Men are silhouetted against a video screen with a Twitter logo as they pose with Samsung S3 and S4 smartphones in this photo illustration taken in the central Bosnian town of Zenica in this file photo
Twitter made its S-1 filing available to the public on Thursday, finally shedding some light on its initial public offering plans.
The company plans to trade under the ticker TWTR and seeks to raise $1 billion, according to the filing.
(Read more: Why Twitter's moving ahead with its IPO now )
Twitter has seen rapid growth recently. In 2012 the company saw an increase in revenue of 198 percent to about $317 million and a decrease in net loss of 38 percent to about $79 million, according to the filing.
According to the filing, Twitter has 250 million monthly active users, 100 million of those are daily active users.
The company said in the filing that mobile is the primary driver of its business and that 75 percent of the monthly active users access Twitter from a mobile device. Those monthly active mobile users account for over 65 percent of Twitter's advertising revenue coming from mobile. Twitter said it expects its mobile revenue to continue to grow in the near term.
There's still a lot of information that won't be revealed until later-like the number of shares the company plans to offer and the price of the shares-but the filing does give some insight into which investors stand to make the most money from the offering.
Jack Dorsey, Twitter's co-founder, has a 4.9 percent stake in the company; Evan Williams, another co-founder, has a 12 percent stake and Peter Fenton, a Twitter board member, has a 6.7 percent stake.
In September, the company announced it had confidentially submitted documents to the U.S. Securities and Exchange Commission with plans to go public, but Twitter didn't reveal anything else about its IPO plans. The filing was made under the JOBS Act, which allows companies making less than $1 billion in revenue to work with regulators on IPO plans before actually making it public.
The micro-blogging site has been valued at about $10 billion and is one of the most anticipated Silicon Valley IPOs since Facebook (FB).
(Read more: Twitter may kickstart consumer-tech IPO train )
This story is developing. Check back on CNBC.com for updates.
(Read more: Who owns Twitter? )
-By CNBC's Cadie Thompson. Follow her on Twitter @CadieThompson.
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