HCW Biologics Inc. (the "Company" or "HCW Biologics") (NASDAQ:HCWB), a U.S.-based clinical-stage biopharmaceutical company developing transformative fusion immunotherapeutics to support or treat diseases promoted by chronic inflammation, focusing on autoimmune disorders and other inflammatory diseases, cancer and senescence-associated dysplasia, today announced that its Board of Directors has approved a 1-for-6 reverse stock split of the Company’s common stock, par value $0.0001 ("Common Stock"), which will be effective at 12:01 a.m. Eastern Time on June 30, 2026.