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What typically happens to unvested stock during an acquisition?
This is a great question.  I've participated in a deal like that as an employee, and I also know of friends and family who have been involved during a buyout.  In short:  The updated part of your question is correct: There is no single typical treatment.  What happens to unvested restricted stock units (RSUs), unvested employee stock options, etc. varies from case to case. Furthermore, what exactly will happen in your case ought to have been described in the grant documentation which you (hopefully) received when you were issued restricted stock in the first place. Anyway, here are the two cases I've seen happen before: Immediate vesting of all units.  Immediate vesting is often the case with RSUs or options that are granted to executives or key employees.  The grant documentation usually details the cases that will have immediate vesting.  One of the cases is usually a Change in/of Control (CIC or COC) provision, triggered in a buyout.  Other immediate vesting cases may be when the key employee is terminated without cause, or dies.  The terms vary, and are often negotiated by shrewd key employees. Conversion of the units to a new schedule.  If anything is more "typical" of regular employee-level grants, I think this one would be.  Generally, such RSU or option grants will be converted, at the deal price, to a new schedule with identical dates and vesting percentages, but a new number of units and dollar amount or strike price, usually so the end result would have been the same as before the deal. I'm also curious if anybody else has been through a buyout, or knows anybody who has been through a buyout, and how they were treated.