Should You Take Comfort From Insider Transactions At Generation Bio Co. (NASDAQ:GBIO)?

We've lost count of how many times insiders have accumulated shares in a company that goes on to improve markedly. The flip side of that is that there are more than a few examples of insiders dumping stock prior to a period of weak performance. So shareholders might well want to know whether insiders have been buying or selling shares in Generation Bio Co. (NASDAQ:GBIO).

What Is Insider Selling?

It is perfectly legal for company insiders, including board members, to buy and sell stock in a company. However, such insiders must disclose their trading activities, and not trade on inside information.

We would never suggest that investors should base their decisions solely on what the directors of a company have been doing. But equally, we would consider it foolish to ignore insider transactions altogether. For example, a Harvard University study found that 'insider purchases earn abnormal returns of more than 6% per year'.

Check out our latest analysis for Generation Bio

The Last 12 Months Of Insider Transactions At Generation Bio

The Independent Director Charles Rowland made the biggest insider purchase in the last 12 months. That single transaction was for US$570k worth of shares at a price of US$19.00 each. We do like to see buying, but this purchase was made at well below the current price of US$34.23. While it does suggest insiders consider the stock undervalued at lower prices, this transaction doesn't tell us much about what they think of current prices.

You can see a visual depiction of insider transactions (by companies and individuals) over the last 12 months, below. If you want to know exactly who sold, for how much, and when, simply click on the graph below!

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

Insider Ownership

Looking at the total insider shareholdings in a company can help to inform your view of whether they are well aligned with common shareholders. A high insider ownership often makes company leadership more mindful of shareholder interests. Generation Bio insiders own 7.0% of the company, currently worth about US$109m based on the recent share price. Most shareholders would be happy to see this sort of insider ownership, since it suggests that management incentives are well aligned with other shareholders.

So What Does This Data Suggest About Generation Bio Insiders?

There haven't been any insider transactions in the last three months -- that doesn't mean much. On a brighter note, the transactions over the last year are encouraging. It would be great to see more insider buying, but overall it seems like Generation Bio insiders are reasonably well aligned (owning significant chunk of the company's shares) and optimistic for the future. While we like knowing what's going on with the insider's ownership and transactions, we make sure to also consider what risks are facing a stock before making any investment decision. Case in point: We've spotted 3 warning signs for Generation Bio you should be aware of, and 1 of them makes us a bit uncomfortable.

But note: Generation Bio may not be the best stock to buy. So take a peek at this free list of interesting companies with high ROE and low debt.

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, but not derivative transactions.

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This article by Simply Wall St is general in nature. 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.
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