ALECTOR INC

Ticker: ALEC CUSIP: 014442107 Class: COM

LORD, ABBETT & CO. LLC's Holding History (CIK: 0000728100)

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

Q2 2020

Shares 172,255 Value ($000) $4,210 Avg Close $27.60 Range $21.26 - $34.89

Q1 2020

Shares 264,069 Value ($000) $6,372 Avg Close $25.49 Range $15.63 - $35.93

Q4 2019

Shares 254,130 Value ($000) $4,378 Avg Close $17.00 Range $13.71 - $21.03

Q3 2019

Shares 320,992 Value ($000) $4,628 Avg Close $18.05 Range $13.64 - $22.41

Q2 2019

Shares 568,864 Value ($000) $10,809 Avg Close $20.30 Range $15.78 - $27.00

Q1 2019

Shares 494,126 Value ($000) $9,250 Avg Close $18.92 Range $15.16 - $23.84

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	172,255	$4,210	$27.60	$21.26 - $34.89
Q1 2020	264,069	$6,372	$25.49	$15.63 - $35.93
Q4 2019	254,130	$4,378	$17.00	$13.71 - $21.03
Q3 2019	320,992	$4,628	$18.05	$13.64 - $22.41
Q2 2019	568,864	$10,809	$20.30	$15.78 - $27.00
Q1 2019	494,126	$9,250	$18.92	$15.16 - $23.84