SPERO THERAPEUTICS INC

Ticker: SPRO CUSIP: 84833T103 Class: COM

MetLife Investment Management, LLC's Holding History (CIK: 0001529735)

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

Q4 2021

Shares 9,977 Value ($000) $160 Avg Close $15.88 Range $12.64 - $18.84

Q3 2021

Shares 9,977 Value ($000) $184 Avg Close $16.05 Range $12.75 - $19.87

Q2 2021

Shares 9,977 Value ($000) $139 Avg Close $13.97 Range $11.75 - $15.94

Q1 2021

Shares 2,028 Value ($000) $30 Avg Close $17.60 Range $12.70 - $22.23

Q4 2020

Shares 9,430 Value ($000) $183 Avg Close $15.59 Range $11.03 - $23.64

Q2 2020

Shares 7,571 Value ($000) $102 Avg Close $11.23 Range $6.88 - $14.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	9,977	$160	$15.88	$12.64 - $18.84
Q3 2021	9,977	$184	$16.05	$12.75 - $19.87
Q2 2021	9,977	$139	$13.97	$11.75 - $15.94
Q1 2021	2,028	$30	$17.60	$12.70 - $22.23
Q4 2020	9,430	$183	$15.59	$11.03 - $23.64
Q2 2020	7,571	$102	$11.23	$6.88 - $14.48