Stocks · Health care · Pharmaceutical Preparations

Upstream Bio, Inc.

UPB Clue Score38
United States Fiscal year ends December CIK 0002022626 Results filed 11 Aug 2026

What the insiders did No buying or selling

By person

5 insiders · 0 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Everett Rand Sutherland
Chief Executive Officer
—
—
—
68,717
$377.26K
—
Aaron Deykin
Chief Medical Officer
—
—
—
32,302
$177.34K
+981.8%
Michael Gray
CFO and COO
—
—
—
27,942
$153.40K
—
Adam Houghton
Chief Business Officer
—
—
—
22,901
$125.73K
—
Allison Ambrose
General Counsel
—
—
—
15,563
$85.44K
—

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.