Stephenson produced two assists in Tuesday's 7-3 victory against Nashville.
Stephenson secured a seven-year, $43.75 million contract with Seattle on Monday, Darren Dreger of TSN reports.
Stephenson recorded an assist, two hits, three blocked shots and two PIM in Saturday's 3-2 overtime loss to the Stars in Game 3.
Stephenson (undisclosed) will return to practice Saturday.
Stephenson (undisclosed) will not be in the lineup versus Anaheim on Thursday, Danny Webster of the Las Vegas Review-Journal reports.
Stephenson won't be in the lineup versus Chicago on Tuesday due to an undisclosed injury, Jesse Granger of The Athletic reports.
Stephenson (personal) rejoined the team ahead of Friday's matchup with Minnesota, Sin Bin Vegas reports.
Stephenson (personal) isn't expected to play Wednesday versus Edmonton, according to Oilers play-by-by announcer Jack Michaels.
Stephenson (personal) has returned to Vegas and is questionable to play Wednesday in Edmonton, per SinBin.vegas.
Stephenson notched an assist and two hits in Saturday's 2-1 overtime win over the Wild.