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Anaptys to Provide Overview of ANB033, a CD122 antagonist, at Virtual Investor Event on Tuesday, Oct. 14

Key Takeaway: AnaptysBio, Inc. will host a virtual investor event on October 14 to discuss ANB033, a CD122 antagonist. The event will feature Dr. Joseph A. Murray from the Mayo Clinic and will include a Q&A session. ANB033 is currently being studied in a Phase 1b trial for celiac disease. AnaptysBio is focused on innovative immunology therapeutics.

Market Sentiment Analysis

POSITIVE FACTORS

  • AnaptysBio is hosting a virtual investor event to discuss ANB033.
  • The event features a notable expert from the Mayo Clinic.
  • ANB033 is positioned as a potentially best-in-class CD122 antagonist.
  • The company is advancing its pipeline with multiple Phase 1 trials.

Full Press Release Details

SAN DIEGO, Sept. 29, 2025 (GLOBE NEWSWIRE) -- AnaptysBio, Inc. (Nasdaq: ANAB), a clinical-stage biotechnology company focused on delivering innovative immunology therapeutics, today announced it will host a virtual investor event on ANB033, its CD122 antagonist, at 4:30pm ET / 1:30pm PT on Tuesday, Oct. 14.
The event will include Joseph A. Murray, M.D., professor of medicine, Division of Gastroenterology and Hepatology, Department of Internal Medicine, and Department of Immunology at the Mayo Clinic, along with members of the Anaptys management team.
The event will cover:
The event will be followed by a Q&A session.
A live webcast of the presentation will be available on the investor section of the Anaptys website athttps://ir.anaptysbio.com/presentations-and-events. A replay of the webcast will be available following the event.

About ANB033

ANB033, a potentially best-in-class CD122 antagonist, targets CD122, the common beta subunit of IL-15 and IL-2, to reduce NK cells and subsets of cytotoxic CD8+ and CD4+ T cells that are dependent on IL-15 and/or IL-2 for their maintenance, and survival and pathogenic activity. Anaptys has initiated a Phase 1b cohort in an initial indication, celiac disease.

About Anaptys

Anaptys is a clinical-stage biotechnology company focused on delivering innovative immunology therapeutics for autoimmune and inflammatory diseases. Its lead program, rosnilimab, a pathogenic T cell depleter, completed a Phase 2b trial for the treatment of rheumatoid arthritis and is in a Phase 2 trial for the treatment of ulcerative colitis. The company’s pipeline also includes ANB033, a CD122 antagonist, being studied in celiac disease and ANB101, a BDCA2 modulator, both in Phase 1 trials. Anaptys has also discovered and out-licensed in financial collaborations multiple therapeutic antibodies, including a PD-1 antagonist (Jemperli(dostarlimab-gxly)) to GSK and an IL-36R antagonist (imsidolimab) to Vanda Pharmaceuticals. To learn more, visitwww.AnaptysBio.comor follow us onLinkedIn.

Contact:Nick MontemaranoExecutive Director, Investor Relations858.732.0178investors@anaptysbio.com

Frequently Asked Questions

What is ANB033?

ANB033 is a CD122 antagonist that targets IL-15 and IL-2 pathways.

When is the virtual investor event?

The event is scheduled for October 14 at 4:30 PM ET.

Who will speak at the event?

Dr. Joseph A. Murray from the Mayo Clinic will present.

What indication is ANB033 being studied for?

ANB033 is being studied in a Phase 1b trial for celiac disease.

How can I access the event?

The event will be available via live webcast on AnaptysBio's investor site.

Last updated: Sep 29, 2025