Half his (vested) shares would go to his wife, in the event of a divorce. As a shareholder, she would have the right to vote on certain matters. I don't think

Half his (vested) shares would go to his wife, in the event of a divorce. As a shareholder, she would have the right to vote on certain matters. I don't think it makes sense for her to sign a standard post-nup, however, I think it does make sense to account for the fact that the husband wants to make sure he keeps control of his shares in a business he's currently building.