Ebert was traded to the Rangers from the Senators along with a 2020 fifth-round pick in exchange for Vladislav Namestnikov, Bruce Garrioch of the Ottawa Sun reports.
Ebert signed a one-year, two-way contract with Ottawa on Monday.
Ebert will join KHL Slovan Bratislava after an average minor-league season in which he tallied 25 points in 68 outings.
Ebert was traded to the Stars in exchange for Jack Campbell on Saturday, reports the NHL Network.
Ebert has been reassigned to the AHL, Jon Rosen of LA Kings Insider reports.
Ebert was recalled from AHL Ontario on Monday.
Nick Ebert has agreed to a three-year, entry-level contract with the Los Angeles Kings.
Ebert had 13 goals and 40 assists in 65 OHL games with the Windsor Spitfires and Guelph Storm in 2013-14. He was selected with the last pick in the 2012 NHL Entry Draft.