Insiders who bought Generation Bio Co. (NASDAQ:GBIO) stock lover the last 12 months are probably not as affected by last week's 23% loss. After taking the recent loss into consideration, the US$778.9k worth of stock they bought is now worth US$1.46m, indicating that their investment yielded a positive return.

While we would never suggest that investors should base their decisions solely on what the directors of a company have been doing, logic dictates you should pay some attention to whether insiders are buying or selling shares.

Generation Bio Insider Transactions Over The Last Year

Over the last year, we can see that the biggest insider purchase was by Independent Director Charles Rowland for US$478k worth of shares, at about US$1.50 per share. We do like to see buying, but this purchase was made at well below the current price of US$2.64. Because the shares were purchased at a lower price, this particular buy doesn't tell us much about how insiders feel about the current share price.

In the last twelve months Generation Bio insiders were buying shares, but not selling. You can see the insider transactions (by companies and individuals) over the last year depicted in the chart below. If you click on the chart, you can see all the individual transactions, including the share price, individual, and the date!

Generation Bio is not the only stock insiders are buying. So take a peek at this free list of under-the-radar companies with insider buying.

Does Generation Bio Boast High Insider Ownership?

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. Generation Bio insiders own about US$10m worth of shares. That equates to 5.7% of the company. 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 Generation Bio Tell Us?

The fact that there have been no Generation Bio insider transactions recently certainly doesn't bother us. On a brighter note, the transactions over the last year are encouraging. Insiders do have a stake in Generation Bio and their transactions don't cause us concern. 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 help with this, we've discovered 2 warning signs (1 is concerning!) that you ought to be aware of before buying any shares in Generation Bio.

Of course Generation Bio 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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com