April 5, 2004 : The Atlanta Thrashers assigned goaltender Kari Lehtonen to Chicago of the American Hockey League and goaltender Michael Garnett to Gwinnett of the ECHL
March 26, 2004 : The Atlanta Thrashers assigned goaltender Michael Garnett to Gwinnett of the ECHL
March 12, 2004 : The Atlanta Thrashers recalled goaltender Kari Lehtonen from Chicago of the American Hockey League; reassigned goaltender Frédéric Cassivi to Chicago
Febuary 19, 2004 : The Atlanta Thrashers recalled goaltender Frédéric Cassivi from Chicago of the American Hockey League
Febuary 4, 2004 : The Atlanta Thrashers assigned goaltender Frédéric Cassivi to Chicago of the American Hockey League
January 31, 2004 : The Atlanta Thrashers recalled goaltender Frédéric Cassivi from Chicago of the American Hockey League
November 29, 2003 : The Atlanta Thrashers placed goaltender Jani Hurme on injured reserve, retroactive to October 4
October 3, 2003 : The Carolina Hurricanes traded goaltender Jani Hurme to the Atlanta Thrashers for Atlanta's 4th round choice in the 2004 Entry Draft
September 29, 2003 : The Atlanta Thrashers assigned goaltender Kari Lehtonen to Chicago of the American Hockey League
September 23, 2003 : The Atlanta Thrashers assigned goaltender Frederic Cassivi to Chicago of the American Hockey League
September 17, 2003 : The Atlanta Thrashers assigned goaltender Michael Garnett to Chicago of the American Hockey League
September 15, 2003 : The Atlanta Thrashers traded goaltender Milan Hnilicka to the Los Angeles Kings for futuer considerations
August 11, 2003 : The Atlanta Thrashers re-signed goaltender Pasi Nurminen
July 14, 2003 : The Atlanta Thrashers named Darren Eliot director of community hockey programs
June 12, 2003 : The The Atlanta Thrashers exercised their contract option on goaltender Byron Dafoe for the 2003-04 season
June 8, 2003 : Goaltender Norm Maracle signed as a free agent in Russia
June 4, 2003 : The The Atlanta Thrashers announced that they have come to terms with goaltender Kari Lehtonen