Dilution isn't the only thing to worry about. This post has a pretty good treatment: http://rob.by/2013/negotiating-your-startup-job-offer/ http://rob.by/2013/

Dilution isn't the only thing to worry about. This post has a pretty good treatment: http://rob.by/2013/negotiating-your-startup-job-offer/ http://rob.by/2013/negotiating-your-startup-job-offer/ It's pretty unlikely you'll see anywhere near those numbers.