[ep103]

Eh, this is exactly what happened to a friend of mine. The rationale later, was he had been promised X percent, but when the final deal went through, they diluted different pools of company stock to different percentages, and his values went down to 1/10 what he was expecting.

I know I'm missing a lot of info, and its just a second hand example, but it seems in line with grand parent post's idea that for each type of financial tool, there's at least one gotcha you need to be aware of.