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iTeos Therapeutics is a clinical-stage biopharmaceutical company pioneering the discovery and development of a new generation of highly differentiated immuno-oncology therapeutics for patients. We leverage our deep understanding of tumor immunology and immunosuppressive pathways to design novel product candidates with the potential to restore the immune response against cancer.

Our innovative pipeline includes two clinical-stage programs targeting novel, validated immuno-oncology pathways designed with optimized pharmacologic properties for improved clinical outcomes. The first antibody product candidate, EOS-448, is a high affinity, potent, anti-TIGIT antibody with a functional Fc domain, designed to enhance the anti-tumor response through a multifaceted immune modulatory mechanism, currently progressing in multiple indications in collaboration with GSK. The Company is also advancing inupadenant, a next-generation adenosine A2A receptor antagonist tailored to overcome cancer immunosuppression into proof-of concept trials in several indications following encouraging single-agent activity in Phase 1.

iTeos Therapeutics is headquartered in Watertown, MA with a research center in Gosselies, Belgium.

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SEC Filings

Filing date Form Description Filing Group View
4

Statement of changes in beneficial ownership of securities
3,4,5
 View HTML
0001209191-23-037592.pdf
0001209191-23-037592.rtf
0001209191-23-037592.xls
4

Statement of changes in beneficial ownership of securities
3,4,5
 View HTML
0001209191-23-037595.pdf
0001209191-23-037595.rtf
0001209191-23-037595.xls
4

Statement of changes in beneficial ownership of securities
3,4,5
 View HTML
0001209191-23-037594.pdf
0001209191-23-037594.rtf
0001209191-23-037594.xls
424B3

Form of prospectus reflecting facts events constituting substantive change from last form
Registration Statements
 View HTML
0001193125-23-149331.pdf
0001193125-23-149331.rtf
EFFECT

EFFECT
Other
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9999999995-23-001480.pdf
9999999995-23-001480.rtf
9999999995-23-001480.xls
CORRESP

CORRESP
Other
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0000950170-23-022706.pdf
0000950170-23-022706.rtf
0000950170-23-022706.xls
UPLOAD

UPLOAD
Other
 View HTML
0000000000-23-005173.pdf
0000000000-23-005173.rtf
10-Q

Quarterly report which provides a continuing view of a company's financial position
Quarterly Filings
 View HTML
0000950170-23-020071.pdf
0000950170-23-020071.rtf
0000950170-23-020071.xls
EX-101.LAB - XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
S-3

Simplified registration form
Registration Statements
 View HTML
0001193125-23-140056.pdf
0001193125-23-140056.rtf
0001193125-23-140056.xls
DEF 14A

Official notification to shareholders of matters to be brought to a vote ("Proxy")
Proxy Filings
 View HTML
0000950170-23-014989.pdf
0000950170-23-014989.rtf
0000950170-23-014989.xls
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Cancer Cells graphics

At iTeos we are pioneering the discovery and development of a new generation of highly differentiated immuno-oncology therapeutics.

Our differentiated development approach is driven by biologic rationale and clinical need utilizing our IO candidates in intra-portfolio combinations and with programs of external collaborators.

Driven by a culture of scientific innovation, collaboration and excellence, together we discover and deliver breakthrough immunotherapies to improve and extend the lives of people with cancer.