Cellectis is a gene-editing company employing its core proprietary technologies to develop products in the field of immuno-oncology. UCART19 is Co.'s lead product. UCART19 is an engineered T-cell product which drives its ability to target and kill CD19-bearing cells, such as B-cell malignancies. Co. is also developing wholly-owned product candidates UCART123, UCARTCS1 and UCART38, which are in various stages of development. UCART 123, UCARTCS1 and UCART38 are engineered T-cell products that bear CARs that seek to kill cells expressing targets CD123, CS1 and CD38, respectively, which are found in other hematologic tumors, such as acute myeloid leukemia, or AML, and multiple myeloma, or MM.