SEZ6 expression exceeds that of approved and emerging ADC targets in SCLC   SEZ6 expression is positively correlated with DLL3 expression across neuroendocrine carcinomas, indicating potential for combination Findings support Whitehawk's development of SEZ6-directed ADC, HWK-206, with an IND submission expected mid-2026 MORRISTOWN, N.J., May 30, 2026 /PRNewswire/ -- Whitehawk Therapeutics, Inc. (Nasdaq: WHWK), a clinical-stage oncology therapeutics company applying advanced technologies to established tumor biology to efficiently deliver improved antibody drug conjugate (ADC) cancer treatments, today announced the presentation of a real world analysis supporting the therapeutic potential of targeting seizure related homolog protein 6 (SEZ6) with a next-generation ADC for the treatment of neuroendocrine tumors, including small cell lung cancer (SCLC).