Inhibrx Biosciences (INBX) Q1 2026 earnings summary
Event summary combining transcript, slides, and related documents.
Q1 2026 earnings summary
18 May, 2026Executive summary
Clinical-stage biopharma focused on oncology, advancing ozekibart (INBRX-109) and INBRX-106 in multiple solid tumor indications, with recent positive clinical data and regulatory submissions.
Announced interim and pivotal results for ozekibart in colorectal cancer, Ewing sarcoma, and chondrosarcoma, including a BLA submission for chondrosarcoma in April 2026.
INBRX-106 showed promising Phase 2 results in HNSCC, with plans to initiate Phase 3 and expand into additional indications.
Financial highlights
Cash and cash equivalents were $161.7 million as of March 31, 2026, up from $124.2 million at December 31, 2025.
Net loss for Q1 2026 was $33.4 million, a 23% improvement from $43.3 million in Q1 2025.
Research and development expenses decreased 32% year-over-year to $25.2 million, mainly due to lower clinical and manufacturing costs as trials neared completion.
General and administrative expenses were $5.7 million, down slightly from $6.0 million year-over-year.
Interest expense increased to $3.5 million due to additional debt financing.
Outlook and guidance
Existing cash is expected to fund operations for at least the next 12 months.
Plans to meet with the FDA in the second half of 2026 for potential accelerated pathways for ozekibart in colorectal cancer and Ewing sarcoma.
Phase 3 trial for INBRX-106 in HNSCC to begin in Q3 2026, with further expansion into NSCLC and other indications.
Anticipates increased R&D and pre-commercialization expenses as programs advance.
Latest events from Inhibrx Biosciences
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Q3 202418 May 2026 - Virtual meeting to elect directors and ratify auditor, with board support for both proposals.INBX
Proxy filing18 May 2026 - Net loss narrowed to $43.3M in Q1 2025, with strong cash reserves and lower R&D spend.INBX
Q1 202518 May 2026 - Shareholders will vote on director elections and auditor ratification, with strong governance in place.INBX
Proxy filing18 May 2026 - Shareholders will vote on two director nominees and auditor ratification at the June 2026 meeting.INBX
Proxy filing18 May 2026 - INBRX-106 plus pembrolizumab doubled response rates and deepened tumor shrinkage in head and neck cancer.INBX
Study update11 May 2026