"The number of shares you can sell depends on both individual limits and the total level of participation. If you have held the shares for any period before the tender offer and sell the stock at a premium over your company's current internal valuation, the tax treatment for that part of the gain is uncertain.... Advisors often recommend selling shares to diversify. However, the potential downside to selling shares now is that it could take away from much greater gains later in any IPO."  MORE >>