LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
UPBCIK 0002022626

Upstream Bio, Inc.

31 transactions by 11 insiders, from January 2, 2026 to September 16, 2026.

Transactions
3111 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$105Kopen market
Net
−$105Knet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Allison AmbroseGC5——$10K
Everett Rand SutherlandCEO5——$44K
Adam HoughtonChief5——$15K
Aaron DeykinCMO5——$19K
Michael GrayCFO5——$18K
Marcella K. RuddyDir1———
Harold Edward FlemingDir1———
Ronald C. Renaud Jr.Dir1———
Daniella BeckmanDir1———
Liam RatcliffeDir1———
Erez ChimovitsDir1———

All transactions

31 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Michael GrayCFOSep 16S853$5.49$5K
Allison AmbroseGCSep 16S485$5.49$3K
Aaron DeykinCMOSep 16S895$5.49$5K
Everett Rand SutherlandCEOSep 16S2,095$5.49$12K
Adam HoughtonChiefSep 16S700$5.49$4K
Everett Rand SutherlandCEOJun 16S2,095$6.10$13K
Adam HoughtonChiefJun 16S700$6.10$4K
Michael GrayCFOJun 16S853$6.10$5K
Aaron DeykinCMOJun 16S895$6.10$5K
Allison AmbroseGCJun 16S477$6.10$3K
Marcella K. RuddyDirDERIVJun 9A17,096$0.00—?
Ronald C. Renaud Jr.DirDERIVJun 9A17,096$0.00—?
Liam RatcliffeDirDERIVJun 9A17,096$0.00—?
Harold Edward FlemingDirDERIVJun 9A17,096$0.00—?
Erez ChimovitsDirDERIVJun 9A17,096$0.00—?
Daniella BeckmanDirDERIVJun 9A17,096$0.00—?
Everett Rand SutherlandCEOMar 16S2,093$9.29$19K
Adam HoughtonChiefMar 16S699$9.29$6K
Michael GrayCFOMar 16S852$9.29$8K
Aaron DeykinCMOMar 16S894$9.29$8K
Allison AmbroseGCMar 16S475$9.29$4K
Everett Rand SutherlandCEODERIVJan 2A225,000$0.00—?
Everett Rand SutherlandCEOJan 2A75,000$0.00—
Adam HoughtonChiefDERIVJan 2A75,000$0.00—?
Adam HoughtonChiefJan 2A25,000$0.00—
Michael GrayCFODERIVJan 2A91,500$0.00—?
Michael GrayCFOJan 2A30,500$0.00—
Aaron DeykinCMODERIVJan 2A96,000$0.00—?
Aaron DeykinCMOJan 2A32,000$0.00—
Allison AmbroseGCDERIVJan 2A51,000$0.00—?
Allison AmbroseGCJan 2A17,000$0.00—