If it's in the agreement, how can they have a leg to stand on? They agreed to such a thing!

When you're forced to sell at whatever price, you lose any claim on the future price of the stock.

If a court can give you more money later, then you effectively weren't really forced to sell the stock. You retained some sort of "ghost ownership" with an entitlement attached.

Thus, effectively, the provisions of the shareholder agreement which have to do with this are disregarded.

As someone in a sibling comment posted, there is a statutory right in Delaware (where Dell was incorporated) allowing shareholders who don't vote for a buy out to demand judicial appraisal for the 'true' value of their shares.

My comment is a response to the post it is attached to, not an analysis of the case.

That Dell was an insider probably complicates how to analyze this particular case.