SPERO THERAPEUTICS INC

Ticker: SPRO CUSIP: 84833T103 Class: COM

LOS ANGELES CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001177206)

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

Q1 2021

Shares 27,960 Value ($000) $412 Avg Close $17.60 Range $12.70 - $22.23

Q4 2020

Shares 22,257 Value ($000) $432 Avg Close $15.59 Range $11.03 - $23.64

Q3 2020

Shares 30,807 Value ($000) $344 Avg Close $11.83 Range $8.50 - $14.37

Q2 2020

Shares 36,000 Value ($000) $487 Avg Close $11.23 Range $6.88 - $14.48

Q1 2020

Shares 15,183 Value ($000) $123 Avg Close $8.81 Range $5.25 - $10.84

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	27,960	$412	$17.60	$12.70 - $22.23
Q4 2020	22,257	$432	$15.59	$11.03 - $23.64
Q3 2020	30,807	$344	$11.83	$8.50 - $14.37
Q2 2020	36,000	$487	$11.23	$6.88 - $14.48
Q1 2020	15,183	$123	$8.81	$5.25 - $10.84