InsiderTrades.com logo

AEHR Insider Trading

Insider Ownership Percentage: 6.80%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $929,674.60

Aehr Test Systems Insider Trading History Chart

This chart shows the insider buying and selling history at Aehr Test Systems by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Aehr Test Systems Share Price & Price History

Current Price: $25.50
Price Change: ▲ Price Increase of +0.74 (2.99%)
As of 12/4/2025 05:00 PM ET

This chart shows the closing price history over time for AEHR up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Aehr Test Systems Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/5/2025Howard T. SlayenDirectorSell6,000$25.73$154,380.00218,328View SEC Filing Icon  
10/9/2025Fariba DaneshDirectorSell9,000$24.79$223,110.0016,643View SEC Filing Icon  
7/25/2025Laura OliphantDirectorSell5,000$21.50$107,500.007,665View SEC Filing Icon  
7/22/2025Rhea J. PosedelDirectorSell18,000$19.83$356,940.0071,163View SEC Filing Icon  
7/15/2025Alistair N. SporckVPSell3,000$14.13$42,390.0030,808View SEC Filing Icon  
5/12/2025Alberto SalamoneEVPSell4,995$9.08$45,354.6056,241View SEC Filing Icon  
8/2/2024Howard T. SlayenDirectorBuy20,000$15.50$310,000.00220,714View SEC Filing Icon  
7/30/2024Fariba DaneshDirectorSell10,000$18.59$185,900.0016,390View SEC Filing Icon  
7/19/2024Alistair N. SporckVPSell1,257$18.82$23,656.7424,453View SEC Filing Icon  
1/18/2024Donald P. Richmond, IIInsiderSell1,021$17.39$17,755.19175,232View SEC Filing Icon  
1/18/2024Gayn EricksonCEOSell4,871$17.39$84,706.69427,935View SEC Filing Icon  
1/18/2024Vernon RogersVPSell1,309$17.39$22,763.5140,277View SEC Filing Icon  
1/16/2024Donald P. Richmond, IIInsiderSell180$17.24$3,103.20176,253View SEC Filing Icon  
1/16/2024Gayn EricksonCEOSell1,113$17.24$19,188.12432,806View SEC Filing Icon  
1/16/2024Vernon RogersVPSell244$17.24$4,206.5641,586View SEC Filing Icon  
1/12/2024Avijit K Ray-ChaudhuriVPBuy3,000$17.87$53,610.009,719View SEC Filing Icon  
12/6/2023Chris SiuCFOSell322$25.27$8,136.9414,747View SEC Filing Icon  
10/16/2023Alistair N. SporckVPSell955$37.65$35,955.7511,988View SEC Filing Icon  
10/11/2023Howard T. SlayenDirectorBuy700$40.20$28,140.00186,989View SEC Filing Icon  
8/9/2023Donald P. Richmond, IIVPSell30,000$48.75$1,462,500.00138,734View SEC Filing Icon  
7/31/2023Laura OliphantDirectorSell10,000$51.67$516,700.00View SEC Filing Icon  
7/27/2023Howard T. SlayenDirectorSell5,352$52.82$282,692.64186,875View SEC Filing Icon  
7/25/2023Howard T. SlayenDirectorSell14,648$51.91$760,377.68192,227View SEC Filing Icon  
7/21/2023Geoffrey Gates ScottDirectorSell10,208$48.25$492,536.0049,460View SEC Filing Icon  
7/18/2023Vernon RogersVPSell40,013$50.24$2,010,253.1236,441View SEC Filing Icon  
7/17/2023David S. HendricksonInsiderSell28,000$51.45$1,440,600.0084,783View SEC Filing Icon  
7/17/2023Gayn EricksonCEOSell123,811$51.29$6,350,266.19421,123View SEC Filing Icon  
7/17/2023Kenneth B. SpinkCFOSell36,511$51.39$1,876,300.29View SEC Filing Icon  
7/17/2023Rhea J. PosedelDirectorSell80,000$51.56$4,124,800.00448,821View SEC Filing Icon  
7/14/2023Gayn EricksonCEOSell50,000$45.00$2,250,000.00550,033View SEC Filing Icon  
6/8/2023Mario M. RosatiDirectorSell1,201$41.14$49,409.14View SEC Filing Icon  
6/6/2023Mario M. RosatiDirectorSell541$40.53$21,926.73View SEC Filing Icon  
5/5/2023Alistair N. SporckVPSell960$27.08$25,996.8012,651View SEC Filing Icon  
4/6/2023Geoffrey Gates ScottDirectorSell30,000$28.21$846,300.0059,668View SEC Filing Icon  
3/23/2023Gayn EricksonCEOSell50,000$40.00$2,000,000.00569,064View SEC Filing Icon  
3/1/2023Kenneth B SpinkCFOSell25,000$35.22$880,500.0099,880View SEC Filing Icon  
2/6/2023Mario M. RosatiDirectorSell27,943$36.31$1,014,610.3398,083View SEC Filing Icon  
2/2/2023Mario M. RosatiDirectorSell2,500$36.27$90,675.001,201View SEC Filing Icon  
1/30/2023Geoffrey Gates ScottDirectorSell25,000$33.89$847,250.0089,668View SEC Filing Icon  
1/27/2023Vernon RogersVPSell37,500$35.39$1,327,125.0069,775View SEC Filing Icon  
1/24/2023Gayn EricksonCEOSell50,496$35.00$1,767,360.00495,253View SEC Filing Icon  
1/23/2023Alistair N. SporckVPSell470$34.52$16,224.4013,124View SEC Filing Icon  
1/23/2023Rhea J. PosedelDirectorSell40,000$33.90$1,356,000.00523,821View SEC Filing Icon  
1/20/2023Rhea J. PosedelDirectorSell40,000$31.40$1,256,000.00563,821View SEC Filing Icon  
1/17/2023Alistair N. SporckVPSell499$28.79$14,366.2114,062View SEC Filing Icon  
1/13/2023Gayn EricksonCEOSell50,000$30.00$1,500,000.00553,051View SEC Filing Icon  
1/13/2023Mario M. RosatiDirectorSell17,291$28.64$495,214.2450,067View SEC Filing Icon  
1/11/2023David S. HendricksonInsiderSell5,253$28.71$150,813.6398,614View SEC Filing Icon  
1/10/2023Geoffrey Gates ScottDirectorSell15,000$27.29$409,350.00114,668View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Aehr Test Systems (NASDAQ:AEHR)

