The degree to which startups with unsustainable business models can be called pump and dump schemes is debated. I wasn’t suggesting they committed fraud, but they definitely put their best foot forward before that transaction and believed it was in their interest to sell.

https://en.wikipedia.org/wiki/Pump_and_dump

Also it’s not just unrelated 3rd parties, Enron was included because: “Enron falsely reported profits which inflated the stock price, they covered the real numbers by using questionable accounting practices. Twenty-nine Enron executives sold overvalued stock for more than a billion dollars before the company went bankrupt.”