> [0] https://web.stanford.edu/dept/SUL/sites/mac/parc.html
I searched the cite for the 'share', '10', '22', 'sold, 'sell', 'bought', 'buy', 'purchase', and found nothing. ?
Exactly how and when Xerox disposed of its shares is not public record, but it's known to be around that timeframe and certainly Xerox made a profit. The book _Dealers of Lightning_ goes into more detail about the deal if you're interested[1].
[0] https://www.cnbc.com/2018/05/21/why-your-computer-has-a-mous...
[1] https://www.goodreads.com/book/show/1101290.Dealers_of_Light...