secwatch.observer — SEC 8-K summary ====================================== Issuer: PDS Biotechnology Corp (PDSB) CIK: 0001472091 Form: 8-K Filed at: 2026-04-15T23:59:59+00:00 Accession: 0001140361-26-014693 Event type: other_material Sentiment: positive Materiality: 0.75 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 PDS Biotech reports 78% ORR for PDS01ADC in MSS mCRC liver metastases trial --------------------------------------------------------------------------- - Stage 1 of Phase 2 NCI-led trial: 77.8% ORR (7/9) with PDS01ADC plus HAIP vs 35% in parallel study without PDS01ADC. - PDS01ADC plus HAIP showed ~85% 2-year survival rate; comparator arm had ~40% for MSS/pMMR metastatic colorectal cancer. - Extrahepatic progression-free survival median not reached at 13.1 months minimum follow-up; comparator median 8.1 months. - Data published in JCO Oncology Advances March 10, 2026; trial enrolls patients who failed at least one prior treatment. - MSS/pMMR colorectal liver metastases represent ~95% of mCRC where checkpoint inhibitors have failed. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1472091/000114036126014693/0001140361-26-014693-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1472091/000114036126014693/ef20070560_8k.htm HTML page: https://secwatch.observer/filing/0001140361-26-014693 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer