NASDAQ · UPB

Upstream Bio, Inc.

Healthcare · Biotechnology

$6.97

Up+$0.12 (+1.75%)

Updated Aug 22, 2026, 5:35 PM

SID Score

4.5/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance

UPB price history

1M range · 21 trading sessions · Daily adjusted prices

Daily close

View OHLC price history

UPB OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Aug 21, 2026	$6.91	$7.0062	$6.85	$6.97	434.24K
Aug 20, 2026	$7.48	$7.555	$6.745	$6.85	592.94K
Aug 19, 2026	$7.04	$7.53	$6.91	$7.515	574.18K
Aug 18, 2026	$7.28	$7.435	$6.73	$6.85	461.78K
Aug 17, 2026	$7.02	$7.19	$6.86	$7.14	852.44K
Aug 14, 2026	$6.95	$7.14	$6.80	$7.07	688.25K
Aug 13, 2026	$7.02	$7.04	$6.87	$6.91	378.84K
Aug 12, 2026	$7.00	$7.25	$6.84	$6.91	635.22K
Aug 11, 2026	$7.48	$7.70	$7.01	$7.09	628.06K
Aug 10, 2026	$7.32	$7.62	$7.20	$7.44	869.59K
Aug 7, 2026	$6.94	$7.26	$6.89	$7.25	621.85K
Aug 6, 2026	$6.75	$7.1658	$6.66	$6.87	427.17K
Aug 5, 2026	$6.77	$6.88	$6.58	$6.74	917.31K
Aug 4, 2026	$6.40	$6.915	$6.40	$6.79	1.36M
Aug 3, 2026	$6.31	$6.43	$6.175	$6.42	774.29K
Jul 31, 2026	$6.58	$6.6875	$6.29	$6.31	297.71K
Jul 30, 2026	$6.35	$6.665	$6.29	$6.57	320.72K
Jul 29, 2026	$6.39	$6.48	$6.21	$6.41	702.78K
Jul 28, 2026	$6.40	$6.54	$6.09	$6.40	433.23K
Jul 27, 2026	$6.47	$6.60	$6.26	$6.40	459.48K
Jul 24, 2026	$6.40	$6.61	$6.16	$6.41	626.43K