SPERO THERAPEUTICS INC

Ticker: SPRO CUSIP: 84833T103 Class: COM

Shay Capital LLC's Holding History (CIK: 0001723643)

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

Q4 2025

Shares 60,289 Value ($000) $140 Avg Close $2.32 Range $1.89 - $2.75

Q3 2025

Shares 63,667 Value ($000) $120 Avg Close $2.20 Range $1.80 - $3.22

Q3 2024

Shares 25,000 Value ($000) $34 Avg Close $1.34 Range $1.15 - $1.53

Q2 2024

Shares 25,000 Value ($000) $33 Avg Close $1.51 Range $1.25 - $1.81

Q1 2024

Shares 306,967 Value ($000) $528 Avg Close $1.57 Range $1.33 - $1.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	60,289	$140	$2.32	$1.89 - $2.75
Q3 2025	63,667	$120	$2.20	$1.80 - $3.22
Q3 2024	25,000	$34	$1.34	$1.15 - $1.53
Q2 2024	25,000	$33	$1.51	$1.25 - $1.81
Q1 2024	306,967	$528	$1.57	$1.33 - $1.89