Houghton Adam

EDGAR CIK 0002031691

Upstream Bio, Inc. - UPB

  1. Manufacturing
  2. Chemicals
  3. Pharmaceutical Preparations
Officer
Chief Business Officer
Direct Buys
0
$0
0 Shares
Direct Sells
1
($6,494)
-699 Shares
Indirect Buys
0
$0
0 Shares
Indirect Sells
0
$0
0 Shares
Monthly Values

Transaction Filed Type Shares @ Price Value Balance ( Change % ) Ownership
03/16/2026
03/17/2026
Sell
-699 @ $9.29
 ($6,494) 24,301 (-2.80%) Direct