Anyone interested in Alector, Inc. (NASDAQ:ALEC) should probably be aware that the Director & Member of Scientific Advisory Board, Richard Scheller, recently divested US$228k worth of shares in the company, at an average price of US$5.16 each. In particular, we note that the sale equated to a 100% reduction in their position size, which doesn't exactly instill confidence.

The Last 12 Months Of Insider Transactions At Alector

Notably, that recent sale by Richard Scheller is the biggest insider sale of Alector shares that we've seen in the last year. That means that even when the share price was below the current price of US$5.31, an insider wanted to cash in some shares. 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. This single sale was 100% of Richard Scheller's stake.

Alector insiders didn't buy any shares over the last year. The chart below shows insider transactions (by companies and individuals) over the last year. By clicking on the graph below, you can see the precise details of each insider transaction!

NasdaqGS:ALEC Insider Trading Volume August 25th 2024

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Insider Ownership

Many investors like to check how much of a company is owned by insiders. A high insider ownership often makes company leadership more mindful of shareholder interests. It appears that Alector insiders own 6.3% of the company, worth about US$33m. 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 Does This Data Suggest About Alector Insiders?

Insiders haven't bought Alector stock in the last three months, but there was some selling. And even if we look at the last year, we didn't see any purchases. Insider ownership isn't particularly high, so this analysis makes us cautious about the company. We'd practice some caution before buying! 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 3 warning signs for Alector that deserve your attention before buying any shares.

Of course Alector 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.