Complex sentence: In May 1620 Martin purchased shares of the Virginia Company from Captain George Percy, with the apparent intention of going to Virginia because the amount was enough to take himself and three others in his family with him on the Mayflower.
Split into simpler sentences: In May 1620 Martin purchased shares of the Virginia Company with the intention of going to Virginia. The amount was enough to take himself and three others in his family with him on the Mayflower.