Key Points
Vonne Elizabeth Karpinski, EVP, General Counsel of Advanced Energy Industries (NASDAQ:AEIS), disclosed a sale of 632 shares of common stock in a recent SEC Form 4 filing.
Transaction summary
MetricValueShares sold632Transaction value$182,104Post-transaction shares (directly held)9,177Post-transaction value$2.6 million
Transaction value based on SEC Form 4 weighted average sale price ($288.14); post-transaction value based on Sept. 8, 2026, market close ($288.72).
Key questions
- What are the details regarding the timing of this transaction?The sale was executed under a Rule 10b5-1 trading plan that the insider adopted on May 19, 2026. Such plans allow insiders to establish a prearranged schedule for trading securities to avoid any appearance of using material nonpublic information.
- How does this disposal affect the insider’s total equity exposure?Karpinski retains 9,177 shares of common stock following the sale of 632 shares. This holding represents a 0.02% ownership interest in the company.
- What is the recent performance context for the stock?Shares were priced at $288.14 at the time of execution, a period during which the stock had delivered an 87% one-year return as of Sept. 8, 2026. The stock was priced at $273.74 as of the Sept. 10, 2026, market close.
- Does the insider maintain any other exposure to the company?Following this transaction, the insider’s total beneficial ownership consists exclusively of the 9,177 shares of common stock reported as held directly. The filing does not report any indirect holdings or derivative securities.
Company Overview
MetricValueShare Price (as of market close 2026-09-10)$273.74Market Capitalization$11.5 billionRevenue (TTM)$2 billionNet Income (TTM)$220.7 million
Company Snapshot
- Advanced Energy Industries designs, manufactures, and sells sophisticated power conversion, measurement, and control systems, including direct current (DC), pulsed DC, low-frequency alternating current (LF AC), high-voltage, and radio frequency (RF) power supplies, along with RF matching networks, RF instrumentation products, and remote plasma sources.
- The company generates revenue by selling plasma power technologies and related solutions to industrial customers, leveraging its proprietary engineering capabilities and specialized product portfolio to serve mission-critical applications across multiple end markets.
- Advanced Energy serves semiconductor manufacturing, industrial processing, and other technology-intensive industries that require precision power conversion and control solutions for advanced manufacturing and research applications.
Advanced Energy Industries is a global leader in specialized power conversion technologies, with a market capitalization of $11.5 billion and TTM revenue of $2 billion, demonstrating significant scale in the hardware and equipment sector. The company’s competitive advantage derives from its proprietary plasma power technologies and RF expertise, which address complex power management requirements in semiconductor and industrial applications. With 13,000 employees, Advanced Energy maintains a robust operational foundation supporting its technology-driven business model.
What this transaction means for investors
The needs of data centers have been a boon for Advanced Energy Infrastructure. In its 2026 second-quarter earnings report, the company reported revenue of $574 million, a 30% increase from the prior year. Also, Advanced Energy Infrastructure reported record revenue in its semiconductor segment, up 33%. Its strong performance has been reflected in its stock price, with shares climbing 80% over the past 12 months. With that context in mind, there appears to be no reason for shareholders to worry about this sale.For starters, the sale was already part of a trading plan that was established in May 2026. That means this wasn’t a knee-jerk decision or anything that would signal there is current worry about the state of the company.
Secondly, as shown earlier, the company is performing well. With such a strong performance for the stock price, even insiders will take some gains off the table from time to time. Finally, only 632 shares were sold. Karpinski still holds 9,177 shares, indicating continued alignment with the company’s success.
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Jack Delaney has no position in any of the stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy.
