Trial to resolve all claims in the Anaptys and Tesaro/GSK dispute is scheduled for July 14-17, 2026 SAN DIEGO, Jan. 08, 2026 (GLOBE NEWSWIRE) -- AnaptysBio, Inc. (Nasdaq: ANAB), a clinical-stage biotechnology company focused on delivering innovative immunology therapeutics, filed a partial motion to dismiss Tesaro’s anticipatory breach of contract claim in Delaware Chancery Court related to pending litigation between Anaptys, GSK, and TESARO, Inc. (“Tesaro”) regarding their Collaboration and Exclusive Licen ...

Trial to resolve all claims in the Anaptys and Tesaro/GSK dispute is scheduled for July 14-17, 2026 SAN DIEGO, Jan. 08, 2026 (GLOBE NEWSWIRE) -- AnaptysBio, Inc. (Nasdaq: ANAB), a clinical-stage biotechnology company focused on delivering innovative immunology therapeutics, filed a partial motion to dismiss Tesaro’s anticipatory breach of contract claim in Delaware Chancery Court related to pending litigation between Anaptys, GSK, and TESARO, Inc. (“Tesaro”) regarding their Collaboration and Exclusive Licen ...

SAN DIEGO, Jan. 06, 2026 (GLOBE NEWSWIRE) -- AnaptysBio, Inc. (Nasdaq: ANAB), a clinical-stage biotechnology company focused on delivering innovative immunology therapeutics, today announced that Daniel Faga, president and chief executive officer of Anaptys, will present at the 44th Annual J.P. Morgan Healthcare Conference on Tuesday, Jan 13, 2026 at 4:30pm PT / 7:30pm ET. A live webcast of the presentation will be available on the investor section of the Anaptys website at https://ir.anaptysbio.com/presen ...

Summary of AnaptysBio FY Conference Call (December 03, 2025) Company Overview - **Company**: AnaptysBio (NasdaqGS:ANAB) - **Industry**: Biopharmaceuticals Key Points Business Segments and Developments - **Biopharma Operations**: - **ANB033**: A CD122 antagonist, initiated a trial for celiac disease in 2025, with data expected in Q4 2026. A second trial for eosinophilic esophagitis (EOE) is planned for 2026 [4][19]. - **Rosnilimab**: Advanced program for rheumatoid arthritis (RA) with positive phase 2b data from a study involving 424 patients. Plans to move into phase 3 development in 2026 with external funding [4][12]. - **Royalty Management**: - **Jemperli**: Expected to generate $1.4 billion in sales at GSK, with significant royalty rights. The company plans to separate the royalty management business from biopharma assets in 2026 [5][31]. Clinical Trials and Efficacy - **Rosnilimab**: - Phase 2 trial in ulcerative colitis (UC) showed good safety but insufficient efficacy to continue. The focus will be on RA with a phase 3 design that includes placebo-controlled trials [6][8]. - 69% of patients achieved low disease activity (CDAI) by week 14, with a placebo-adjusted delta over 20% [11]. - Safety profile was unremarkable, with no malignancies or serious infections reported [15]. - **ANB033**: - Targeting celiac disease with a focus on mucosal healing, measuring villus height to crypt depth ratio. The phase 1B trial will assess both gluten challenge and patients with severe mucosal injury [20][22]. - The market for celiac disease treatment is estimated to be multi-billion dollars, with over 250,000 patients in the U.S. not well controlled on a gluten-free diet [26]. Financial and Strategic Considerations - The company anticipates ending 2025 with $300 million in cash, including $75 million milestone from GSK upon Jemperli exceeding $1 billion in sales [36]. - Plans to separate the biopharma and royalty management businesses in 2026, ensuring each can operate independently and maintain value [29][35]. - The royalty management business is projected to become cash flow positive by Q2 2027 [31][37]. Legal and Regulatory Issues - Ongoing litigation with GSK regarding Jemperli, with AnaptysBio contending that GSK is in breach of obligations related to the asset's development [33][34]. - The separation plans are independent of the litigation, ensuring that the biopharma operations can execute their strategy regardless of the trial outcome [35]. Market Outlook - The biopharma segment is expected to capture significant value post-separation, with potential for growth in both ANB033 and Rosnilimab [40]. - The company believes there is substantial upside in the biopharma business that is currently undervalued by the market [40]. Additional Insights - The company is exploring strategic partnerships for RA development while protecting its royalty stream [9][16]. - There is a focus on broadening the ANB033 program with potential for multiple indications, including EOE [39]. This summary encapsulates the critical developments and strategic outlook for AnaptysBio as discussed in the conference call, highlighting both opportunities and challenges within the biopharmaceutical landscape.

