Under Armour, Inc., has filed a registration statement on Form S-1 with the Securities and Exchange Commission for a proposed initial public offering of its common stock. It is anticipated that shares will be sold in the offering by the company and by certain stockholders. Under Armour hopes to raise $100 million dollars through this IPO by selling a yet to be determined number of shares.

Goldman, Sachs & Co. is acting as the lead underwriter and sole bookrunner for the proposed offering. Additionally, CIBC World Markets and Wachovia Securities are joint lead managers, and Piper Jaffray and Thomas Weisel Partners LLC are serving as co-managers.

The company plans to trade under the ticker symbol UARM.