Read the document to make sure it meets your needs and that everyone involved agrees with the agreement.
Make sure both parties are aware of all warranties made in the agreement by the seller or buyer.
Make sure a Disclosure letter has either been sent or received with regards to the warranties. If you do not have a Disclosure letter, then let us know and we can connect you with one of our lawyers.
Remember that if you have any questions you can easily Ask a lawyer.
For further information read Share purchase agreement.