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Last week, Castle Biosciences, Inc. (NASDAQ:CSTL) insiders, who had purchased shares in the previous 12 months were rewarded handsomely. The shares increased by 13% last week, resulting in a US$63m increase in the company's market worth, implying a 27% gain on their initial purchase. Put another way, the original US$94.0k acquisition is now worth US$119.6k.
While we would never suggest that investors should base their decisions solely on what the directors of a company have been doing, we do think it is perfectly logical to keep tabs on what insiders are doing.
Check out our latest analysis for Castle Biosciences
Castle Biosciences Insider Transactions Over The Last Year
Over the last year, we can see that the biggest insider purchase was by Independent Director Ellen Goldberg for US$69k worth of shares, at about US$17.27 per share. Even though the purchase was made at a significantly lower price than the recent price (US$20.06), we still think insider buying is a positive. 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.
While Castle Biosciences insiders bought shares during the last year, they didn't sell. 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!
Castle Biosciences is not the only stock that insiders are buying. For those who like to find winning investments this free list of growing companies with recent insider purchasing, could be just the ticket.
Does Castle Biosciences Boast High Insider Ownership?
For a common shareholder, it is worth checking how many shares are held by company insiders. A high insider ownership often makes company leadership more mindful of shareholder interests. It appears that Castle Biosciences insiders own 3.3% of the company, worth about US$18m. While this is a strong but not outstanding level of insider ownership, it's enough to indicate some alignment between management and smaller shareholders.
What Might The Insider Transactions At Castle Biosciences Tell Us?
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 Castle Biosciences 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 Castle Biosciences. You'd be interested to know, that we found 2 warning signs for Castle Biosciences and we suggest you have a look.