908 Devices Inc. (NASDAQ:MASS) insiders who acquired shares over the previous 12 months, can probably afford to ignore the recent 19% decline in the stock price. Even after accounting for the recent loss, the US$174.2k worth of stock purchased by them is now worth US$255.8k or in other words, their investment continues to give good returns.

Although we don't think shareholders should simply follow insider transactions, we do think it is perfectly logical to keep tabs on what insiders are doing.

908 Devices Insider Transactions Over The Last Year

In the last twelve months, the biggest single purchase by an insider was when Co-Founder Kevin Knopp bought US$67k worth of shares at a price of US$4.44 per share. Although we like to see insider buying, we note that this large purchase was at significantly below the recent price of US$6.40. 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.

908 Devices insiders may have bought shares in the last year, but they didn't sell any. You can see a visual depiction of insider transactions (by companies and individuals) over the last 12 months, below. If you click on the chart, you can see all the individual transactions, including the share price, individual, and the date!

908 Devices 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 908 Devices Boast High Insider Ownership?

For a common shareholder, it is worth checking how many shares are held by company insiders. Usually, the higher the insider ownership, the more likely it is that insiders will be incentivised to build the company for the long term. Insiders own 8.4% of 908 Devices shares, worth about US$22m. 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 Does This Data Suggest About 908 Devices Insiders?

There haven't been any insider transactions in the last three months -- that doesn't mean much. But insiders have shown more of an appetite for the stock, over the last year. Insiders own shares in 908 Devices and we see no evidence to suggest they are worried about the future. In addition to knowing about insider transactions going on, it's beneficial to identify the risks facing 908 Devices. For example - 908 Devices has 1 warning sign we think you should be aware of.

But note: 908 Devices 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 of direct interests only, but not derivative transactions or indirect interests.

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.