Teekay Tankers has sold a quartet of vessels as it remains laser-focused on bringing down its debt.

The New York-listed tanker owner disclosed alongside its fourth-quarter earnings that it had moved three 2003-built and one 2004-built suezmaxes, netting the company $78m as it works to whittle down its $516m in long-term debt.

On the call, chief executive Kevin Mackey largely ruled out share buybacks as a use for its $150.3m