Upstream Bio, Inc. - UPB

Include option trades

Include indirect trades

Latest data: 10/28/2026 10:01:44 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 $104,796

Monthly Totals

Transaction	Filed	Name	Type	Shares @ Price	Value	Balance change		Ownership
09/16/2026	09/17/2026	Ambrose Allison General Counsel Officer	Sell	-485 @ $5.49	($2,662.65)	15,563	(-3.02%)	Direct
09/16/2026	09/17/2026	Deykin Aaron Chief Medical Officer Officer	Sell	-895 @ $5.49	($4,913.55)	32,302	(-2.70%)	Direct
09/16/2026	09/17/2026	Gray Michael CFO and COO CFO	Sell	-853 @ $5.49	($4,682.97)	27,942	(-2.96%)	Direct
09/16/2026	09/17/2026	Houghton Adam Chief Business Officer Officer	Sell	-700 @ $5.49	($3,843.00)	22,901	(-2.97%)	Direct
09/16/2026	09/17/2026	Sutherland Everett Rand Chief Executive Officer CEO Director	Sell	-2,095 @ $5.49	($11,501.55)	68,717	(-2.96%)	Direct
06/16/2026	06/17/2026	Ambrose Allison General Counsel Officer	Sell	-477 @ $6.10	($2,909.70)	16,048	(-2.89%)	Direct
06/16/2026	06/17/2026	Deykin Aaron Chief Medical Officer Officer	Sell	-895 @ $6.10	($5,459.50)	33,197	(-2.63%)	Direct
06/16/2026	06/17/2026	Gray Michael CFO and COO CFO	Sell	-853 @ $6.10	($5,203.30)	28,795	(-2.88%)	Direct
06/16/2026	06/17/2026	Houghton Adam Chief Business Officer Officer	Sell	-700 @ $6.10	($4,270.00)	23,601	(-2.88%)	Direct
06/16/2026	06/17/2026	Sutherland Everett Rand Chief Executive Officer CEO Director	Sell	-2,095 @ $6.10	($12,779.50)	70,812	(-2.87%)	Direct
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