$3,986	$5.92	$3.66 - $8.76
Q3 2023	482,222	$3,125	$6.47	$4.98 - $9.06
Q2 2023	469,653	$2,823	$6.98	$5.65 - $8.04
Q1 2023	458,947	$2,841	$8.13	$5.76 - $9.86
Q4 2022	455,449	$4,204	$8.72	$6.84 - $9.76
Q3 2022	445,271	$4,213	$10.81	$8.15 - $13.50
Q2 2022	428,008	$4,349	$9.97	$7.50 - $14.63
Q1 2022	422,696	$6,024	$15.82	$11.41 - $21.25
Q4 2021	412,768	$8,524	$22.55	$18.61 - $27.00
Q3 2021	406,112	$9,268	$28.01	$20.71 - $43.32
Q2 2021	374,193	$7,795	$18.85	$15.04 - $23.42
Q1 2021	345,636	$6,962	$17.93	$14.66 - $23.99
Q4 2020	334,140	$5,056	$12.43	$9.12 - $17.31
Q3 2020	334,775	$3,527	$16.17	$10.45 - $25.73
Q2 2020	270,504	$6,612	$27.60	$21.26 - $34.89
Q1 2020	227,910	$5,500	$25.49	$15.63 - $35.93
Q4 2019	182,374	$3,143	$17.00	$13.71 - $21.03
Q3 2019	178,352	$2,572	$18.05	$13.64 - $22.41
Q2 2019	56,744	$1,079	$20.30	$15.78 - $27.00
Q1 2019	46,973	$880	$18.92	$15.16 - $23.84