Alpha Profiles · Company Profile
Upstream Bio, Inc.
Canonical company identity and public leadership record.
https://registry.alpha.ac/companies/upstream-bio-inc
- Entity
- Public listing published
- Primary listing
- NASDAQ: UPB
- Verification
- Partially verified
- Last reviewed
- 2026-09-16T04:46:23.098801+00:00
Overview
Alpha's canonical identity and public leadership record for Upstream Bio, Inc..
Canonical AEGIS identity graph
Executive leadership
Current, confirmed roles are shown only when both the person Profile and supporting source record satisfy the public projection boundary. A missing role is not evidence that it does not exist.
Executive team
5 public recordsChief Medical Officer and Head of Research and Development
- State
- confirmed
- Effective
- Date not stated
- Confidence
- 95%
- Evidence
- SEC DEF 14A 0001193125-26-158966Apr 16, 2026
Chief Business Officer
- State
- confirmed
- Effective
- Date not stated
- Confidence
- 95%
- Evidence
- SEC DEF 14A 0001193125-26-158966Apr 16, 2026
Sr. Vice President, General Counsel and Secretary
- State
- confirmed
- Effective
- Date not stated
- Confidence
- 95%
- Evidence
- SEC DEF 14A 0001193125-26-158966Apr 16, 2026
Chief Executive Officer
- State
- confirmed
- Effective
- Date not stated
- Confidence
- 95%
- Evidence
- SEC DEF 14A 0001193125-26-158966Apr 16, 2026
Chief Financial and Operating Officer
- State
- confirmed
- Effective
- Date not stated
- Confidence
- 95%
- Evidence
- SEC DEF 14A 0001193125-26-158966Apr 16, 2026
Governance leadership
Boards & Committees
Board and committee assignments appear only when the canonical public projection retains a current role and supporting source. Unpublished records are not interpreted as absence.
Record as of Sep 16, 2026. Chair, executive office, Lead Independent Director and committee appointments retain their separate source roles. A complete board composition denominator and committee charters are not established by a partial roster.
Board roles
11 public records- State
- confirmed
- Effective
- From Jan 1, 2024
- Confidence
- 88%
- Evidence
- DEF 14A upb-20260416.htmApr 16, 2026
- State
- confirmed
- Effective
- From Jan 1, 2024
- Confidence
- 88%
- Evidence
- DEF 14A upb-20260416.htmApr 16, 2026
- State
- confirmed
- Effective
- From Apr 16, 2026
- Confidence
- 88%
- Evidence
- DEF 14A upb-20260416.htmApr 16, 2026
- State
- confirmed
- Effective
- From Jan 1, 2024
- Confidence
- 88%
- Evidence
- DEF 14A upb-20260416.htmApr 16, 2026
- State
- confirmed
- Effective
- Date not stated
- Confidence
- 95%
- Evidence
- SEC DEF 14A 0001193125-26-158966Apr 16, 2026
- State
- confirmed
- Effective
- Date not stated
- Confidence
- 95%
- Evidence
- SEC DEF 14A 0001193125-26-158966Apr 16, 2026
- State
- confirmed
- Effective
- From Jan 1, 2023
- Confidence
- 88%
- Evidence
- DEF 14A upb-20260416.htmApr 16, 2026
- State
- confirmed
- Effective
- Date not stated
- Confidence
- 95%
- Evidence
- SEC DEF 14A 0001193125-26-158966Apr 16, 2026
- State
- confirmed
- Effective
- Date not stated
- Confidence
- 95%
- Evidence
- SEC DEF 14A 0001193125-26-158966Apr 16, 2026
- State
- confirmed
- Effective
- Date not stated
- Confidence
- 95%
- Evidence
- SEC DEF 14A 0001193125-26-158966Apr 16, 2026
- State
- confirmed
- Effective
- Date not stated
- Confidence
- 95%
- Evidence
- SEC DEF 14A 0001193125-26-158966Apr 16, 2026
Source record
Alpha canonical company public projection
Supports Company identity, Published leadership, Entity status boundary
Reviewed 2026-09-16T04:46:23.098801+00:00