ALECTOR INC

Ticker: ALEC CUSIP: 014442107 Class: COM

Candriam S.C.A.'s Holding History (CIK: 0001537014)

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

Q1 2023

Shares 68,368 Value ($000) $390 Avg Close $8.13 Range $5.76 - $9.86

Q4 2022

Shares 97,938 Value ($000) $904 Avg Close $8.72 Range $6.84 - $9.76

Q3 2022

Shares 92,113 Value ($000) $871 Avg Close $10.81 Range $8.15 - $13.50

Q1 2021

Shares 154,783 Value ($000) $2,250 Avg Close $17.93 Range $14.66 - $23.99

Q4 2020

Shares 154,783 Value ($000) $2,342 Avg Close $12.43 Range $9.12 - $17.31

Q3 2020

Shares 160,474 Value ($000) $1,691 Avg Close $16.17 Range $10.45 - $25.73

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	68,368	$390	$8.13	$5.76 - $9.86
Q4 2022	97,938	$904	$8.72	$6.84 - $9.76
Q3 2022	92,113	$871	$10.81	$8.15 - $13.50
Q1 2021	154,783	$2,250	$17.93	$14.66 - $23.99
Q4 2020	154,783	$2,342	$12.43	$9.12 - $17.31
Q3 2020	160,474	$1,691	$16.17	$10.45 - $25.73