Aaron Deykin

Insider Reports History

Location
Waltham, MA
Signature
/s/ Allison Ambrose, Attorney-in-Fact
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Aaron Deykin:

Company Role Class Num Shares Value Price $ Report Date Ownership
Upstream Bio, Inc. Chief Medical Officer Common Stock 32,687 $303,662 $9.29 16 Mar 2026 Direct
Upstream Bio, Inc. Chief Medical Officer Stock Option (Right to Buy) 96,000 02 Jan 2026 Direct

Insider Reports Filed by Aaron Deykin

Symbol Company Period Transactions Value $ Form Type Role Filing Time
UPB Upstream Bio, Inc. 16 Mar 2026 1 -$8,305 4 Chief Medical Officer 17 Mar 2026, 17:02
UPB Upstream Bio, Inc. 02 Jan 2026 2 $0 4 Chief Medical Officer 06 Jan 2026, 17:15
UPB Upstream Bio, Inc. 06 Feb 2025 1 $0 4 Chief Medical Officer 07 Feb 2025, 17:29
UPB Upstream Bio, Inc. 10 Oct 2024 0 $0 3 Chief Medical Officer 10 Oct 2024, 20:12
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