UPSTREAM BIO INC (UPB) Stock Ownership

NASDAQ:UPB • US91678A1079

Current stock price

10.49 USD
+0.07 (+0.67%)
At close:
10.49 USD
0 (0%)
After Hours:

UPB Ownership information

UPB Ownership Chart.UPB Ownership Chart: showing Insider, Institutional ownership and shares available to the public.UPB Ownership.InsiderInstitutionalPublic



Shares Outstanding54.42M
Float40.57M
Float Short Interest Percentage11.83%
Owners (insider)0.37%
Owners (institutional)84.48%
Owners (insider) change2.66%
Owners (institutional) change0%
UPB Institutional Ownership HistoryUPB Institutional Ownership HistoryUPB Institutional Ownership History Dec 2024 Mar 2025 Jun 2025 Sep 2025 Dec 2025 Mar 2026 10M 20M 30M 40M 50M
UPB Historical Insider Transactions ChartUPB Historical Insider Buy and Sell Transactions ChartUPB Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 50K 100K 150K
DateNameTypeSharesPriceAmount
Mar 16, 2026Sutherland Everett RandOpen Market Sale20939.29$ 19,443.97
Mar 16, 2026Ambrose AllisonOpen Market Sale4759.29$ 4,412.75
Mar 16, 2026Houghton AdamOpen Market Sale6999.29$ 6,493.71
Mar 16, 2026GRAY MICHAELOpen Market Sale8529.29$ 7,915.08
Mar 16, 2026Deykin AaronOpen Market Sale8949.29$ 8,305.26
Jan 2, 2026GRAY MICHAELGrant305000.00$ 0.00
Jan 2, 2026Deykin AaronGrant320000.00$ 0.00
Jan 2, 2026Ambrose AllisonGrant170000.00$ 0.00
Jan 2, 2026Houghton AdamGrant250000.00$ 0.00
Jan 2, 2026Sutherland Everett RandGrant750000.00$ 0.00