NK cells from healthy donors were isolated from peripheral blood and stimulated overnight with IL-12/15/18 to induce a memory-like phenotype. After 7 days of culture, the phenotype and degranulation potential of CIML NK cells was characterized in two distinct NK cell subsets: CD16+/CD56+ and CD16−/CD56. Finally, NK cell subsets were purified using fluorescence-activated cell sorting (FACS) and subjected to high-throughput multiplexed quantitative proteomics.