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Cogent Biosciences Chief Scientific Officer John Robinson Sells 50% Of Holding

Simply Wall St·01/02/2026 10:50:41
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We wouldn't blame Cogent Biosciences, Inc. (NASDAQ:COGT) shareholders if they were a little worried about the fact that John Robinson, the Chief Scientific Officer recently netted about US$3.5m selling shares at an average price of US$38.74. That's a big disposal, and it decreased their holding size by 50%, which is notable but not too bad.

Cogent Biosciences Insider Transactions Over The Last Year

Notably, that recent sale by John Robinson is the biggest insider sale of Cogent Biosciences shares that we've seen in the last year. That means that an insider was selling shares at around the current price of US$35.52. While insider selling is a negative, to us, it is more negative if the shares are sold at a lower price. We note that this sale took place at around the current price, so it isn't a major concern, though it's hardly a good sign.

All up, insiders sold more shares in Cogent Biosciences 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 want to know exactly who sold, for how much, and when, simply click on the graph below!

Check out our latest analysis for Cogent Biosciences

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NasdaqGS:COGT Insider Trading Volume January 2nd 2026

For those who like to find hidden gems this free list of small cap companies with recent insider purchasing, could be just the ticket.

Insider Ownership Of Cogent Biosciences

Many investors like to check how much of a company is owned by 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 Cogent Biosciences insiders own 0.6% of the company, worth about US$34m. While this is a strong but not outstanding level of insider ownership, it's enough to indicate some alignment between management and smaller shareholders.

So What Do The Cogent Biosciences Insider Transactions Indicate?

Insiders sold stock recently, but they haven't been buying. And our longer term analysis of insider transactions didn't bring confidence, either. While insiders do own shares, they don't own a heap, and they have been selling. We're in no rush to buy! 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. To help with this, we've discovered 4 warning signs (3 make us uncomfortable!) that you ought to be aware of before buying any shares in Cogent Biosciences.

Of course Cogent Biosciences 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.