The co-ownership shares give buyers a week of access to the property each year, including an option to host events there for an extra fee.

Chicago-area real-estate investor John Cooper closed on the home, named Champions Point, at the beginning of December, buying it for $9.5 million, records show. He got a steep discount for the Highland Park mansion, which was initially asking $29 million when it was first listed in 2012, Mansion Global previously reported .

John Cooper, a Chicago-area real estate executive who grew up in Lincoln, Nebraska, told his hometown newspaper he's hosted several guests since buying the Hall of Famer's mansion Dec. 10 for $9.5 million.

HAN Capital’s John Cooper bought Jordan’s Highland Park estate last year and is offering $1 million co-ownership stakes.