December 12, 2017: St. John's Edge signed and activated Wally Ellensen and Vasilije Curcic.
December 12, 2017: Niagara River Lions place Carl Hall on Inactive list. SIgned and activated Jaywuan Hill.
December 11, 2017: London Lightning released DeAndre Thomas.
December 11, 2017: London Lightning signed and activated Kyle Johnson.
December 9, 2017: The National Basketball League of Canada suspends Royce White and Ryan Anderson for tonight's game against the Windsor Express for actions that occurred on Friday night's game against the Niagara River Lions.
December 9, 2017: The National Basketball League of Canada suspends Haakim Johnson of the Cape Breton Highlanders one game, to be served December 9 2017, for intentionally kicking a ball during the December 8, 2017 game versus Halifax.
December 8, 2017: Saint John Riptide deactivate Brian Addison. Activate Jeremiah Mordi.
December 8, 2017: St. John's Edge release Marcus Lewis. Place Jordan Jensen-Whyte on Inactive Reserve list.
December 6, 2017: Cape Breton Highlanders signed and activated Antonio Bigelow.
December 5, 2017: Windsor Express activated Robert Nortmann. Deactivated Christopher Stanhope.
December 5, 2017: Cape Breton Highlanders signed and activated Kyle Desmarais.
December 2, 2017: Cape Breton Highlanders release Ari Stewart and Shamus Ferguson.
December 1, 2017: Island Storm signed and activated Marcus Bell. Placed Trinity Burdine on Inactive Reserve.