find a list of basic informations here:
https://blog.gnosis.pm/a-short-overview-of-the-gnosis-token-auction-10288a07135f

Up to 9M out of 10M tokens are offered for sale. However - we will sell them in an auction to those who bid the most - so it is possible that we will sell less then 9M tokens IF we reach the cap of $12.5M earlier.

Find a sales schedule here:
https://docs.google.com/spreadsheets/u/1/d/1vYjDat8wLd97pEfrdkzOcHd5ZLOlYjpDSkJaTnEDe1E/edit#gid=0