Welcome to our dedicated page for Anaptysbio news (Ticker: ANAB), a resource for investors and traders seeking the latest updates and insights on Anaptysbio stock.
AnaptysBio Inc (ANAB) is a clinical-stage biotechnology company advancing antibody therapies for autoimmune and inflammatory diseases through its proprietary discovery platforms. This page aggregates official news releases, clinical trial milestones, and strategic partnership announcements directly from the company and verified sources.
Investors and researchers will find timely updates on pipeline developments, regulatory progress, and financial disclosures, including updates on checkpoint agonists and cytokine antagonists in clinical testing. The curated collection serves as a centralized hub for tracking the company’s progress in immunology therapeutics and antibody discovery.
Content spans phase trial results, licensing agreements, and technology innovations related to the shm-xel platform. Bookmark this page for efficient access to AnaptysBio’s latest advancements in developing treatments for conditions like atopic dermatitis and ulcerative colitis.
Anaptys (Nasdaq: ANAB) reported late-breaking Phase 2b results for rosnilimab in rheumatoid arthritis on Oct 29, 2025, from a global 424-patient trial presented at ACR Convergence 2025. Primary Week 12 efficacy on DAS28-CRP and ACR20 was confirmed and responses deepened by Week 28, including CDAI low disease activity and CDAI remission, independent of prior advanced therapies including JAK inhibitors.
Responses remained durable for at least three months off drug. Safety through Week 38 showed rosnilimab was well-tolerated with no treatment-related serious adverse events, no malignancies, and no deaths; Tph cells were reduced by >90% by Week 6.
Anaptys (NASDAQ: ANAB) announced that complete Phase 2b data for rosnilimab in rheumatoid arthritis will be presented as a late-breaking oral at ACR Convergence 2025 in Chicago on Oct 29, 2025 from 8:00–9:30am CT.
The company described rosnilimab as a pathogenic T cell depleter that produced a compelling safety and tolerability profile and JAK-like efficacy through six months, with effects that were reported as durable for at least three months off-drug. Paul Emery, M.D., University of Leeds, will present (Abstract ID 2215555). The presentation will be available for download from the company website after the session.
AnaptysBio (NASDAQ:ANAB) announced a virtual investor event scheduled for October 14, 2025, at 4:30 PM ET to discuss ANB033, their CD122 antagonist therapeutic candidate. The presentation will feature Dr. Joseph A. Murray from Mayo Clinic alongside the company's management team.
The event will cover three key areas: ANB033's mechanism of action as a CD122 receptor antagonist, preclinical and initial Phase 1a data from healthy volunteers, and celiac disease biology along with Phase 1b trial design. A Q&A session will follow the presentation, with a live webcast available on the company's investor relations website.
AnaptysBio (NASDAQ:ANAB) announced plans to split into two independent, publicly traded companies by year-end 2026. The first entity, temporarily named Royalty Management Co, will manage royalties from collaborations including GSK's Jemperli (generating $482M in 1H 2025) and Vanda's imsidolimab. The second entity, Biopharma Co, will focus on developing immunology therapeutics, including rosnilimab, ANB033, and ANB101.
Key financials include Jemperli's tiered royalties of 8-25% on net sales, with GSK projecting peak sales of £2 billion ($2.7B). The Vanda collaboration could yield up to $35M in milestones plus 10% royalties. Current Jemperli royalties are directed to Sagard until reaching $600M by 2031 or $675M thereafter, with an estimated $250M accrued through 2025.
AnaptysBio (Nasdaq: ANAB), a clinical-stage biotechnology company specializing in immunology therapeutics, has announced its participation in three major investor conferences in September 2025.
The company's leadership, including CEO Daniel Faga, will participate in fireside chats and one-on-one investor meetings at the Cantor Global Healthcare Conference (Sept. 3), Wells Fargo Healthcare Conference (Sept. 4), and Stifel Virtual Immunology and Inflammation Forum (Sept. 16). All sessions will be available via webcast on the company's investor relations website.
AnaptysBio (NASDAQ:ANAB) reported Q2 2025 financial results and significant clinical progress. The company announced positive Phase 2b data for rosnilimab in rheumatoid arthritis, showing JAK-like efficacy and durable responses. Enrollment was completed for the Phase 2 ulcerative colitis trial, with top-line data expected in Q4 2025.
Financial highlights include $293.7M in cash as of June 30, 2025, collaboration revenue of $22.3M for Q2, and a net loss of $38.6M. The company expects to trigger a $75M milestone payment from GSK when Jemperli reaches $1B in annual sales. AnaptysBio has repurchased 2.85M shares (9.3%) under its stock buyback program and maintains cash runway through 2027.
The company plans to initiate a Phase 1b trial for ANB033 in celiac disease by Q4 2025 and continues Phase 1 trials for ANB033 and ANB101 in healthy volunteers.
AnaptysBio (NASDAQ: ANAB) has announced it will host an investor call and webcast on June 3, 2025 to present updated data from its global Phase 2b RENOIR clinical trial. The trial evaluates rosnilimab, a PD-1+ T cells depleter and agonist, for treating moderate-to-severe rheumatoid arthritis.
The presentation will feature distinguished speakers including Paul Emery, M.D. from the University of Leeds and Jonathan Graf, M.D. from UCSF. Following the data release, company executives led by CEO Daniel Faga will participate in two major investor conferences: the Jefferies Global Healthcare Conference on June 5 and the Goldman Sachs Global Healthcare Conference on June 11, 2025.
AnaptysBio (ANAB) has announced a $75 million Stock Repurchase Plan authorized by its Board of Directors. The clinical-stage biotechnology company maintains a strong financial position with over $420 million in cash, cash equivalents, and investments as of December 31, 2024.
The company expects to receive a $75 million commercial sales milestone payment from GSK in 2025 or 2026. Despite the potential full execution of the buyback plan, AnaptysBio reaffirms its cash runway guidance through year-end 2027 for its R&D plan, excluding future royalties from its GSK immuno-oncology collaboration.
The stock repurchase program will run through December 31, 2025, with shares to be bought in open market transactions under Rules 10b5-1 and 10b-18. The company maintains flexibility to suspend or discontinue the program at any time.