Upstream Bio, Inc.

UPB · Nasdaq · SIC 2834: Pharmaceutical Preparations · Market Cap: $0.5B · 75 employees
22
SEC Filings
$8.36
Close 2026-05-29
75
Employees

Business Summary

PART I . Overview We are a clinical-stage biotechnology company developing treatments for inflammatory diseases, with an initial focus on severe respiratory disorders. We are developing verekitug, the only known antagonist currently in clinical development that targets the receptor for Thymic Stromal Lymphopoietin (TSLP), a cytokine which is a clinically validated driver of inflammatory response positioned upstream of multiple signaling cascades that affect a variety of immune mediated diseases....

Latest Stock Quote

UPB 2026-05-29 $8.36 O:$8.31 H:$8.5 L:$8.165 Vol:0.5M VWAP:$8.3541
origin leaf: 67e0719564464fb5055c59d11e2787aef40db246503910365a92f6c9f1ed2560

Next Earnings

Q2 FY2026 — expected 2026-09-03

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-03-262025-12-310001193125-26-126188EDGAR111K words
2025-03-122024-12-310000950170-25-037621EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2025-11-052025-09-300001193125-25-265713EDGAR70K words
2025-08-062025-06-300000950170-25-103534EDGAR—
2025-05-062025-03-310000950170-25-063957EDGAR—
2024-11-072024-09-300000950170-24-122793EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-03-260001193125-26-126572EDGAR28K words
2026-03-260001193125-26-125057EDGAR—
2026-02-110001193125-26-045649EDGAR—
2026-02-110001193125-26-045500EDGAR—
2025-11-050001193125-25-265705EDGAR—
2025-09-020002022626-25-000005EDGAR—
2025-08-060000950170-25-103528EDGAR—
2025-06-120000950170-25-085374EDGAR—
2025-05-060000950170-25-063954EDGAR—
2025-03-120000950170-25-037619EDGAR—

22 total filings indexed. 6 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Sector Peers

SXTP — 60 DEGREES PHARMACEUTICALS, INC. ABT — ABBOTT LABORATORIES ABEO — ABEONA THERAPEUTICS INC. ABVC — ABVC BIOPHARMA, INC. ACAD — ACADIA PHARMACEUTICALS INC ACTU — ACTUATE THERAPEUTICS, INC. ADCT — ADC Therapeutics SA ADIL — ADIAL PHARMACEUTICALS, INC.

Company Identity

CIK0002022626
TickerUPB
ExchangeNasdaq
SIC2834: Pharmaceutical Preparations
IncorporatedDE
Websitehttps://www.upstreambio.com
Listed2024-10-11

Get More Data

This is the free public profile. For structured JSON with full provenance chain, use the API:

JSON Profile Stock Quote AI Readiness Report
Origin Provenance
page leaf: 395b30d6bb0eee1044f52eb956a01c6b60ff3edeaadb679354ba3c7c7395c24f
parent: d618c22665b3bddd86ac0d054c151c17c8cd719b931905d111f762ddaafbfec3
content hash: 628859244c59c3bceefd1ccd0a4dc2db0f7ff7ab063a7ae90125f1dad6fc358d
signed: 2026-06-03T12:02:55.153Z
sources: 7 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf