This is a first-in-human, multi-center, open-label clinical study with separate Dose Escalation and Expansion Phases to assess preliminary safety, tolerability, and efficacy of KPT-9274, a dual inhibitor of PAK4 and NAMPT, in patients with advanced solid malignancies (including sarcoma, colon, lung, etc.) or NHL for which all standard therapeutic options considered useful by the investigator have been exhausted.