Upstream Bio, Inc. - UPB

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
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Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Jun 17, 2026 CFO and COO S D 853.0 6.1 5,203.3 28,795.0 View
Jun 17, 2026 Chief Executive Officer S D 2,095.0 6.1 12,779.5 70,812.0 View
Jun 17, 2026 Chief Business Officer S D 700.0 6.1 4,270.0 23,601.0 View
Jun 17, 2026 Chief Medical Officer S D 895.0 6.1 5,459.5 33,197.0 View
Jun 17, 2026 General Counsel S D 477.0 6.1 2,909.7 16,048.0 View
Jun 11, 2026 A A 17,096.0 0.0 0.0 17,096.0 View
Jun 11, 2026 A A 17,096.0 0.0 0.0 17,096.0 View
Jun 11, 2026 A A 17,096.0 0.0 0.0 17,096.0 View
Jun 11, 2026 A A 17,096.0 0.0 0.0 17,096.0 View
Jun 11, 2026 A A 17,096.0 0.0 0.0 17,096.0 View
Jun 11, 2026 A A 17,096.0 0.0 0.0 17,096.0 View
Mar 17, 2026 General Counsel S D 475.0 9.29 4,412.75 16,525.0 View
Mar 17, 2026 Chief Executive Officer S D 2,093.0 9.29 19,443.97 72,907.0 View
Mar 17, 2026 Chief Medical Officer S D 894.0 9.29 8,305.26 32,687.0 View
Mar 17, 2026 CFO and COO S D 852.0 9.29 7,915.08 29,648.0 View
Mar 17, 2026 Chief Business Officer S D 699.0 9.29 6,493.71 24,301.0 View