Contributes to mitotic spindle assembly, maintenance of centrosome integrity and completion of cytokinesis as part of the HAUS augmin-like complex. {ECO:0000269|PubMed:19369198, ECO:0000269|PubMed:19427217}. This is the function of Ensembl gene identifier ENSG00000092036 (HAUS4, HAUS augmin like complex subunit 4).