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AEHR - Aehr Test Systems

Insider Sale by Posedel Rhea J (Dir)

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Trade Summary

Yesterday, Posedel Rhea J, serving as Dir at Aehr Test Systems (AEHR), sold 7,500 shares at $88.09 per share, for a total transaction value of $660,675.00. Following this transaction, Posedel Rhea J now holds 468,142 shares of AEHR.

This sale represents a 2.00% decrease in Posedel Rhea J's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Monday, April 20, 2026 and publicly disclosed via SEC Form 4 filing on Monday, April 20, 2026, meaning the disclosure happened on the same day as the trade.

Aehr Test Systems operates in the TECHNOLOGY sector, specifically within the SEMICONDUCTOR EQUIPMENT & MATERIALS industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.

Posedel Rhea J

Posedel Rhea J

Dir

Rhea J. Posedel is the founder and Chairman of Aehr Test Systems, a leading semiconductor test equipment provider headquartered in Fremont, California[[1]](https://www.marketscreener.com/insider/RHEA-POSEDEL-A007U1/)[[3]](https://www.aehr.com/about-us/). He founded the company in 1977 and served as Chief Executive Officer and Chairman until 2012, then as Executive Chairman through 2013, while also serving as President through May 2000[[3]](https://www.aehr.com/about-us/). Prior to establishing Aehr Test Systems, Posedel held various project engineering and engineering managerial positions at Lockheed Martin Corporation, Ampex Corporation, and Cohu, Inc.[[3]](https://www.aehr.com/about-us/) Posedel holds a B.S. in Electrical Engineering from the University of California, Berkeley, an M.S. in Electrical Engineering from San Jose State University, and an M.B.A. from Golden Gate University[[3]](https://www.aehr.com/about-us/). As of April 2026, he serves as Director of Aehr Test Systems and maintains significant ownership in the company, with an estimated net worth of approximately $47.9 million based on his holdings of 528,142 shares[[5]](https://www.quiverquant.com/insiders/1055117/POSEDEL%20RHEA%20J). Under his founding leadership, Aehr Test Systems has become a worldwide supplier of semiconductor production test and reliability qualification equipment with over 2,500 systems installed globally[[2]](https://www.aehr.com/2023/01/aehr-test-systems-announces-retirement-of-board-member/).

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Trade Price

$88.09

Quantity

7,500

Total Value

$660,675.00

Shares Owned

468,142

Trade Date

Monday, April 20, 2026

1 days ago

SEC Filing Date

Monday, April 20, 2026

TECHNOLOGYSEMICONDUCTOR EQUIPMENT & MATERIALS

About Aehr Test Systems

Company Overview

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