Upstream Bio, Inc.

UPB · Nasdaq · SIC 2834: Pharmaceutical Preparations · Market Cap: $0.5B · 75 employees
25
SEC Filings
$5.96
Close 2026-09-09
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 2026-09-09 $5.96 O:$6.14 H:$6.2 L:$5.77 Vol:0.7M VWAP:$5.9153
origin leaf: null

Next Earnings

Q2 FY2026 — expected 2026-09-03

Annual Reports (10-K)

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

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2026-08-112026-06-300001193125-26-343417EDGAR70K words
2025-11-052025-09-300001193125-25-265713EDGAR70K words
2025-08-062025-06-300000950170-25-103534EDGAR69K words
2025-05-062025-03-310000950170-25-063957EDGAR67K words
2024-11-072024-09-300000950170-24-122793EDGAR73K words

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-09-010001193125-26-377485EDGAR2K words
2026-08-110001193125-26-343407EDGAR3K words
2026-03-260001193125-26-126572EDGAR28K words
2026-03-260001193125-26-125057EDGAR3K words
2026-02-110001193125-26-045649EDGAR4K words
2026-02-110001193125-26-045500EDGAR2K words
2025-11-050001193125-25-265705EDGAR3K words
2025-09-020002022626-25-000005EDGAR2K words
2025-08-060000950170-25-103528EDGAR3K words
2025-06-120000950170-25-085374EDGAR1K words

25 total filings indexed. 8 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. ACIU — AC Immune SA ACAD — ACADIA PHARMACEUTICALS INC ACTU — ACTUATE THERAPEUTICS, INC. ADCT — ADC Therapeutics SA

Company Identity

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

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

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JSON Profile Stock Quote Origin Record
Origin Provenance
page leaf: 8619582e095d30af3078103e1b28aaaa2d69fa79a341f9e06ec7fa4571a2d192
parent: 162c61bb2ba19aaa47aca273917bc3a0b40ea467e42fcb4246e1a1ff44b9e76d
content hash: 6a4038ee0f1da4bf08506f5e88880e0f93e54b8d5adec2724abe2d4760218646
signed: 2026-09-29T19:03:26.922Z
sources: 7 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

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