Stock Analysis

Possible Bearish Signals With MannKind Insiders Disposing Stock

Many MannKind Corporation (NASDAQ:MNKD) insiders ditched their stock over the past year, which may be of interest to the company's shareholders. Knowing whether insiders are buying is usually more helpful when evaluating insider transactions, as insider selling can have various explanations. However, shareholders should take a deeper look if several insiders are selling stock over a specific time period.

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.

The Last 12 Months Of Insider Transactions At MannKind

The CEO & Director, Michael Castagna, made the biggest insider sale in the last 12 months. That single transaction was for US$536k worth of shares at a price of US$6.30 each. While we don't usually like to see insider selling, it's more concerning if the sales take place at a lower price. It's of some comfort that this sale was conducted at a price well above the current share price, which is US$3.60. So it may not tell us anything about how insiders feel about the current share price.

Insiders in MannKind didn't buy any shares in the last year. 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!

See our latest analysis for MannKind

insider-trading-volume
NasdaqGM:MNKD Insider Trading Volume July 4th 2025

If you like to buy stocks that insiders are buying, rather than selling, then you might just love this free list of companies. (Hint: Most of them are flying under the radar).

Insider Ownership

I like to look at how many shares insiders own in a company, to help inform my view of how aligned they are with insiders. A high insider ownership often makes company leadership more mindful of shareholder interests. It appears that MannKind insiders own 1.9% of the company, worth about US$21m. 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 MannKind Tell Us?

The fact that there have been no MannKind insider transactions recently certainly doesn't bother us. Still, the insider transactions at MannKind in the last 12 months are not very heartening. But it's good to see that insiders own shares in the company. So these insider transactions can help us build a thesis about the stock, but it's also worthwhile knowing the risks facing this company. Our analysis shows 3 warning signs for MannKind (2 are potentially serious!) and we strongly recommend you look at them before investing.

If you would prefer to check out another company -- one with potentially superior financials -- then do not miss this free list of interesting companies, that have HIGH return on equity 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.

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Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team (at) simplywallst.com.

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.

About NasdaqGM:MNKD

MannKind

A biopharmaceutical company, focuses on the development and commercialization of therapeutic products and services for endocrine and orphan lung diseases in the United States.

Good value with reasonable growth potential.

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