Group 1 - AnaptysBio, Inc. is a clinical-stage biotechnology company focused on innovative immunology therapeutics for autoimmune and inflammatory diseases [2] - The company's pipeline includes rosnilimab, ANB033, and ANB101, with various stages of clinical trials [2] - Anaptys plans to separate its biopharma operations from its royalty assets by year-end 2026 to better align with investor interests [3] Group 2 - Upcoming investor conferences include the Piper Sandler 37th Annual Healthcare Conference and the Evercore 8th Annual Healthcare Conference [1] - Live webcasts of the events will be available on the Anaptys investor website, with replays accessible for at least 30 days [1] - The company is engaging in fireside chats and one-on-one investor meetings on specific dates in December 2025 [4]

Core Viewpoint - AnaptysBio, Inc. has authorized an amended Stock Repurchase Plan allowing for the repurchase of up to $100 million of its common stock, in addition to the remaining $6.4 million from a previous plan [1][2]. Group 1: Stock Repurchase Plan - The amended Stock Repurchase Plan allows AnaptysBio to repurchase up to $100 million of its outstanding common stock, with $6.4 million remaining from the previous $75 million plan [1]. - As of November 20, 2025, AnaptysBio has repurchased a total of 3,443,188 shares, representing 11.2% of shares outstanding before the initiation of the repurchase plan [1]. - The repurchase may occur through open market transactions or other means, with the plan set to expire on March 31, 2026, and can be suspended or discontinued at any time [3]. Group 2: Financial Position - AnaptysBio anticipates ending 2025 with approximately $300 million in cash, cash equivalents, and investments, which includes a one-time $75 million commercial sales milestone expected in Q4 2025 from GSK [2]. Group 3: Company Overview - AnaptysBio is a clinical-stage biotechnology company focused on innovative immunology therapeutics for autoimmune and inflammatory diseases, with a pipeline that includes several candidates in various stages of clinical trials [4]. - The company has out-licensed therapeutic antibodies, including a PD-1 antagonist to GSK and an IL-36R antagonist to Vanda Pharmaceuticals [4]. - AnaptysBio plans to separate its biopharma operations from its royalty assets by the end of 2026, allowing investors to align their investment strategies with each entity's objectives [5].

Core Viewpoint - AnaptysBio, Inc. has authorized an amended Stock Repurchase Plan allowing for the repurchase of up to $100 million of its common stock, in addition to the remaining $6.4 million from the previous plan [1][2] Group 1: Stock Repurchase Plan - The amended Stock Repurchase Plan allows AnaptysBio to repurchase up to $100 million of its outstanding common stock, with $6.4 million remaining from the previous $75 million plan [1] - As of November 20, 2025, AnaptysBio has repurchased a total of 3,443,188 shares, representing 11.2% of shares outstanding before the initiation of the repurchase plan [1] - The new plan will expire on March 31, 2026, and the timing and number of shares repurchased will depend on market conditions and other factors [3] Group 2: Financial Position - AnaptysBio anticipates ending 2025 with approximately $300 million in cash, cash equivalents, and investments, which includes a one-time $75 million commercial sales milestone expected in Q4 2025 from GSK [2] Group 3: Company Overview - AnaptysBio is a clinical-stage biotechnology company focused on innovative immunology therapeutics for autoimmune and inflammatory diseases, with a pipeline that includes several candidates in various stages of clinical trials [4] - The company plans to separate its biopharma operations from its royalty assets by the end of 2026, allowing investors to align their investment strategies with each entity's objectives [5]

