WallStSmart
SPRO

Spero Therapeutics Inc

NASDAQ: SPRO · HEALTHCARE · BIOTECHNOLOGY

$1.17
+2.63% today

Updated 2026-10-28

Market cap
$62.31M
P/E ratio
7.64
P/S ratio
1.33x
EPS (TTM)
$0.14
Dividend yield
—
52W range
$1 – $3
Volume
0.6M

Spero Therapeutics Inc (SPRO) Insider transactions

Net insider activity
Net buying (0 shares)
Buy transactions
0
Sell transactions
0

All transactions

DateInsiderTitleTypeSharesPriceValue