Zendesk Files IPO for Up to $150 Millionhttp://online.wsj.com/news/articles/SB10001424052702304058204579493270610293830?mg=reno64-wsj&url=http%3A%2F%2Fonline.wsj.com%2Farticle%2FSB10001424052702304058204579493270610293830.html by WadeF • 12 years ago 1 0 12 years agoONonline.wsj.com