Robert Williams III had a triple-double against the Suns on December 31.

robert williams iii last triple-double
NAMEDATETMOPPTD3MINPTSREBASTSTLBLKTOVFGMFGAFG%3PM3PA3P%FTMFTAFT%PF+/-
Robert Williams IIIRobert Williams III12/31/2021
BOSBOS
vs
PHXPHX
13510111025355100.000002+14
StatMuse has game-level data for triple-doubles going back to the 1950-51 season.