We wouldn't blame AECOM (NYSE:ACM) shareholders if they were a little worried about the fact that Lara Poloni, the President recently netted about US$2.8m selling shares at an average price of US$92.50. That's a big disposal, and it decreased their holding size by 29%, which is notable but not too bad.

Check out our latest analysis for AECOM

The Last 12 Months Of Insider Transactions At AECOM

Notably, that recent sale by Lara Poloni is the biggest insider sale of AECOM shares that we've seen in the last year. That means that an insider was selling shares at around the current price of US$91.34. We generally don't like to see insider selling, but the lower the sale price, the more it concerns us. We note that this sale took place at around the current price, so it isn't a major concern, though it's hardly a good sign.

In the last year AECOM insiders didn't buy any company stock. The chart below shows insider transactions (by companies and individuals) over the last year. By clicking on the graph below, you can see the precise details of each insider transaction!

If you like to buy stocks that insiders are buying, rather than selling, then you might just love this free list of companies. (Hint: insiders have been buying them).

Insider Ownership Of AECOM

Many investors like to check how much of a company is owned by insiders. A high insider ownership often makes company leadership more mindful of shareholder interests. AECOM insiders own about US$51m worth of shares. That equates to 0.4% of the company. While this is a strong but not outstanding level of insider ownership, it's enough to indicate some alignment between management and smaller shareholders.

So What Do The AECOM Insider Transactions Indicate?

Insiders sold AECOM shares recently, but they didn't buy any. And there weren't any purchases to give us comfort, over the last year. Insiders own shares, but we're still pretty cautious, given the history of sales. We'd practice some caution before buying! In addition to knowing about insider transactions going on, it's beneficial to identify the risks facing AECOM. At Simply Wall St, we found 3 warning signs for AECOM that deserve your attention before buying any shares.

Of course, you might find a fantastic investment by looking elsewhere. So take a peek at this free list of interesting companies.

For the purposes of this article, insiders are those individuals who report their transactions to the relevant regulatory body. We currently account for open market transactions and private dispositions of direct interests only, but not derivative transactions or indirect interests.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.