69.69% of Aehr Test Systems stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at AEHR by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Aehr Test Systems Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/19/2025Sunbelt Securities Inc.900$27K0.0%N/A0.003%Search for SEC Filing on Google Icon
11/17/2025Harvest Investment Services LLC27,073$0.82M0.2%N/A0.090%Search for SEC Filing on Google Icon
11/17/2025NewEdge Advisors LLC15,959$0.48M0.0%+35,364.4%0.053%Search for SEC Filing on Google Icon
11/17/2025XTX Topco Ltd22,328$0.67M0.0%+61.8%0.074%Search for SEC Filing on Google Icon
11/17/2025Wexford Capital LP1,790$54K0.0%-72.9%0.006%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC40,897$1.23M0.0%+250.7%0.136%Search for SEC Filing on Google Icon
11/17/2025Parallax Volatility Advisers L.P.10,768$0.32M0.0%N/A0.036%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC58,727$1.77M0.0%N/A0.196%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.13,090$0.39M0.0%-16.1%0.044%Search for SEC Filing on Google Icon
11/17/2025Integrated Wealth Concepts LLC13,172$0.40M0.0%N/A0.044%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP13,936$0.42M0.0%N/A0.046%Search for SEC Filing on Google Icon
11/17/2025Bard Associates Inc.181,620$5.47M1.5%-6.6%0.605%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.36,420$1.10M0.0%+48.5%0.121%Search for SEC Filing on Google Icon
11/14/2025Creative Planning6,821$0.21M0.0%N/A0.023%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.13,100$0.39M0.0%+45.9%0.044%Search for SEC Filing on Google Icon
11/14/2025Virtu Financial LLC72,057$2.17M0.1%N/A0.240%Search for SEC Filing on Google Icon
11/14/2025Cim LLC8,074$0.24M0.0%N/A0.027%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP105,327$3.17M0.0%N/A0.351%Search for SEC Filing on Google Icon
11/14/2025Wellington Management Group LLP361,264$10.88M0.0%+33.4%1.204%Search for SEC Filing on Google Icon
11/14/2025FORA Capital LLC7,199$0.22M0.0%-35.2%0.024%Search for SEC Filing on Google Icon
11/13/2025Kennedy Capital Management LLC256,611$7.73M0.2%-42.3%0.855%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.366,570$11.04M0.0%+1,137.2%1.222%Search for SEC Filing on Google Icon
11/13/2025Pier Capital LLC370,955$11.17M1.7%-8.6%1.236%Search for SEC Filing on Google Icon
11/13/2025KLCM Advisors Inc.75,000$2.26M0.2%+200.0%0.250%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG156,115$4.70M0.0%+10.5%0.520%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets5,533$0.17M0.0%+99.5%0.018%Search for SEC Filing on Google Icon
11/13/2025RiverPark Advisors LLC1,411$42K0.0%N/A0.005%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.2,448$74K0.0%+3,500.0%0.008%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC40,220$1.21M0.0%-18.5%0.134%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP131,313$3.95M0.0%-1.4%0.438%Search for SEC Filing on Google Icon
11/12/2025Victory Capital Management Inc.69,540$2.09M0.0%N/A0.232%Search for SEC Filing on Google Icon
11/12/2025Royce & Associates LP55,425$1.67M0.0%-50.3%0.185%Search for SEC Filing on Google Icon
11/12/2025William Blair Investment Management LLC894,061$26.92M0.1%N/A2.980%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC12,366$0.37M0.0%+12.9%0.041%Search for SEC Filing on Google Icon
11/10/2025White Pine Capital LLC25,288$0.76M0.2%-13.4%0.084%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.2,288,190$68.90M0.0%+2.9%7.626%Search for SEC Filing on Google Icon
11/7/2025HighTower Advisors LLC78,340$2.36M0.0%+485.1%0.261%Search for SEC Filing on Google Icon
