BFD. Upper management at both ABBV and ABT and every other 100 largest corps in America routinely exercise and then sell their stock options, and sell their RSUs (restricted stock units) that have vested every single quarter. It's normally set up automatically, so that they can prove it was not based on information that could be available only to insiders. It diversifies their investment portfolio. It is not a sign that any of the officers think something horrible is coming down the pike; if they did think so, they would just leave "to spend more time with their family" and move on down the road to another company.