Bob has 1%, so it's 37.5% of his stock that is not vested after 2.5 years. (0.375% of the company's stock) It's 25%/year with 4 year vesting (so 25 + 12.5 for

Bob has 1%, so it's 37.5% of his stock that is not vested after 2.5 years. (0.375% of the company's stock) It's 25%/year with 4 year vesting (so 25 + 12.5 for the 1.5 years left)