Stock Analysis

National Grid Insiders Sell UK£5.0m Of Stock, Possibly Signalling Caution

LSE:NG.
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Many National Grid plc (LON:NG.) insiders ditched their stock over the past year, which may be of interest to the company's shareholders. When evaluating insider transactions, knowing whether insiders are buying is usually more beneficial than knowing whether they are selling, as the latter can be open to many interpretations. However, if numerous insiders are selling, shareholders should investigate more.

While we would never suggest that investors should base their decisions solely on what the directors of a company have been doing, we would consider it foolish to ignore insider transactions altogether.

Our free stock report includes 4 warning signs investors should be aware of before investing in National Grid. Read for free now.
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The Last 12 Months Of Insider Transactions At National Grid

In the last twelve months, the biggest single sale by an insider was when the CEO & Executive Director, John Pettigrew, sold UK£2.3m worth of shares at a price of UK£10.39 per share. So it's clear an insider wanted to take some cash off the table, even below the current price of UK£10.72. When an insider sells below the current price, it suggests that they considered that lower price to be fair. That makes us wonder what they think of the (higher) recent valuation. Please do note, however, that sellers may have a variety of reasons for selling, so we don't know for sure what they think of the stock price. We note that the biggest single sale was only 10% of John Pettigrew's holding.

In total, National Grid insiders sold more than they bought over the last year. 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!

See our latest analysis for National Grid

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LSE:NG. Insider Trading Volume May 7th 2025

I will like National Grid better if I see some big insider buys. While we wait, check out this free list of undervalued and small cap stocks with considerable, recent, insider buying.

Insider Ownership Of National Grid

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. It appears that National Grid insiders own 0.05% of the company, worth about UK£29m. This level of insider ownership is good but just short of being particularly stand-out. It certainly does suggest a reasonable degree of alignment.

So What Do The National Grid Insider Transactions Indicate?

There haven't been any insider transactions in the last three months -- that doesn't mean much. Still, the insider transactions at National Grid in the last 12 months are not very heartening. But it's good to see that insiders own shares in the company. While it's good to be aware of 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. When we did our research, we found 4 warning signs for National Grid (3 make us uncomfortable!) that we believe deserve your full attention.

Of course National Grid 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.