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Trade Alert: Executive Vice President of Research Of Axcelis Technologies Gerald Blumenstock Has Sold Stock

Simply Wall St·12/15/2025 10:20:06
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We'd be surprised if Axcelis Technologies, Inc. (NASDAQ:ACLS) shareholders haven't noticed that the Executive Vice President of Research, Gerald Blumenstock, recently sold US$271k worth of stock at US$89.46 per share. Equally important, that sale actually reduced their holding by a full 100% which hardly makes us feel bullish about the stock.

The Last 12 Months Of Insider Transactions At Axcelis Technologies

Notably, that recent sale by Gerald Blumenstock is the biggest insider sale of Axcelis Technologies shares that we've seen in the last year. So what is clear is that an insider saw fit to sell at around the current price of US$85.61. While insider selling is a negative, to us, it is more negative if the shares are sold at a lower price. In this case, the big sale took place at around the current price, so it's not too bad (but it's still not a positive).

In the last year Axcelis Technologies insiders didn't buy any company stock. You can see a visual depiction of insider transactions (by companies and individuals) over the last 12 months, below. If you want to know exactly who sold, for how much, and when, simply click on the graph below!

See our latest analysis for Axcelis Technologies

insider-trading-volume
NasdaqGS:ACLS Insider Trading Volume December 15th 2025

I will like Axcelis Technologies 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 Axcelis Technologies Boast High Insider Ownership?

For a common shareholder, it is worth checking how many shares are held by company insiders. A high insider ownership often makes company leadership more mindful of shareholder interests. It appears that Axcelis Technologies insiders own 0.5% of the company, worth about US$14m. We've certainly seen higher levels of insider ownership elsewhere, but these holdings are enough to suggest alignment between insiders and the other shareholders.

What Might The Insider Transactions At Axcelis Technologies Tell Us?

An insider hasn't bought Axcelis Technologies stock in the last three months, but there was some selling. Looking to the last twelve months, our data doesn't show any insider buying. Insiders own shares, but we're still pretty cautious, given the history of sales. 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. When we did our research, we found 2 warning signs for Axcelis Technologies (1 is a bit unpleasant!) that we believe deserve your full attention.

Of course, you might find a fantastic investment by looking elsewhere. So take a peek at this free list of interesting 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.