>What is the rationale for that statement? Why would there be buying if bad news was imminent?<
I mentioned this as a theoretical possibility, and I am not saying that this is what is actually going on. However, it makes more sense than the far-fetched scenarios that have been posited on this board by a certain individual who shall remain unnamed.
Insider buying or selling based on non-public information is a securities violation only if insiders benefit financially from such activity. If insider buying precedes a decline in the share price or if insider selling precedes a rise in the share price, there is no financial benefit to the insiders and hence no violation.
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