WallStSmart
UPB

Upstream Bio, Inc.

NASDAQ: UPB · HEALTHCARE · BIOTECHNOLOGY

$9.11
-5.11% today

Updated 2026-06-05

Market cap
$454.95M
P/E ratio
P/S ratio
136.95x
EPS (TTM)
$-2.90
Dividend yield
52W range
$7 – $34
Volume
0.6M

Upstream Bio, Inc. (UPB) Insider transactions

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

All transactions

DateInsiderTitleTypeSharesPriceValue