And it's nothing unusual either. He doesn't have "inside track/control" of the stock price, although his actions certainly influence it, and he is subject to blackout periods where he can't sell the stock. This is common among every CEO of every single public company. CEOs sell their shares, usually in large quantities. Walt did it. Eisener did it. Now Iger is doing it. Nothing to see here.
Stock Buybacks can be very *good* for a company (provided it is done correctly, and not as a substitute for any new investments, or financed by debt, etc....). One thing that gets overlooked in the anti-Iger hate is that he's done more to protect Disney from a hostile takeover than any CEO of Disney has done. Twice in Disney's history (1984 and again in 2004), outside forces have attempted a hostile takeover of Disney with the intent to break it into pieces. By more than doubling it's market cap, and by reducing the number of outstanding shares and driving up the price, it makes it even less likely than before that a hostile takeover could happen. Buybacks also don't necessarily drive the price of a stock up. While they always do short term, if the market senses that the buybacks are out of desperation, the increase will be temporary and a CEO will unlikely be able to capitalize on it due to blackout periods.
This quarter and other recent troubles aside, Disney's growth has been very positive over Iger's tenure - not just in share price, but in market cap, revenue, and profitability. That Iger personally profits from the success of the company he guided is not news, it's normal for a public company.