SPERO THERAPEUTICS INC

Ticker: SPRO CUSIP: 84833T103 Class: COM

HARBOUR INVESTMENTS, INC.'s Holding History (CIK: 0000810121)

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

Q3 2021

Shares 115 Value ($000) $2 Avg Close $16.05 Range $12.75 - $19.87

Q2 2021

Shares 115 Value ($000) $2 Avg Close $13.97 Range $11.75 - $15.94

Q1 2021

Shares 115 Value ($000) $2 Avg Close $17.60 Range $12.70 - $22.23

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2021	115	$2	$16.05	$12.75 - $19.87
Q2 2021	115	$2	$13.97	$11.75 - $15.94
Q1 2021	115	$2	$17.60	$12.70 - $22.23