CEO selling shares
I'm sorry, but if you are the CEO, selling shares is not a good sign. It either means you aren't paying yourself enough, or it means that your confidence in your own company isn't worth hanging on to your shares.
Neither of those choices reflect well on the company.
I resent the Wall Street attitude of thinking that shares are just a short-term investment. Personally, I think that, if you buy shares in a company, it's supposed to mean you believe in it and want to fund its development. That means that you don't sell your shares two weeks later.
There should be a law stating that shares must be kept for five years before being able to sell them.
but don't worry - it's just my opinion.