Kudos to you & your agent who negotiated a great price!
Yes, you can refinance after 6-12 months of "seasoning." At that time, however, you will need to have a new appraisal conducted & you are "at the mercy" of the opinion of THAT appraiser.
And, remember, it is quite expensive to refi, so it might not be worth it for a bit more Cash Out. It might be best to enjoy equity & the security of your home value.