This blog post provides decent summary of preferred stock impact on Employee stock.<p>STARTUP NEGOTIATIONS: HOW PREFERRED STOCK MAKES EMPLOYEE STOCK LESS VALUABLE
<a href="http:&#x2F;&#x2F;stockoptioncounsel.com&#x2F;blog&#x2F;negotiating-equity-what-is-the-total-preference&#x2F;2014&#x2F;2&#x2F;13" rel="nofollow">http:&#x2F;&#x2F;stockoptioncounsel.com&#x2F;blog&#x2F;negotiating-equity-what-i...</a>