11/6/2025Wedbush Securities Inc.10,198$0.31M0.0%N/A0.034%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers40,617$1.22M0.0%-2.0%0.135%Search for SEC Filing on Google Icon
11/6/2025Essex Investment Management Co. LLC34,005$1.02M0.2%N/A0.113%Search for SEC Filing on Google Icon
11/5/2025Fortitude Advisory Group L.L.C.22,291$0.67M0.4%N/A0.074%Search for SEC Filing on Google Icon
11/4/2025Jones Financial Companies Lllp1,029$31K0.0%+3,448.3%0.003%Search for SEC Filing on Google Icon
11/4/2025State of Wyoming2,777$84K0.0%+26.7%0.009%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC4,389$0.13M0.0%-78.2%0.015%Search for SEC Filing on Google Icon
11/3/2025New York State Common Retirement Fund24,792$0.75M0.0%+807.1%0.083%Search for SEC Filing on Google Icon
10/31/2025Baillie Gifford & Co.1,530,676$46.09M0.0%-23.1%5.101%Search for SEC Filing on Google Icon
10/23/2025SG Americas Securities LLC7,102$0.21M0.0%N/A0.024%Search for SEC Filing on Google Icon
10/22/2025Penbrook Management LLC116,250$3.50M2.4%-7.9%0.387%Search for SEC Filing on Google Icon
10/16/2025Rice Hall James & Associates LLC444,381$13.38M0.7%-27.4%1.481%Search for SEC Filing on Google Icon
10/15/2025CWM LLC7,239$0.22M0.0%+19.4%0.024%Search for SEC Filing on Google Icon
10/15/2025Inspire Investing LLC14,868$0.45M0.0%-49.8%0.050%Search for SEC Filing on Google Icon
10/15/2025ARS Investment Partners LLC18,024$0.54M0.0%-22.3%0.060%Search for SEC Filing on Google Icon
10/15/2025Net Worth Advisory Group13,207$0.40M0.1%-6.2%0.044%Search for SEC Filing on Google Icon
10/14/2025Farther Finance Advisors LLC855$26K0.0%-53.9%0.003%Search for SEC Filing on Google Icon
10/10/2025Clarity Financial LLC7,624$0.23M0.0%-30.9%0.025%Search for SEC Filing on Google Icon
10/9/2025Halter Ferguson Financial Inc.453,012$13.64M3.1%+3.0%1.512%Search for SEC Filing on Google Icon
9/4/2025Osaic Holdings Inc.63,608$0.82M0.0%+1.9%0.213%Search for SEC Filing on Google Icon
8/19/2025State of Wyoming2,191$28K0.0%N/A0.007%Search for SEC Filing on Google Icon
8/16/2025FORA Capital LLC11,115$0.14M0.0%N/A0.037%Search for SEC Filing on Google Icon
8/16/2025Headlands Technologies LLC5,007$65K0.0%-14.0%0.017%Search for SEC Filing on Google Icon
8/15/2025Tower Research Capital LLC TRC 10,144$0.13M0.0%+159.3%0.034%Search for SEC Filing on Google Icon
8/15/2025Lazard Asset Management LLC9,039$0.12M0.0%N/A0.030%Search for SEC Filing on Google Icon
8/15/2025AWM Investment Company Inc.1,573,824$20.35M2.3%-0.9%5.260%Search for SEC Filing on Google Icon
8/14/2025Raymond James Financial Inc.8,981$0.12M0.0%N/A0.030%Search for SEC Filing on Google Icon
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.15,596$0.20M0.0%-9.5%0.052%Search for SEC Filing on Google Icon
8/14/2025Diversify Advisory Services LLC12,100$0.16M0.0%N/A0.040%Search for SEC Filing on Google Icon
8/13/2025Bosun Asset Management LLC21,000$0.27M0.1%N/A0.070%Search for SEC Filing on Google Icon
8/13/2025StoneX Group Inc.20,071$0.26M0.0%N/A0.067%Search for SEC Filing on Google Icon
8/13/2025Kennedy Capital Management LLC444,782$5.75M0.1%N/A1.487%Search for SEC Filing on Google Icon
8/13/2025Invesco Ltd.29,630$0.38M0.0%-2.0%0.099%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd13,797$0.18M0.0%-62.3%0.046%Search for SEC Filing on Google Icon
8/12/2025American Century Companies Inc.22,106$0.29M0.0%+88.1%0.074%Search for SEC Filing on Google Icon
8/12/2025Rhumbline Advisers41,466$0.54M0.0%+3.1%0.139%Search for SEC Filing on Google Icon
8/12/2025Legal & General Group Plc6,882$89K0.0%+110.8%0.023%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.15,576$0.20M0.0%+7.9%0.052%Search for SEC Filing on Google Icon
