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UPB
Upstream Bio, Inc.
NASDAQ · PHARMACEUTICAL PREPARATIONS
Last close
$5.27
· 2026-09-30
ABOUT
Exchange
NASDAQ
Sector
Healthcare
Industry
PHARMACEUTICAL PREPARATIONS
Market cap
$288.64M
Country
USA
RECENT INSIDER TRADES
2026-09-17
· Houghton Adam
(Chief Business Officer)
· SELL
2026-09-17
· Ambrose Allison
(General Counsel)
· SELL
2026-09-17
· Deykin Aaron
(Chief Medical Officer)
· SELL
2026-09-17
· Sutherland Everett Rand
(Chief Executive Officer)
· SELL
2026-09-17
· GRAY MICHAEL
(CFO and COO)
· SELL
INSTITUTIONAL OWNERSHIP
Institutional holders
151
Shares held
52,986,134
Value
$412.13M
Percent of shares outstanding
96.74%
As of quarter end
2026-06-30
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2026 CATALYSTPIT · NOT FINANCIAL ADVICE · DELAYED FILINGS
Upstream Bio, Inc. (UPB) · Stock Price, Insider Trades, Institutional Holdings · CatalystPit