Advanced Energy Industries (AEIS) EVP and General Counsel Elizab
Advanced Energy Industries (AEIS) EVP Elizabeth Vonne sold 907 shares at $290.05 each, totaling $263,075. This follows a year of 24 insider sales and no buys. The stock is deemed significantly overvalued by GuruFocus, with a GF Value of $149.86 vs. $290.05 price. AEIS has a market cap of $11.51B and a P/E of 53.60.
How this was made
The 30-second read
Why it matters
The insider sale adds to a pattern of 24 insider sells in the past year, reinforcing concerns about valuation.
Market read
Insider activity combined with high valuation metrics may influence short‑term trading sentiment for AEIS.
What to watch
Potential upcoming semiconductor capital spending could support the stock despite insider sales.
Background
Advanced Energy Industries (AEIS) designs precision power conversion solutions for semiconductor and industrial markets.
Ticker impact
EVP and General Counsel Elizabeth Vonne sold 907 shares at $290.05 on 2026-08-27, reducing her stake to 9,805 shares.
Potential short‑term downward pressure on AEIS price.
The sale is sizable for an insider and occurs while the stock is deemed significantly overvalued.
Market effects
Highlights valuation concerns in the precision power conversion sector.
Limited to U.S. investors; no broader regional effect.
Minimal global impact beyond Advanced Energy Industries.
Counterpoint
Some investors may view the overvaluation as a buying opportunity if fundamentals remain strong.
Key entities
- companyAdvanced Energy Industries
US‑listed provider of power conversion technology (ticker AEIS).
- personElizabeth Vonne
EVP and General Counsel of AEIS, insider seller.




