SAN DIEGO, Nov. 25, 2025 (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, and/or other members of its executive leadership team, are scheduled to participate in multiple upcoming investor conferences: Piper Sandler 37th Annual Healthcare Conference, New York, NY Format – Fireside chat and 1x1 investor meetingsDate and Time – ...

GSK plc (NYSE:GSK) subsidiary, Tesaro Inc., has initiated litigation against AnaptysBio, Inc. (NASDAQ:ANAB) in the Delaware Chancery Court.ANAB is encountering selling pressure. Get the scoop hereGSK acquired Tesaro in December 2018 for approximately $5.1 billion (4.0 billion British pounds)The action contends that recent conduct by AnaptysBio is in material breach of the existing license agreement with TESARO regarding the oncology treatment Jemperli (dostarlimab).The breach entitles TESARO to terminate th ...

SAN DIEGO, Nov. 21, 2025 (GLOBE NEWSWIRE) -- AnaptysBio, Inc. (NASDAQ:ANAB), a clinical-stage biotechnology company focused on delivering innovative immunology therapeutics, today announced that its Board of Directors has authorized an amended Stock Repurchase Plan under which the Company may repurchase up to $100.0 million of the Company's outstanding common stock, par value $0.001 per share. This amendment is in addition to the $6.4 million that remained as of Nov. 20, 2025 under the current $75.0 million ...

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].

Summary of AnaptysBio Conference Call Company Overview - **Company**: AnaptysBio - **Core Areas**: Biopharma business and drug development focusing on rosnilimab, ANB033, and a royalty business from GSK's Jemperli [2][3] Key Points on Drug Development - **Rosnilimab**: - A PD-1 pathogenic T-cell depleter aimed at treating arthritis, with plans to advance into phase three trials [2] - Recent trial in ulcerative colitis (UC) did not meet criteria for progression; the drug was found ineffective for UC despite being safe [4][5] - High bar for remission was not met, leading to a focus on rheumatoid arthritis (RA) instead [7][11] - Data from a 424-patient trial in RA showed 85% of patients maintained low disease activity or remission after 14 weeks off the drug [12] - Market opportunity in RA is significant, with a second-line plus market valued at $10 billion in the U.S. alone [15] - **ANB033**: - Currently enrolling patients in initial celiac disease trials, with data expected by the end of Q4 next year [2][14] - The company is exploring additional indications for this drug, including eosinophilic esophagitis (EOE) [30] Royalty Business - **Jemperli Royalties**: - Expected to generate significant revenue, with GSK guiding for over $2.7 billion in sales, translating to approximately $390 million in royalty value for AnaptysBio [33] - The royalty business is being separated to highlight its value, which is expected to exceed the current market cap of AnaptysBio [32][36] - The separation aims to provide clarity and attract investors focused on growth opportunities [36] Market Dynamics and Competitive Landscape - **Market Opportunity**: - There are 500,000 patients cycling off TNF therapies, with 150,000 having no other treatment options, indicating a substantial unmet need [15] - The competitive landscape includes other companies like Teva and Novartis, which are also pursuing treatments for celiac disease and other indications [28][29] - **Safety and Efficacy Concerns**: - Comparisons were made with Lilly's PD-1 agonist, which faced efficacy issues, suggesting that AnaptysBio's drug has a better safety profile [18][19] - The company emphasizes that the class of drugs does not have inherent safety issues, but rather operational challenges in other trials [20] Future Plans and Financial Position - **Separation Timeline**: - The split into two companies is expected by the end of next year, with flexibility on timing based on regulatory processes [39][40] - AnaptysBio is well-funded with $300 million in cash, which will support ongoing and future trials [42] - **Strategic Focus**: - The company is committed to advancing rosnilimab in RA while also exploring other indications for ANB033 [14][45] - The royalty business will operate with a low cost of capital, focusing on returning value to shareholders [33][41] Conclusion - AnaptysBio is strategically positioning itself for growth through the advancement of its drug candidates and the separation of its royalty business, which is expected to provide significant revenue potential. The focus remains on addressing unmet medical needs in autoimmune diseases while ensuring a strong financial foundation for future developments.

