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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.

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 Stock Repurchase Plan of which Anaptys has repurchased a total of 3,443,188 shares of common stock (11.2% shares outstanding before the start of this repurchase plan).

AnaptysBio, Inc. (Nasdaq: ANAB), a clinical-stage biotechnology company focused on delivering innovative immunology therapeutics, announced it has filed a Verified Complaint in Delaware Chancery Court, requesting a court declaration that TESARO, Inc. (“Tesaro”) has materially breached the parties’ Collaboration and Exclusive License Agreement (“Collaboration Agreement”) and that GSK (Tesaro’s corporate parent) has tortiously interfered with the Collaboration Agreement. Anaptys has requested that the court declare that Anaptys is entitled to all rights and remedies under the Collaboration Agreement.