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 Net buying

Insider
Date
Role
Action
Shares
Price
Amount
AI Upstream LLC
15 Oct 2024
10% owner
Buy
1,175,000
$17.00
$19.98M
Orbimed Advisors LLC
15 Oct 2024
Director
Buy indirect
660,000
$17.00
$11.22M
Orbimed Advisors LLC
15 Oct 2024
Director
Buy indirect
165,000
$17.00
$2.81M
Erez Chimovits
15 Oct 2024
Director
Buy indirect
660,000
$17.00
$11.22M
Erez Chimovits
15 Oct 2024
Director
Buy indirect
165,000
$17.00
$2.81M

What was left out

Form 4 filings counted 48
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 2
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 15
Transactions with no price 0
Shares from compensation/vesting 12,613,221
History held since 15 Oct 2024