Some ATI Inc. (NYSE:ATI) shareholders may be a little concerned to see that the Executive Chairman, Robert Wetherbee, recently sold a substantial US$1.4m worth of stock at a price of US$56.35 per share. However, it's crucial to note that they remain very much invested in the stock and that sale only reduced their holding by 6.3%.

ATI Insider Transactions Over The Last Year

Notably, that recent sale by Robert Wetherbee is the biggest insider sale of ATI shares that we've seen in the last year. That means that an insider was selling shares at slightly below the current price (US$58.23). As a general rule we consider it to be discouraging when insiders are selling below the current price, because it suggests they were happy with a lower valuation. However, while insider selling is sometimes discouraging, it's only a weak signal. We note that the biggest single sale was only 6.3% of Robert Wetherbee's holding.

The chart below shows insider transactions (by companies and individuals) over the last year. If you want to know exactly who sold, for how much, and when, simply click on the graph below!

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

Insider Ownership

Many investors like to check how much of a company is owned by insiders. I reckon it's a good sign if insiders own a significant number of shares in the company. Insiders own 0.9% of ATI shares, worth about US$78m. We've certainly seen higher levels of insider ownership elsewhere, but these holdings are enough to suggest alignment between insiders and the other shareholders.

What Might The Insider Transactions At ATI Tell Us?

An insider sold ATI shares recently, but they didn't buy any. And even if we look at the last year, we didn't see any purchases. Insiders own shares, but we're still pretty cautious, given the history of sales. We're in no rush to buy! So while it's helpful to know what insiders are doing in terms of buying or selling, it's also helpful to know the risks that a particular company is facing. To assist with this, we've discovered 4 warning signs that you should run your eye over to get a better picture of ATI.

Of course ATI may not be the best stock to buy. So you may wish to see this free collection of high quality 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.