Upstream Bio, Inc.

Waltham, MA

Massachusetts

Registered In

09/29/2021

Incorp. Date

Foreign

Registration Type

Delaware

Foreign Jurisdiction

Company Summary

Upstream Bio, Inc. at 460 Totten Pond Road Suite 420, Watham, Ma 02451 lists Adam Houghton and Dayton Misfeldt as associates.

Corporation Service Company Registered Agent	84 STATE ST, BOSTON, MA 02109
Adam Houghton President
Dayton Misfeldt Director
Atsushi Sugita Director
Liam Ratcliffe Director
Andy Wardle Director
Erez Chimovits Director
Ronald C Renaud Director	460 TOTTEN POND RD STE 420, WALTHAM, MA 02451
Marcella Ruddy Director
Edd Fleming Director

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460 TOTTEN POND ROAD SUITE 420, WATHAM, MA 02451 View Map

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Form 5500

460 Totten Pond Road, Waltham, Ma 02154 (978) 835-8608 EIN:38-4187694 Plan Admin:Rachel Hughes

Year	Plan Name	Participants BOY/EOY	Assets BOY/EOY
2023	Plan NameUPSTREAM BIO, INC. Plan #001 Participants BOY/EOY19 / 32 Assets BOY/EOY$244,617 / $1,680,874	2023	UPSTREAM BIO, INC. - Plan #001	19 / 32	$244,617 / $1,680,874
2022	Plan NameUPSTREAM BIO, INC. Plan #001 Participants BOY/EOY4 / 17 Assets BOY/EOY$0 / $244,617	2022	UPSTREAM BIO, INC. - Plan #001	4 / 17	$0 / $244,617

Benefit & Retirement Plans based on Form 5500.

City Match:Watham, MA

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The following government agencies have contributed data:

Secretary of the Commonwealth of Massachusetts U.S. Department of Labor

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