Adjective
unvested (not comparable)
(finance) Not vested: not free of contingencies
If the software doesn’t get done, you fire him and he loses the unvested shares — it’s not necessary to make the vesting contingent specifically on finishing the software (besides, “finishing” software would be too hard to define in a contract). Source: Internet
I have an unvested interest in all writing about The Maven: I almost once, like a very stupid idiot, let them take over Wonkette. Source: Internet
This method requires an allocation of dividends paid and a portion of undistributed net income (but not losses) to unvested restricted stock for calculating per share amounts. Source: Internet
Upon termination of employment, participants forfeit their unvested balances. Source: Internet