 SOUTH SAN FRANCISCO, Calif., Oct. 01, 2021 GLOBE NEWSWIRE -- Nkarta, Inc. Nasdaq: NKTX, a biopharmaceutical company developing engineered natural killer NK cell therapies to treat cancer, today announced four presentations at the upcoming Society for Immunotherapy of Cancer SITC 36th Annual Meeting and Pre-Conference Programs to be held November 10-14, 2021. 