--- title: "Insiders Buying Corero Network Security Might Wish They Invested More, Stock Gains 10.0%" type: "News" locale: "en" url: "https://longbridge.com/en/news/282141267.md" description: "Corero Network Security plc (LON:CNS) saw a 10.0% stock increase, adding UK£6.1m to its market value. Insiders, including CEO Carl Herberger, purchased shares at UK£0.15, indicating optimism. Insiders own 41% of the company, valued at about UK£28m. While there have been no recent insider transactions, the previous year showed a willingness to invest. However, one warning sign was identified, suggesting caution for potential investors." datetime: "2026-04-09T06:01:13.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/282141267.md) - [en](https://longbridge.com/en/news/282141267.md) - [zh-HK](https://longbridge.com/zh-HK/news/282141267.md) --- # Insiders Buying Corero Network Security Might Wish They Invested More, Stock Gains 10.0% **Corero Network Security plc** (LON:CNS) insiders who purchased shares in the last 12 months were richly rewarded last week. The stock climbed by 10.0% resulting in a UK£6.1m addition to the company’s market value. Put another way, the original US$65.2k acquisition is now worth US$72.1k. While insider transactions are not the most important thing when it comes to long-term investing, logic dictates you should pay some attention to whether insiders are buying or selling shares. Trump has pledged to "unleash" American oil and gas and these 15 US stocks have developments that are poised to benefit. ## The Last 12 Months Of Insider Transactions At Corero Network Security The CEO & Director Carl Herberger made the biggest insider purchase in the last 12 months. That single transaction was for UK£38k worth of shares at a price of UK£0.15 each. So it's clear an insider wanted to buy, even at a higher price than the current share price (being UK£0.13). Their view may have changed since then, but at least it shows they felt optimistic at the time. In our view, the price an insider pays for shares is very important. As a general rule, we feel more positive about a stock if insiders have bought shares at above current prices, because that suggests they viewed the stock as good value, even at a higher price. Corero Network Security insiders may have bought shares in the last year, but they didn't sell any. Their average price was about UK£0.12. Although they bought at below the recent share price, it is good to see that insiders are willing to invest in the company. 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! Check out our latest analysis for Corero Network Security AIM:CNS Insider Trading Volume April 9th 2026 Corero Network Security is not the only stock insiders are buying. So take a peek at this **free** list of under-the-radar 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. We usually like to see fairly high levels of insider ownership. Corero Network Security insiders own 41% of the company, currently worth about UK£28m based on the recent share price. I like to see this level of insider ownership, because it increases the chances that management are thinking about the best interests of shareholders. ## So What Does This Data Suggest About Corero Network Security Insiders? The fact that there have been no Corero Network Security insider transactions recently certainly doesn't bother us. But insiders have shown more of an appetite for the stock, over the last year. It would be great to see more insider buying, but overall it seems like Corero Network Security insiders are reasonably well aligned (owning significant chunk of the company's shares) and optimistic for the future. In addition to knowing about insider transactions going on, it's beneficial to identify the risks facing Corero Network Security. While conducting our analysis, we found that Corero Network Security has **1 warning sign** and it would be unwise to ignore this. But note: **Corero Network Security 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._ ### **New:** AI Stock Screener & Alerts Our new AI Stock Screener scans the market every day to uncover opportunities. • Dividend Powerhouses (3%+ Yield) • Undervalued Small Caps with Insider Buying • High growth Tech and AI Companies Or build your own from over 50 metrics. 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