Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:c8bd9e08-9b2e-3bf6-4b31-0e54fc31f765 2026-05-01T21:12:22-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services UPB: GRAY MICHAEL (CFO,COO) Sold (S) 852 Shares of UPSTREAM BIO INC for $9.29 on 3/16 urn:uuid:25cfbe96-1ddc-273d-fbbc-950596eb4497 2026-03-17T17:03:33-04:00 UPB: DEYKIN AARON (O) Sold (S) 894 Shares of UPSTREAM BIO INC for $9.29 on 3/16 urn:uuid:04de25eb-7069-0e26-0281-02e85fed8f87 2026-03-17T17:02:57-04:00 UPB: SUTHERLAND EVERETT RAND (CEO,DIR) Sold (S) 2,093 Shares of UPSTREAM BIO INC for $9.29 on 3/16 urn:uuid:72e276aa-5d89-dc2c-fb5b-cc93c590c01e 2026-03-17T17:00:45-04:00 UPB: AMBROSE ALLISON (GC) Sold (S) 475 Shares of UPSTREAM BIO INC for $9.29 on 3/16 urn:uuid:4576194d-613d-b716-4f7b-cd861d46249e 2026-03-17T17:00:23-04:00 UPB: HOUGHTON ADAM (O) Sold (S) 699 Shares of UPSTREAM BIO INC for $9.29 on 3/16 urn:uuid:adcaf880-d0eb-7ece-7443-ad314318233f 2026-03-17T16:59:46-04:00 UPB: GRAY MICHAEL (CFO,COO) Acquired (JB) 30,500 Shares of UPSTREAM BIO INC for $0.00 on 1/2 urn:uuid:38221a0c-481c-8adb-4312-707aaabf8b94 2026-01-06T17:15:10-05:00 UPB: DEYKIN AARON (O) Acquired (JB) 32k Shares of UPSTREAM BIO INC for $0.00 on 1/2 urn:uuid:88085d6d-8c79-4006-99aa-2474b918b552 2026-01-06T17:15:09-05:00 UPB: AMBROSE ALLISON (GC) Acquired (JB) 17k Shares of UPSTREAM BIO INC for $0.00 on 1/2 urn:uuid:94506468-5a9e-c703-df8f-bd984e14cb6e 2026-01-06T17:15:05-05:00 UPB: HOUGHTON ADAM (O) Acquired (JB) 25k Shares of UPSTREAM BIO INC for $0.00 on 1/2 urn:uuid:53895c88-f610-f3bc-cd47-fb43527abd03 2026-01-06T17:15:04-05:00 UPB: SUTHERLAND EVERETT RAND (CEO,DIR) Acquired (JB) 75k Shares of UPSTREAM BIO INC for $0.00 on 1/2 urn:uuid:50894b8e-a7bc-2794-0480-11d981f4d360 2026-01-06T17:15:02-05:00