Kempny cleared unconditional waivers and his contract with Seattle was terminated Friday.
Seattle put Kempny on unconditional waivers Thursday, according to Greg Wyshynski of ESPN.com.
Kempny (upper body) was placed on waivers Sunday by the Kraken.
Kempny (upper body) skated Monday, but he remains day-to-day, Andy Eide of the Kraken's official site reports.
Kempny (undisclosed) won't return to Thursday's game versus the Canucks, Kate Shefte of The Seattle Times reports.
Kempny signed a one-year, $750,000 contract with Seattle on Sunday, per PuckPedia.
Kempny will play Sunday against the Stars, Tarik El-Bashir of The Athletic reports.
Kempny (COVID-19 protocols) exited the NHL's protocols and practice with the team Monday, Tarik El-Bashir of The Athletic reports.
Kempny entered the NHL's COVID-19 protocols Friday.
Kempny was promoted to the active roster Wednesday, per CapFriendly.