Gander Mountain Reports First Quarter Results Outdoor retailer Gander Mountain Co. reported Wednesday sales increased to $155.6 million in the first quarter, a 15 percent increase over the same period last year. For the quarter, the company reported a net loss of $23 million, or $1.61 per share, compared to $17.6 million, or $1.23 per share, last year. Comparable store sales decreased 10.4 percent. The company also announced last week it will open five new stores this fall in Lake Mary, Fla.; Charleston, W.Va.; Knoxville, Tenn.; Huntsville, Ala.; and Winchester, Va. Gander Mountain is traded on the NASDAQ National Market under the ticker symbol GMTN.