当然要很大的股东才值得这么做。
http://www.nytimes.com/2002/09/10/business/a-tax-break-for-the-rich-who-can-keep-a-secret.html
https://www.forbes.com/sites/agoodman/2016/01/10/one-way-some-wealthy-investors-can-avoid-big-capital-gains-taxes/
https://www.forbes.com/sites/davidmarotta/2014/10/05/how-to-diversify-highly-appreciated-stock/