Key Performance
More- Earnings Score: 72
- Momentum Score: 94
- True Yield: N/A
- Financial Health Score: 76
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Latest Research & News
Delaware Chancery Court Rules in Favor of Anaptys by Dismissing Tesaro’s Anticipatory Breach Claim
A Delaware Chancery Court dismissed Tesaro's (GSK subsidiary) anticipatory breach of contract claim against AnaptysBio, rejecting requests for royalty reductions on Jemperli. The ruling affirms Anaptys has not repudiated the collaboration agreement and validates the company's efforts to protect its contractual rights. A trial is scheduled for July 14-17, 2026, where Anaptys will pursue claims that Tesaro/GSK materially breached the agreement and seek potential reversion of Jemperli.
04/24/2026, 3:40 PM • GlobeNewswire
AnaptysBio filed a motion to dismiss Tesaro's anticipatory breach of contract claim in Delaware Chancery Court regarding their Collaboration Agreement over royalties from Jemperli (dostarlimab). Anaptys claims it sought good faith discussions to resolve alleged breaches by Tesaro and GSK, but Tesaro initiated a lawsuit without notice. The court is expected to hear arguments by early March, with trial scheduled for July 14-17, 2026.
01/08/2026, 6:00 PM • GlobeNewswire
GSK Unit Tesaro Sues AnaptysBio, Threatening Key Cancer Drug Jemperli Royalties
GSK's subsidiary Tesaro has filed a lawsuit against AnaptysBio in Delaware Chancery Court, alleging breach of a license agreement for the cancer drug Jemperli, and seeking to protect its royalty rights.
11/21/2025, 8:48 AM • Benzinga
Anaptys Initiates Litigation Against Tesaro, a GSK Subsidiary
AnaptysBio filed a legal complaint in Delaware Chancery Court against Tesaro and GSK, alleging material breaches of their Collaboration Agreement, specifically related to PD-1 antagonist research and commercial efforts for the drug Jemperli.
11/21/2025, 3:50 AM • GlobeNewswire
12 Health Care Stocks Moving In Monday's After-Market Session
Multiple health care stocks experienced significant price movements during Monday's after-market trading session, with some companies seeing notable gains while others experienced declines.
09/29/2025, 5:06 PM • Benzinga
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Company Profile
AnaptysBio, Inc., a clinical-stage biotechnology company, focuses in delivering immunology therapeutics for autoimmune and inflammatory diseases in the United States. The company's products include Rosnilimab, a selective pathogenic T cell deplete which completed a Phase 2b trial for the treatment of moderate-to-severe rheumatoid arthritis; ANB033, a CD122 antagonist, which is in a Phase 1b trial for celiac disease and eosinophilic esophagitis; ANB101, a BDCA2 modulator antibody which is in Phase 1a trial that specifically targets plasmacytoid dendritic cells and inhibits interferon secretion and modulates antigen presentation; dostarlimab, a PD-1 antagonist for various solid tumor indications; and Imsidolimab, an antibody that inhibits the interleukin-36 receptor, which is in the Phase 3 development for the treatment of generalized pustular psoriasis. It focuses on developing various antibody programs that are advanced to preclinical and clinical milestones under its collaborations. It has collaborations agreement with GSK and Vanda. The company was formerly known as Anaptys Biosciences, Inc. and changed its name to AnaptysBio, Inc. in July 2006. AnaptysBio, Inc. was incorporated in 2005 and is based in San Diego, California.