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/ Insider / 2031691
Houghton Adam
CIK 2031691
Transactions on file
2
Tickers traded
UPB
2 txns
Recent activity
Filed
Txn date
Issuer
Roles
Code
Shares
Value
% since Filing
Filing
2026-09-17
2026-09-16
UPB
Upstream Bio, Inc.
Chief Business Officer
Sale
700
$3.8K
-3.5%
open →
2026-06-17
2026-06-16
UPB
Upstream Bio, Inc.
Chief Business Officer
Sale
700
$4.3K
-13.1%
open →