Well, your options depend on a number of different factors, including (i) is a “big chunk of equity” to be understood as a majority shareholding; (ii) what agreements and contracts do you have in place, (iii) your position in the company (are you a key man) and how you’re getting compensated; and (iv) is the company profitable.
Your chances to balance the scales will probably depend in large on your ability to create leverage. In short, there are many options you can explore; whether doing so makes sense usually comes down on how badly you want this and if the company is worth it.
You can PM me if you don’t feel comfortable discussing details in a public forum.
Cheers!
Mark
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Jackson Steiner
http://www.JacksonSteiner.com
Advanced Document Design for entrepreneurs, intermediaries, and the financial services industry.
http://www.Publications.FastVentures.com