8/11/2025ARS Investment Partners LLC23,192$0.30M0.0%N/A0.078%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC10,952$0.14M0.0%-45.0%0.037%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC678,546$8.78M0.0%+1.3%2.268%Search for SEC Filing on Google Icon
8/5/2025Pier Capital LLC405,932$5.25M0.8%+16.0%1.357%Search for SEC Filing on Google Icon
7/31/2025AlphaQuest LLC20,156$0.26M0.0%+697.6%0.068%Search for SEC Filing on Google Icon
7/28/2025Penbrook Management LLC126,250$1.63M1.2%+205.1%0.424%Search for SEC Filing on Google Icon
7/25/2025CWM LLC6,062$78K0.0%+15.1%0.020%Search for SEC Filing on Google Icon
7/24/2025Inspire Investing LLC29,603$0.38M0.0%-38.5%0.099%Search for SEC Filing on Google Icon
7/11/2025Halter Ferguson Financial Inc.439,714$5.69M2.0%+3.7%1.477%Search for SEC Filing on Google Icon
7/11/2025Bouvel Investment Partners LLC54,802$0.71M0.2%-5.9%0.184%Search for SEC Filing on Google Icon
6/27/2025Goldman Sachs Group Inc.145,997$1.06M0.0%-17.6%0.490%Search for SEC Filing on Google Icon
6/3/2025Inspire Investing LLC48,148$0.35M0.0%+99.3%0.162%Search for SEC Filing on Google Icon
5/29/2025Rhumbline Advisers40,212$0.29M0.0%+5.7%0.135%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.145,997$1.06M0.0%-17.6%0.490%Search for SEC Filing on Google Icon
5/16/2025Panoramic Capital LLC33,455$0.24M0.3%-80.0%0.112%Search for SEC Filing on Google Icon
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.17,225$0.13M0.0%+8.5%0.058%Search for SEC Filing on Google Icon
5/16/2025AWM Investment Company Inc.1,587,936$11.58M1.6%+28.1%5.334%Search for SEC Filing on Google Icon
5/15/2025Royal Bank of Canada50,207$0.37M0.0%+262.7%0.169%Search for SEC Filing on Google Icon
5/14/2025Jump Financial LLC119,143$0.87M0.0%+324.0%0.400%Search for SEC Filing on Google Icon
5/14/2025Quantbot Technologies LP4,308$31K0.0%N/A0.014%Search for SEC Filing on Google Icon
5/14/2025Wellington Management Group LLP276,573$2.02M0.0%+37.5%0.929%Search for SEC Filing on Google Icon
5/13/2025American Century Companies Inc.11,752$86K0.0%N/A0.039%Search for SEC Filing on Google Icon
5/12/2025Nuveen LLC73,331$0.54M0.0%N/A0.246%Search for SEC Filing on Google Icon
5/12/2025Invesco Ltd.30,226$0.22M0.0%+88.8%0.102%Search for SEC Filing on Google Icon
5/9/2025Deutsche Bank AG20,548$0.15M0.0%-11.3%0.069%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Aehr Test Systems logo
Aehr Test Systems provides test solutions for testing, burning-in, and semiconductor devices in wafer level, singulated die, and package part form, and installed systems worldwide. Its product portfolio includes FOX-XP and FOX-NP systems that are full wafer contact and singulated die/module test and burn-in systems that can test, burn-in, and stabilize range of devices, including silicon carbide-based and other power semiconductors, 2D and 3D sensors used in mobile phones, tablets and other computing devices, memory semiconductors, processors, microcontrollers, systems-on-a-chip, and photonics and integrated optical devices. The company also offers FOX-CP system, a low-cost single-wafer compact test solution for logic, memory, and photonic devices; FOX WaferPak Contactor, a full wafer contactor capable of testing wafers up to 300mm that enables integrated circuit manufacturers to perform test, burn-in, and stabilization of full wafers on the FOX-P systems. In addition, it provides FOX DiePak Carrier, a reusable temporary package that enables IC manufacturers to perform final test and burn-in of bare die and modules; and FOX DiePak Loader. The company was incorporated in 1977 and is headquartered in Fremont, California.
Read More on Aehr Test Systems

