The whole point of equity is to measure what's invested. You could be doing 20% of the current work of a company, but that does not account for all the past con

The whole point of equity is to measure what's invested. You could be doing 20% of the current work of a company, but that does not account for all the past contributions that got the company there in the first place. Equity is granted on a vesting schedule to approximate the future contributions of a person. If that approximation does not accurately represent the reality over time, it should be reviewed and renegotiated alongside performance.