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Independent Director Arthur Klausner Sold A Bunch Of Shares In Monopar Therapeutics

Simply Wall St·12/21/2025 13:29:57
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We'd be surprised if Monopar Therapeutics Inc. (NASDAQ:MNPR) shareholders haven't noticed that the Independent Director, Arthur Klausner, recently sold US$344k worth of stock at US$67.15 per share. The eyebrow raising move amounted to a reduction of 37% in their holding.

Monopar Therapeutics Insider Transactions Over The Last Year

Notably, that recent sale by Arthur Klausner is the biggest insider sale of Monopar Therapeutics shares that we've seen in the last year. So it's clear an insider wanted to take some cash off the table, even slightly below the current price of US$68.63. 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. While insider selling is not a positive sign, we can't be sure if it does mean insiders think the shares are fully valued, so it's only a weak sign. It is worth noting that this sale was only 37% of Arthur Klausner's holding.

You can see the insider transactions (by companies and individuals) over the last year depicted in the chart below. If you want to know exactly who sold, for how much, and when, simply click on the graph below!

View our latest analysis for Monopar Therapeutics

insider-trading-volume
NasdaqCM:MNPR Insider Trading Volume December 21st 2025

I will like Monopar Therapeutics 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.

Does Monopar Therapeutics Boast High Insider Ownership?

For a common shareholder, it is worth checking how many shares are held by company insiders. Usually, the higher the insider ownership, the more likely it is that insiders will be incentivised to build the company for the long term. It appears that Monopar Therapeutics insiders own 5.0% of the company, worth about US$23m. 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 Monopar Therapeutics Insider Transactions Indicate?

An insider sold Monopar Therapeutics shares recently, but they didn't buy any. And there weren't any purchases to give us comfort, over the last year. Insider ownership isn't particularly high, so this analysis makes us cautious about the company. So we'd only buy after careful consideration. 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. Case in point: We've spotted 4 warning signs for Monopar Therapeutics you should be aware of, and 1 of these is a bit unpleasant.

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.