Today's Range

Now: $25.50
Low: $24.33
High: $25.88

50 Day Range

MA: $25.05
Low: $19.40
High: $33.25

52 Week Range

Now: $25.50
Low: $6.27
High: $34.35

Volume

582,423 shs

Average Volume

744,019 shs

Market Capitalization

$765.26 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.4

Who are the company insiders with the largest holdings of Aehr Test Systems?

Aehr Test Systems' top insider investors include:
  1. Gayn Erickson (CEO)
  2. Howard T Slayen (Director)
  3. Donald P Richmond II (Insider)
  4. Rhea J Posedel (Director)
  5. Alberto Salamone (EVP)
  6. Vernon Rogers (VP)
  7. Alistair N Sporck (VP)
  8. Fariba Danesh (Director)
  9. Chris Siu (CFO)
  10. Avijit K Ray-Chaudhuri (VP)
  11. Laura Oliphant (Director)
Learn More about top insider investors at Aehr Test Systems.

Who are the major institutional investors of Aehr Test Systems?

Aehr Test Systems' top institutional investors include:
  1. Vanguard Group Inc. — 7.63%
  2. Baillie Gifford & Co. — 5.10%
  3. William Blair Investment Management LLC — 2.98%
  4. Susquehanna International Group LLP — 0.00%
  5. Halter Ferguson Financial Inc. — 1.51%
  6. Rice Hall James & Associates LLC — 1.48%
Learn More about top institutional investors of Aehr Test Systems stock.

Which major investors are selling Aehr Test Systems stock?

Within the previous quarter, AEHR stock was sold by these institutional investors:
  1. Baillie Gifford & Co.
  2. Kennedy Capital Management LLC
  3. Rice Hall James & Associates LLC
  4. Bank of America Corp DE
  5. Royce & Associates LP
  6. Pier Capital LLC
  7. AlphaQuest LLC
  8. Inspire Investing LLC
During the last year, company insiders that have sold Aehr Test Systems company stock include:
  1. Gayn Erickson (CEO)
  2. Howard T Slayen (Director)
  3. Donald P Richmond II (Insider)
  4. Rhea J Posedel (Director)
  5. Alberto Salamone (EVP)
  6. Vernon Rogers (VP)
Learn More investors selling Aehr Test Systems stock.

Which major investors are buying Aehr Test Systems stock?

Within the previous quarter, AEHR stock was bought by institutional investors including:
  1. William Blair Investment Management LLC
  2. Invesco Ltd.
  3. Susquehanna International Group LLP
  4. Citadel Advisors LLC
  5. IMC Chicago LLC
  6. Group One Trading LLC
  7. Two Sigma Investments LP
  8. Wellington Management Group LLP
During the previous year, these company insiders have bought Aehr Test Systems stock:
  1. Gayn Erickson (CEO)
  2. Howard T Slayen (Director)
Learn More investors buying Aehr Test Systems stock.