Upstream Bio, Inc. - UPB

Include option trades

Include indirect trades

Latest data: 3/20/2026 10:04:43 PM

EDGAR CIK

1 Month 3 Month 6 Month 1 Year 2 Years

Buy Breakdown

Total $0

No buy transactions for this time period.

Sell Breakdown

Total $46,571

Monthly Totals

Transaction	Filed	Name	Type	Shares @ Price	Value	Balance change		Ownership
03/16/2026	03/17/2026	Ambrose Allison General Counsel Officer	Sell	-475 @ $9.29	($4,412.75)	16,525	(-2.79%)	Direct
03/16/2026	03/17/2026	Deykin Aaron Chief Medical Officer Officer	Sell	-894 @ $9.29	($8,305.26)	32,687	(-2.66%)	Direct
03/16/2026	03/17/2026	Gray Michael CFO and COO CFO	Sell	-852 @ $9.29	($7,915.08)	29,648	(-2.79%)	Direct
03/16/2026	03/17/2026	Houghton Adam Chief Business Officer Officer	Sell	-699 @ $9.29	($6,493.71)	24,301	(-2.80%)	Direct
03/16/2026	03/17/2026	Sutherland Everett Rand Chief Executive Officer CEO Director	Sell	-2,093 @ $9.29	($19,443.97)	72,907	(-2.79%)	Direct