SPERO THERAPEUTICS INC

Ticker: SPRO CUSIP: 84833T103 Class: COM

EAM Investors, LLC's Holding History (CIK: 0001510989)

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

Q4 2025

Shares 218,084 Value ($000) $508 Avg Close $2.32 Range $1.89 - $2.75

Q3 2025

Shares 282,445 Value ($000) $531 Avg Close $2.20 Range $1.80 - $3.22

Q2 2025

Shares 239,140 Value ($000) $694 Avg Close $1.44 Range $0.51 - $3.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	218,084	$508	$2.32	$1.89 - $2.75
Q3 2025	282,445	$531	$2.20	$1.80 - $3.22
Q2 2025	239,140	$694	$1.44	$0.51 - $3.09