InsiderClue
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 buying

Individual transactions

20
Insider
Date
Role
Action
Shares
Price
Amount
Allison Ambrose
16 Sep 2026
General Counsel
Sell
485
$5.49
$2.66K
Adam Houghton
16 Sep 2026
Chief Business Officer
Sell
700
$5.49
$3.84K
Everett Rand Sutherland
16 Sep 2026
Chief Executive Officer
Sell
2,095
$5.49
$11.50K
Aaron Deykin
16 Sep 2026
Chief Medical Officer
Sell
895
$5.49
$4.91K
Michael Gray
16 Sep 2026
CFO and COO
Sell
853
$5.49
$4.68K
Allison Ambrose
16 Jun 2026
General Counsel
Sell
477
$6.10
$2.91K
Aaron Deykin
16 Jun 2026
Chief Medical Officer
Sell
895
$6.10
$5.46K
Adam Houghton
16 Jun 2026
Chief Business Officer
Sell
700
$6.10
$4.27K
Everett Rand Sutherland
16 Jun 2026
Chief Executive Officer
Sell
2,095
$6.10
$12.78K
Michael Gray
16 Jun 2026
CFO and COO
Sell
853
$6.10
$5.20K
Adam Houghton
16 Mar 2026
Chief Business Officer
Sell
699
$9.29
$6.49K
Allison Ambrose
16 Mar 2026
General Counsel
Sell
475
$9.29
$4.41K
Everett Rand Sutherland
16 Mar 2026
Chief Executive Officer
Sell
2,093
$9.29
$19.44K
Aaron Deykin
16 Mar 2026
Chief Medical Officer
Sell
894
$9.29
$8.31K
Michael Gray
16 Mar 2026
CFO and COO
Sell
852
$9.29
$7.92K
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