SPERO THERAPEUTICS INC

Ticker: SPRO CUSIP: 84833T103 Class: COM

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO's Holding History (CIK: 0001007280)

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

Q2 2020

Shares 11,630 Value ($000) $157 Avg Close $11.23 Range $6.88 - $14.48

Q1 2020

Shares 4,111 Value ($000) $33 Avg Close $8.81 Range $5.25 - $10.84

Q4 2019

Shares 2,415 Value ($000) $23 Avg Close $10.78 Range $8.74 - $12.46

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	11,630	$157	$11.23	$6.88 - $14.48
Q1 2020	4,111	$33	$8.81	$5.25 - $10.84
Q4 2019	2,415	$23	$10.78	$8.74 - $12.46