Mahura was placed on waivers Saturday.
Mahura signed a one-year, $775,000 contract with the Kraken on Wednesday, Elliotte Friedman of Sportsnet reports.
Mahura is an unrestricted free agent after Florida didn't present him with a qualifying offer ahead of Sunday's deadline, David Dwork of The Hockey News reports.
Mahura (lower body) will play Saturday versus the Rangers, Jameson Olive of the Panthers' official site reports.
Mahura earned an assist in Saturday's 9-2 win over Tampa Bay.
Mahura (lower body) was put on injured reserve Friday, David Dwork of Local 10 Miami reports.
Mahura is slated to play in his first NHL playoff game Monday against Boston, Jameson Olive of the Panthers' official site reports.
Mahura signed a one-year contract extension with the Panthers on Friday.
The Panthers claimed Mahura off waivers from Anaheim on Monday, Elliotte Friedman of Sportsnet reports.
Mahura was placed on waivers Sunday, per CapFriendly.