Builders FirstSource, Inc. (NYSE:BLDR) shareholders (or potential shareholders) will be happy to see that the Independent Chairman of the Board, Paul Levy, recently bought a whopping US$55m worth of stock, at a price of US$111. Aside from being a solid chunk in its own right, the deft move also saw their holding increase by some 43%.

We've discovered 2 warning signs about Builders FirstSource. View them for free.

The Last 12 Months Of Insider Transactions At Builders FirstSource

Notably, that recent purchase by Paul Levy is the biggest insider purchase of Builders FirstSource shares that we've seen in the last year. We do like to see buying, but this purchase was made at well below the current price of US$124. 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 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 Builders FirstSource NYSE:BLDR Insider Trading Volume May 14th 2025

Builders FirstSource is not the only stock insiders are buying. So take a peek at this freelist of under-the-radar companies with insider buying.

Does Builders FirstSource Boast High Insider Ownership?

For a common shareholder, it is worth checking how many shares are held by company insiders. We usually like to see fairly high levels of insider ownership. Builders FirstSource insiders own 2.2% of the company, currently worth about US$284m based on the recent share price. This kind of significant ownership by insiders does generally increase the chance that the company is run in the interest of all shareholders.

So What Do The Builders FirstSource Insider Transactions Indicate?

The recent insider purchase is heartening. And an analysis of the transactions over the last year also gives us confidence. Along with the high insider ownership, this analysis suggests that insiders are quite bullish about Builders FirstSource. Nice! So while it's helpful to know what insiders are doing in terms of buying or selling, it's also helpful to know the risks that a particular company is facing. At Simply Wall St, we found 2 warning signs for Builders FirstSource that deserve your attention before buying any shares.

But note: Builders FirstSource may not be the best stock to buy. So take a peek at this freelist of interesting companies with high ROE and low debt.

Story Continues

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.