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Boundless Bio Announces Upcoming Presentation of Oral Kinesin Degrader Program at the American Association for Cancer Research Annual Meeting 2026

Key Takeaway: Boundless Bio has announced a poster presentation for its oral Kinesin degrader program at the AACR Annual Meeting 2026. The presentation will detail the development of BBI-940, a selective Kinesin degrader aimed at treating advanced breast cancer types. This innovative approach targets extrachromosomal DNA, which is linked to oncogene amplification in cancer cells. The presentation is scheduled for April 21, 2026, in San Diego.

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POSITIVE FACTORS

  • Upcoming presentation at a prestigious conference.
  • Development of a potentially first-in-class therapy.
  • Focus on addressing significant unmet needs in oncology.
  • Targeting a novel kinesin essential for cancer cell survival.

Full Press Release Details

SAN DIEGO, March 17, 2026 (GLOBE NEWSWIRE) --Boundless Bio(Nasdaq: BOLD), a clinical-stage oncology company interrogating extrachromosomal DNA (ecDNA) biology to deliver transformative therapies to patients with previously intractable oncogene amplified cancers, today announced an upcoming poster presentation on their oral Kinesin degrader program at the American Association for Cancer Research (AACR) Annual Meeting 2026, which is being held April 17 – 22, in San Diego, CA.
Boundless has identified a novel kinesin target (“Kinesin”) essential to ecDNA segregation and inheritance in cancer cells, but non-essential in healthy cells. Boundless is developing BBI-940, a potentially first-in-class, oral, selective, Kinesin degrader, which is the subject of the ongoing first-in-human KOMODO-1 (KinesinOralMolecularDegrader forOncology) clinical trial(NCT07408089)in patients with advanced or metastatic estrogen receptor-positive, HER2-negative (ER+/HER2-) breast cancer or triple-negative breast cancer of the luminal androgen receptor subtype (TNBC-LAR).
Details of the presentation are as follows:
Title:Selective degradation of a novel kinesin as a potential therapeutic strategy addressing high-risk extrachromosomal DNA (ecDNA) positive cancers, including breast cancerAbstract Presentation Number:LB361Session Title:Late-Breaking Research: Experimental and Molecular Therapeutics 3Session Date and Time:Tuesday, April 21, 2026, 2:00 PM - 5:00 PM PTLocation:Poster Section 53Poster Board Number:18

About Boundless Bio

Boundless Bio is a clinical-stage oncology company dedicated to unlocking a new paradigm in cancer therapeutics that addresses the significant unmet need in patients with oncogene amplified tumors. Boundless Bio’s research focuses on extrachromosomal DNA (ecDNA), a root cause of oncogene amplification observed in 14% to 17% of cancer patients. Boundless Bio is developing BBI-940, a potentially first-in-class oral, selective, Kinesin degrader as an ecDNA-directed therapeutic candidate (ecDTx). Boundless Bio is headquartered in San Diego, CA.
For more information, visitwww.boundlessbio.comand follow us onLinkedInandX.

Contacts:James Lee, Boundless Biojlee@boundlessbio.com

InvestorsRenee Leckrenee@thrustsc.com

Frequently Asked Questions

What is the focus of Boundless Bio's presentation?

The presentation focuses on the oral Kinesin degrader program targeting high-risk ecDNA positive cancers.

When is the AACR Annual Meeting 2026?

The AACR Annual Meeting 2026 is scheduled for April 17-22 in San Diego, CA.

What is BBI-940?

BBI-940 is a potentially first-in-class oral Kinesin degrader being developed for cancer treatment.

What types of breast cancer does the KOMODO-1 trial target?

The trial targets advanced or metastatic ER+/HER2- breast cancer and TNBC-LAR.

Last updated: Mar 17, 2026