I think people waste a lot of money betting on the significance of CEO sales.
Worst part of that was the management sucked up to me when an SVP was copied on the email, and low-key ignored me when she wasn't.
This political cesspool cannot compete effectively against driven companies like NVidia. Intel seems to be the new Blackberry.
Different investors have different risk appetites.
If in your mind, the CEO sells one share of the company's stock and all of the investors should sell that stock, I think it would be a fantastic time to buy into the stock.
And while the technical issue discussed elsewhere may play a role in people's minds, keep in mind that if it's only the CEO dumping stock he might be cashing out ahead of a #metoo