As a co-investor in an SPV you will be able to sell your SPV shares in two scenarios:
if you find a buyer for your shares; or
if the SPV receives a purchase offer for the shares held in the target.
In the first scenario, you have to find a buyer (as the case may be, a co-investor in the SPV) for your shares and agree with him on the price that you will sell them the shares.
Roundtable is not involved in (i) finding a buyer or (ii) drafting the sale agreement.
In this scenario, you need to warn Roundtable (and, as the case may be, the Deal Lead) in advance. Roundtable will perform KYC/KYB checks on the buyer and will ensure that the target does not oppose the transfer.
In the second scenario, if the SPV receives an offer to sell the shares it holds in the target, you may decide to exit. In this case, the SPV will sell the shares that you indirectly hold in the target (proportionally). The price that you will receive will depend on the amount offered to the SPV for the sale of shares in the target and the taxation of the SPV.