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Zenas BioPharma (ZBIO)

Earnings summaries and quarterly performance for Zenas BioPharma.

Research analysts covering Zenas BioPharma.

Recent press releases and 8-K filings for ZBIO.

Zenas BioPharma Highlights 2025 Accomplishments and Upcoming Milestones
ZBIO
New Projects/Investments
  • Zenas BioPharma completed the Phase III IgG4-related disease trial of obexelimab in November 2025, with data expected by the end of 2025.
  • The company reported strong Phase II results for obexelimab in relapsing multiple sclerosis (RMS) from the MoonStone study, demonstrating a 95% reduction in new T1 GAD-enhancing lesions versus placebo.
  • Zenas expanded its pipeline through business development, adding orelabrutinib (now in Phase III for progressive MS) and two other molecules (an oral IL-17 inhibitor and a brain penetrant TYK2 inhibitor) expected in the clinic in 2026.
  • A $300 million potential financing deal with Royalty Pharma was secured, primarily supporting obexelimab.
  • The company expects Phase II SunStone results for obexelimab in lupus in Q3 2026, aiming for a significant difference from placebo.
1 day ago
Zenas BioPharma Wraps Up 2025 with Key Clinical Milestones and Pipeline Expansion
ZBIO
New Projects/Investments
M&A
Product Launch
  • Zenas BioPharma completed enrollment for the Phase III IgG4-related disease trial of obexelimab in November 2025, with data expected around year-end 2025, and is preparing for BLA activities.
  • The company reported strong results from the MOONSTONE Global Phase II study in relapsing multiple sclerosis (RMS) for obexelimab, showing a 95% reduction in new T1 GAD-enhancing lesions versus placebo.
  • Zenas significantly expanded its pipeline by acquiring orelabrutinib, a BTK inhibitor currently in a Phase III trial for progressive MS, and secured a $300 million potential financing deal with Royalty Pharma.
  • The company anticipates a substantial market opportunity for obexelimab in IgG4-related disease, estimating 30,000 to 40,000 patients in the U.S. and Europe, with competitive drug pricing exceeding $250,000 annually.
1 day ago
Zenas BioPharma provides update on obexelimab Phase III IgG4-RD results and pipeline expansion
ZBIO
New Projects/Investments
M&A
  • Zenas BioPharma expects top-line Phase III results for obexelimab in IgG4-related disease around the end of 2025, following the last patient out. The trial, with 194 patients, is considered overpowered, anticipating a 60% flare rate in the control arm.
  • The company reported outstanding Phase II data for obexelimab in relapsing multiple sclerosis (RMS), showing a 95% risk reduction in new enhancing GAD lesions.
  • Zenas has expanded its pipeline through a transaction, including rilzabrutinib, a BTK inhibitor for progressive multiple sclerosis (PPMS and SPMS), with a PPMS trial underway and an SPMS trial set to begin in Q1 2026.
  • The estimated market opportunity for obexelimab in IgG4-RD in the U.S. is over $3 billion for patients requiring continuous therapy, with market research suggesting a potential 45% share.
Nov 18, 2025, 11:00 AM
Zenas BioPharma Highlights Key Clinical Milestones and Pipeline Expansion
ZBIO
Product Launch
New Projects/Investments
  • Zenas BioPharma is expecting top-line Phase 3 results for obexelimab in IgG4-related disease around the end of 2025, following the last patient out. The trial is considered overpowered and is designed similarly to a recently successful competitor.
  • The company recently reported outstanding Phase 2 data for obexelimab in Relapsing Multiple Sclerosis (RMS), demonstrating a 95% risk reduction in new enhancing GAD lesions.
  • Zenas BioPharma has expanded its pipeline with rilzabrutinib, a BTK inhibitor for Progressive Multiple Sclerosis (PPMS and SPMS), with a PPMS trial already started and an SPMS trial beginning in Q1 2026.
  • An IL-17 oral small molecule program is also advancing, with Phase 1 trials expected to start in 2026 and patient data in 2027.
Nov 18, 2025, 11:00 AM
Zenas BioPharma Reports Q3 2025 Financial Results and Provides Corporate Update
ZBIO
Earnings
Guidance Update
New Projects/Investments
  • Zenas BioPharma reported a net loss of $51.5 million for the third quarter ended September 30, 2025, compared to a net loss of $38.6 million for the same period in 2024. Research and development expenses for Q3 2025 were $34.4 million, and general and administrative expenses were $13.2 million.
  • As of September 30, 2025, the company's cash, cash equivalents, and investments totaled $301.6 million. This is expected to fund operating expenses and capital expenditure requirements into the fourth quarter of 2026, or into the first quarter of 2027 if a potential $75 million milestone from Royalty Pharma is received.
  • The company expects to report topline results from the obexelimab Phase 3 INDIGO trial around year-end 2025 and announced highly positive 12-week primary endpoint results from the Phase 2 MoonStone trial in Relapsing MS.
  • Zenas secured development and commercialization rights for three autoimmune product candidates, including orelabrutinib, and entered into an obexelimab funding agreement with Royalty Pharma for up to $300.0 million, which includes an upfront payment of $75 million.
Nov 12, 2025, 12:12 PM
Zenas BioPharma Announces Positive Phase 2 MoonStone Trial Results for Obexelimab in Relapsing Multiple Sclerosis
