Burger chain Shake Shack orders up initial public offering

Shake Shack is bringing its burgers, milkshakes and crinkle-cut fries to Wall Street.

The New York-based premium burger chain filed for an initial public offering, hoping to raise as much as $100 million. It didn't say how many shares it plans to offer, or at what price, so that number will likely change. It plans to use the money raised to open more restaurants.

The company's origins go back to 2001, when the owners opened a popular hot dog cart in a New York City park. Three years later, it opened a kiosk under the Shake Shack name in the same park. The company now has 63 restaurants around the world.

Shake Shack cooks its burgers to order and promotes its use of natural ingredients, including hormone- and antibiotic-free beef.