If this is an honest question... an employee who left the firm after 2013 and wanted to exercise their stock options needed to pay taxes up front on shares they received, based on the company's then $700mm+ valuation. But now the price of those shares is significantly less, based on the $100mm sale price. So they ended up paying more in taxes on their stock than they can receive now from the sale of their stock.
This article explains the dynamics well: https://www.recode.net/2016/1/19/11588918/gilt-groupe-is-a-c...
In this case, one of the controversies is that company leadership may not have taken such a low sale price (given that they initially had offers of more than twice that) had they not been compensated with personal payoffs outside of the equity structure.