Employee vs. Employer Contributions
When dividing a 401(k), it’s important to distinguish between the portion contributed by the employee and any matching or profit-sharing contributions made by the employer. In many plans, employer contributions are subject to vesting schedules, which can impact what portion of the account is actually marital property—meaning eligible for division through a QDRO.
If a participant is not 100% vested at the time of divorce, the alternate payee may be entitled only to the vested portion. Once that amount is determined, the QDRO can specify either a set dollar amount or a percentage of the account balance as of a specific date.