Core Insights - AnaptysBio Inc. announced data from the Phase 2 trial of rosnilimab for moderate-to-severe ulcerative colitis, indicating that the drug did not meet its primary or key secondary endpoints [2][5]. Trial Results - Rosnilimab was found to be safe and well-tolerated, but it performed no better than placebo at Week 12, with clinical remission rates of 7% for patients receiving 400mg Q4W and 800mg Q2W, compared to 5% and 4% for endoscopic remission [2][5]. - The placebo rates in the trial were within expected historical ranges [2]. - Preliminary data suggested an increase in remission rates between Week 12 and Week 24, but these rates did not meet the six-month target product profile [5]. Financial Implications - The company will discontinue the ulcerative colitis trial, resulting in at least $10 million in savings [3]. Future Plans - AnaptysBio remains optimistic about the potential of rosnilimab in rheumatoid arthritis (RA) and plans to provide an update in H1 2026, including funding strategies that do not dilute royalties [4]. - The company is also conducting a Phase 1b study for ANB033 for celiac disease and plans to announce another Phase 1b study in a different inflammatory disease in 2026 [7]. Market Reaction - Following the announcement, AnaptysBio shares fell by 13.63%, trading at $34.24 [8]. Strategic Moves - AnaptysBio reiterated its intention to separate biopharma assets from substantial royalty assets in 2026, including expected royalties of over $390 million per year from Jemperli at GSK's peak sales guidance of over $2.7 billion [8].

Core Insights - AnaptysBio's stock experienced a significant decline of over 15% following the failure of its experimental ulcerative colitis drug, rosnilimab, in midstage testing, reversing a previous 70% increase since late September [1][4]. Company Performance - The drug was found to be safe and tolerable, but it did not meet the primary and secondary goals of the study, leading AnaptysBio to discontinue the study [2]. - The stock price fell to 33.33, down from a breakout point of 28.50 established on September 30, when the company announced plans to separate its biopharma business from its royalty assets by the end of 2026 [4][5]. - Following the disappointing results, Leerink Partners analyst David Risinger reduced the price target for AnaptysBio stock from 62 to 58, reflecting a low probability of success for the drug [3]. Market Reaction - The stock's decline sent it back below a profit-taking zone, which is typically a signal for investors to take profits after a significant rise [5]. - AnaptysBio had previously shown improving price performance, earning an upgrade to its IBD Relative Strength Rating, but the recent developments have negatively impacted investor sentiment [6][7].

Core Insights - AnaptysBio announced that rosnilimab was safe and well tolerated but failed to meet primary and key secondary endpoints in a Phase 2 trial for moderate-to-severe ulcerative colitis, leading to the discontinuation of the trial and an estimated savings of at least $10 million [1][6][9] Group 1: Trial Results - The Phase 2 trial enrolled 136 patients with a baseline mean modified Mayo Score (mMS) of 6.7, who had inadequate responses to prior therapies [2][3] - At Week 12, clinical remission was achieved by 7% of patients receiving rosnilimab, compared to 5% and 4% for endoscopic remission [3][4] - Blood biomarker data indicated ~90% depletion of pathogenic T cells at Week 12, consistent with previous studies [4][6] Group 2: Future Plans - The company remains optimistic about advancing rosnilimab in rheumatoid arthritis (RA) and plans to provide updates in H1 2026, with funding expected from strategic sources without diluting royalties [2][6] - AnaptysBio intends to separate its biopharma assets from its royalty assets by 2026, which includes Jemperli royalties projected to exceed $390 million annually [2][11] Group 3: Safety Profile - Rosnilimab demonstrated a favorable safety profile, with adverse events primarily mild to moderate, including nasopharyngitis and dizziness [7][13] - No serious adverse events or malignancies were reported, and the ongoing safety profile remains consistent with previous studies [8][13]