Dudediligence.

Upstream Bio, Inc

UPBNASDAQ · Pharmaceutical Preparations
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Reported ·

$77,193

10 sales · 0 buys

Oct 2025 to Jun 2026

None of the 10 reported sales carry the 10b5-1 box. Together they are 0.02% of the shares on issue.

REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-03-16: Houghton Adam, sold2026-03-16: Ambrose Allison, sold2026-03-16: Sutherland Everett Rand, sold2026-03-16: Deykin Aaron, sold2026-03-16: GRAY MICHAEL, sold2026-06-16: Ambrose Allison, sold2026-06-16: Deykin Aaron, sold2026-06-16: Houghton Adam, sold2026-06-16: Sutherland Everett Rand, sold2026-06-16: GRAY MICHAEL, sold
under a no plan named▼ salesize is dollars

Form 4 filings, newest first

2026-06-16Ambrose Allison$2,910
▼ sold477 shno plan namedForm 4 ↗
2026-06-16Deykin Aaron$5,460
▼ sold895 shno plan namedForm 4 ↗
2026-06-16Houghton Adam$4,270
▼ sold700 shno plan namedForm 4 ↗
2026-06-16Sutherland Everett Rand$12,780
▼ sold2,095 shno plan namedForm 4 ↗
2026-06-16GRAY MICHAEL$5,203
▼ sold853 shno plan namedForm 4 ↗
2026-03-16Houghton Adam$6,494
▼ sold699 shno plan namedForm 4 ↗
2026-03-16Ambrose Allison$4,413
▼ sold475 shno plan namedForm 4 ↗
2026-03-16Sutherland Everett Rand$19,444
▼ sold2,093 shno plan namedForm 4 ↗
2026-03-16Deykin Aaron$8,305
▼ sold894 shno plan namedForm 4 ↗
2026-03-16GRAY MICHAEL$7,915
▼ sold852 shno plan namedForm 4 ↗