Core Viewpoint - AnaptysBio has filed a Verified Complaint against Tesaro and GSK, alleging material breaches of their Collaboration Agreement and seeking legal remedies [1][2]. Group 1: Legal Disputes - Anaptys claims that Tesaro breached the Collaboration Agreement by participating in clinical trials with competing PD-1 antagonists and failing to use reasonable efforts to maximize commercial returns for Jemperli [2]. - Tesaro has initiated its own lawsuit against Anaptys, alleging that Anaptys improperly claimed breaches of the Collaboration Agreement [4]. - The parties are seeking an expedited trial schedule in Delaware Chancery Court, with a trial expected in July 2026 [5]. Group 2: Financial Implications - Anaptys is entitled to royalties from Jemperli sales, structured as 8% for net sales below $1 billion, 12% for sales between $1 billion and $1.5 billion, 20% for sales between $1.5 billion and $2.5 billion, and 25% for sales above $2.5 billion [7]. - A one-time $75 million commercial sales milestone is anticipated once Jemperli achieves $1 billion in worldwide net sales [7]. - Anaptys estimates that Sagard will accrue $250 million in royalties and sales milestones through the end of 2025, with full paydown expected between Q2 2027 and Q2 2028 [9]. Group 3: Background of the Collaboration - The Collaboration Agreement was established in March 2014, allowing Tesaro to develop Jemperli for various solid tumor indications [6]. - Anaptys previously filed a complaint against GSK in 2020 regarding breaches related to GSK's clinical trial of Zejula, which resulted in a settlement that included cash payments and increased royalties on Jemperli [3]. Group 4: Company Overview - AnaptysBio is a clinical-stage biotechnology company focused on innovative immunology therapeutics for autoimmune and inflammatory diseases, with a pipeline that includes multiple therapeutic candidates [10]. - The company plans to separate its biopharma operations from its royalty assets by the end of 2026 to better align with investor interests [11].

Core Viewpoint - AnaptysBio has filed a Verified Complaint against Tesaro and GSK, alleging material breaches of their Collaboration Agreement and seeking legal remedies [1][2]. Group 1: Legal Dispute - The Complaint asserts that Tesaro breached the Collaboration Agreement by engaging in clinical trials with competing PD-1 antagonists, including Keytruda, and failed to use reasonable efforts to maximize commercial returns for Jemperli [2]. - Anaptys previously filed a complaint against GSK in 2020 for similar breaches related to GSK's clinical trial of Zejula in combination with Keytruda, which resulted in a settlement that included cash payments and increased royalties on Jemperli [3]. - Tesaro has initiated its own lawsuit against Anaptys, claiming that Anaptys has breached the Collaboration Agreement, which Anaptys contends is without merit [4]. Group 2: Collaboration Agreement Details - The Collaboration Agreement, established in March 2014, involves Tesaro developing Jemperli for various solid tumor indications [6]. - Anaptys is entitled to royalties from Jemperli sales, structured as 8% for net sales below $1 billion, 12% for sales between $1 billion and $1.5 billion, 20% for sales between $1.5 billion and $2.5 billion, and 25% for sales above $2.5 billion [7]. - A one-time $75 million commercial sales milestone is anticipated once Jemperli achieves $1 billion in worldwide net sales [7]. Group 3: Financial Implications - The royalty term under the Collaboration Agreement extends until the expiration of composition of matter coverage, which is set to expire in 2035 in the U.S. and 2036 in the EU [8]. - Anaptys estimates that Sagard will have accrued $250 million in royalties and sales milestones through the end of 2025, with full paydown of $600 million expected between Q2 2027 and Q2 2028 [9]. Group 4: Future Developments - The parties have agreed to an expedited schedule with the Delaware Chancery Court, with a trial anticipated in July 2026 [5]. - Milestone and royalty payment obligations to Anaptys will continue during the legal proceedings [5].

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