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AEHR - Aehr Test Systems

Insider Sale by Richmond Donald P. II (CTO)

1 Month
After Trade
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Trade Summary

2 days ago, Richmond Donald P. II, serving as CTO at Aehr Test Systems (AEHR), sold 17,011 shares at $73.18 per share, for a total transaction value of $1,244,804.00. Following this transaction, Richmond Donald P. II now holds 181,512 shares of AEHR.

This sale represents a 9.00% decrease in Richmond Donald P. II's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Tuesday, April 14, 2026 and publicly disclosed via SEC Form 4 filing on Wednesday, April 15, 2026, 1 day after the trade was made.

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.

Richmond Donald P. II

Richmond Donald P. II

CTO

Donald P. Richmond II is the Chief Technology Officer (CTO) at Aehr Test Systems (AEHR), a leading provider of semiconductor test solutions headquartered in Fremont, California.[[1]](https://www.gurufocus.com/insider/29682/richmond-donald-p.-ii)[[3]](https://www.aehr.com/about-us/)[[4]](https://www.moomoo.com/stock/AEHR-US/company) He owns approximately 175,232 to 214,996 shares of AEHR stock, valued at over $6 million to $17 million as of early 2026, and has engaged in multiple insider trades, including a recent sale of 15,751 shares on April 9, 2026.[[1]](https://www.gurufocus.com/insider/29682/richmond-donald-p.-ii)[[2]](https://www.quiverquant.com/insiders/1736207/RICHMOND%20DONALD%20P.%20II) Richmond joined Aehr in 1998 as a Senior Electrical Engineer for wafer level test and burn-in solutions, advancing to Vice President of Engineering in March 2018 before becoming CTO.[[3]](https://www.aehr.com/about-us/) With over 40 years of experience in the semiconductor industry, he began his career in the mid-1970s at Signetics Corporation in semiconductor design.[[3]](https://www.aehr.com/about-us/) Previously, he was co-founder, Board member, and Vice President of Operations at ChipScale Inc./Micro SMT Inc., and served as president of TEAM Holdings LTD./TEAM International LTD.[[3]](https://www.aehr.com/about-us/) He holds a B.S.E.E. in Technology from DeVry Institute Arizona.[[3]](https://www.aehr.com/about-us/)

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Trade Price

$73.18

Quantity

17,011

Total Value

$1,244,804.00

Shares Owned

181,512

Trade Date

Tuesday, April 14, 2026

2 days ago

SEC Filing Date

Wednesday, April 15, 2026

Filed 1 day after trade

TECHNOLOGYSEMICONDUCTOR EQUIPMENT & MATERIALS

About Aehr Test Systems

Company Overview

No company information available
View news mentioning AEHR

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