Gray Michael

EDGAR CIK 0001271411

Upstream Bio, Inc. - UPB

CFO
CFO and COO
Direct Buys
0
$0
0 Shares
Direct Sells
1
($7,915)
-852 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
-852 @ $9.29
($7,915) 29,648 (-2.79%) Direct