Also, after a couple of years of trading in a range in the low to mid-30s, in September the stock began a surge up to $47+. That's a pretty good time to sell of

Also, after a couple of years of trading in a range in the low to mid-30s, in September the stock began a surge up to $47+. That's a pretty good time to sell off a large chunk of stock regardless or whether he knew anything about this defect (he knew).