Stocks · Health care · Pharmaceutical Preparations

Upstream Bio, Inc.

UPB Clue Score38

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

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What the insiders did Net selling

By person

5 insiders · 15 transactions

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Everett Rand Sutherland

Chief Executive Officer

—

$43.73K (3)

−$43.73K

68,717

0.1255%

$377.26K

—

Aaron Deykin

Chief Medical Officer

—

$18.68K (3)

−$18.68K

32,302

0.0590%

$177.34K

+981.8%

Michael Gray

CFO and COO

—

$17.80K (3)

−$17.80K

27,942

0.0510%

$153.40K

—

Adam Houghton

Chief Business Officer

—

$14.61K (3)

−$14.61K

22,901

0.0418%

$125.73K

—

Allison Ambrose

General Counsel

—

$9.99K (3)

−$9.99K

15,563

0.0284%

$85.44K

—