ZBIO
Product Launch
New Projects/Investments
  • Zenas BioPharma announced positive results from its Phase 2 MoonStone trial of obexelimab in Relapsing Multiple Sclerosis (RMS).
  • Obexelimab met the primary endpoint, showing a 95% relative reduction in new gadolinium (Gd)-enhancing T1 lesions compared with placebo (p=0.0009).
  • The adjusted mean number of new GdE T1 hyperintense lesions per scan in the obexelimab group was 0.01 (95% CI: 0.00, 0.06) compared to 0.23 (95% CI: 0.11, 0.51) with placebo.
  • The safety profile of obexelimab was consistent with that observed in prior completed trials.
  • The company expects to report 24-week data from the MoonStone trial in Q1 2026, topline results from the Phase 3 INDIGO trial around year-end 2025, and topline results from the Phase 2 SunStone trial in mid-2026.
Oct 27, 2025, 11:19 AM
Zenas BioPharma Announces Collaboration Agreement with InnoCare Pharma and Pipeline Updates
ZBIO
M&A
New Projects/Investments
Product Launch
  • Zenas BioPharma has entered into a collaboration agreement with InnoCare Pharma for the development and commercialization rights of three autoimmune programs: Orelabrutinib, ZB021, and ZB022.
  • The transaction, which closed on October 7, 2025, involved an upfront payment to InnoCare of $35 million cash and 5 million shares of Zenas common stock, with potential for additional stock and up to $240 million in development and regulatory milestone payments for Orelabrutinib, alongside commercial sales milestones and tiered royalties for all three programs.
  • Orelabrutinib, a BTK inhibitor, has initiated a Phase 3 PPMS registration-directed trial in Q3 2025, and a Phase 3 SPMS registration-directed trial is expected to initiate in Q1 2026.
  • Key pipeline milestones include Obexelimab with Phase 2 RMS 12-week data expected early Q4 2025 and Phase 3 IgG4-RD topline data around year-end 2025.
  • The global MS market is projected to exceed $30 billion, with progressive forms (SPMS and PPMS) accounting for >$12 billion+ of this market.
Oct 8, 2025, 12:00 PM
Zanis Biopharma Announces Global Collaboration with Innocare Pharma and Pipeline Expansion
ZBIO
M&A
New Projects/Investments
Guidance Update
  • Zanis Biopharma announced a strategic global collaboration agreement with Innocare Pharma, significantly expanding its pipeline.
  • The collaboration involves $35,000,000 in upfront cash and 5,000,000 Zenith common shares, with additional payments and tiered royalties tied to clinical, regulatory, and commercial milestones for three programs.
  • The expanded pipeline includes arelabrutinib, a BTK inhibitor for progressive multiple sclerosis, with a Phase III trial for PPMS already initiated and a Phase III study for SPMS planned for next quarter.
  • Arelabrutinib demonstrated greater than 90% reduction in new lesions in its Phase II relapsing multiple sclerosis trial and targets a progressive MS market with $12,000,000,000 in potential peak sales in the US alone.
  • Zanis aims to become a global, fully integrated commercial-stage biopharmaceutical company, aspiring to launch three best in class franchise molecules across five indications in three therapeutic areas by 2031.
Oct 8, 2025, 12:00 PM
Zenas BioPharma Enters License Agreement with InnoCare Pharma and Announces $120 Million Private Placement
ZBIO
M&A
New Projects/Investments
  • Zenas BioPharma entered a license agreement with InnoCare Pharma, securing global development and commercialization rights for orelabrutinib, a BTK inhibitor in Phase 3 development for Multiple Sclerosis (MS), and two early-development product candidates, ZB021 and ZB022.
  • The agreement includes an upfront payment of $35 million in cash and the issuance of 5,000,000 shares of Zenas common stock to InnoCare.
  • A global Phase 3 clinical trial for orelabrutinib in Primary Progressive MS (PPMS) has been initiated, with a second Phase 3 trial for Secondary Progressive MS (SPMS) expected to start in Q1 2026.
  • Zenas also announced a $120.0 million private placement financing, anticipated to close around October 9, 2025, which, combined with existing cash of approximately $302 million as of September 30, 2025, is expected to fund operations into the fourth quarter of 2026.
Oct 8, 2025, 10:01 AM
Zenas BioPharma Provides Updates on Clinical Pipeline and Financial Position
ZBIO
New Projects/Investments
Product Launch
Guidance Update
  • Zenas BioPharma, an autoimmune-focused company, anticipates top-line results around year-end for its global Phase 3 trial of obexelimab in IgG4-related disease (IgG4RD), with the last patient out on November 15.
  • The company also expects results for its global Phase 2 program in relapsing multiple sclerosis (MS) early in the fourth quarter, and for its global Phase 2 program in systemic lupus erythematosus (SLE) around mid-next year.
  • Zenas BioPharma reported a strong cash position of approximately $275 million as of June 30.
  • A $300 million Royalty Pharma deal was announced, with $225 million allocated to the obexelimab program and IgG4RD, extending the company's financial runway for more than a full year beyond the IgG4RD Phase 3 readout.
  • The company is in pre-commercial mode, with Medical Affairs teams deployed in Europe and the U.S., and is preparing a Biologics License Application (BLA) for obexelimab in IgG4RD.
Sep 3, 2025, 1:42 PM

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