It's certainly positive to see the recent insider purchase. And an analysis of the transactions over the last year also gives us confidence. Once you factor in the high insider ownership, it certainly seems like insiders are positive about Hang Lung Properties. Looks promising! So these insider transactions can help us build a thesis about the stock, but it's also worthwhile knowing the risks facing this company. For example - Hang Lung Properties has 3 warning signs we think you should be aware of.