> If you do not have a fiduciary relationship with Boeing and you have no confidentiality obligations with respect to the information, you are not trading on inside information.

Specifically this part. One of the first things you learn when doing mandatory insider trading training is you can easily run afoul of the law if you act on non-public info you overheard, or happened to see by accident, even if it has to do with some company with which you are not affiliated. A common example is you’re in a coffee shop and see an upcoming earnings report on someone else’s laptop screen, then trade based on that information.