UPSTREAM BIO INC (UPB) Stock Ownership

NASDAQ:UPB • US91678A1079

9.41 USD
-0.02 (-0.21%)
Last: Mar 13, 2026, 10:44 AM
Overview Stock Chart Technical Analysis Fundamental Analysis Forecast Earnings Financials Ownership News
UPB Ownership Chart.UPB Ownership Chart: showing Insider, Institutional ownership and shares available to the public.UPB Ownership.InsiderInstitutionalPublic



Shares Outstanding54.04M
Float40.18M
Float Short Interest Percentage8.78%
Owners (insider)0.39%
Owners (institutional)84.29%
Owners (insider) change2.73%
Owners (institutional) change11.93%
UPB Institutional Ownership HistoryUPB Institutional Ownership HistoryUPB Institutional Ownership History Dec 2024 Mar 2025 Jun 2025 Sep 2025 Dec 2025 10M 20M 30M 40M 50M
UPB Historical Insider Transactions ChartUPB Historical Insider Buy and Sell Transactions ChartUPB Historical Insider Transactions Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 50K 100K 150K
Date Name Type Shares Price Amount
Jan 2, 2026 GRAY MICHAEL Grant 30500 0.00 $ 0.00
Jan 2, 2026 Deykin Aaron Grant 32000 0.00 $ 0.00
Jan 2, 2026 Ambrose Allison Grant 17000 0.00 $ 0.00
Jan 2, 2026 Houghton Adam Grant 25000 0.00 $ 0.00
Jan 2, 2026 Sutherland Everett Rand Grant 75000 0.00 $ 0.00