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Aehr Test Systems

AEHR
Exchange
Nasdaq
Industry
Instruments For Meas & Testing of Electricity & Elec Signals
SEC CIK
0001040470

In the last 90 days, Aehr Test Systems insiders filed 0 open-market purchases and 13 sales; 262 institutions reported holding it in 13F filings for Q2 2026, worth $2.23B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Aehr Test Systems insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
13 filings
9 insiders, $18.9M in total
Insiders trading
9
Net value
−$18.9M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Aehr Test Systems, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Aehr Test Systems
NameTitleLast reported holdingLast filingFilings, past year
Wimmers DidierExecutive VP of R&D12,379Sep 3, 20268
Siu ChrisCFO77,328Sep 1, 202615
Rogers VernonExec VP of Sales & Mktg.186,232Aug 18, 202622
Engineer AdilChief Operating Officer46,477Aug 14, 202617
Slayen Howard TDirector140,667Aug 14, 20269
Posedel Rhea JDirector381,989IndirectAug 14, 202610
Salamone AlbertoEVP, PPBI BUSINESS41,962Aug 14, 202612
Erickson GaynPresident and CEO157,723IndirectAug 13, 202618
Scott Geoffrey GatesDirector10,000IndirectAug 13, 20268
Oliphant LauraDirector16,100Aug 13, 20268
Sporck Alistair NVP Contactor Business Unit22,547Aug 11, 202623
Richmond Donald P. IICTO186,567Jul 27, 202618
Danesh FaribaDirector14,801Jul 2, 20264
Ray-Chaudhuri Avijit K.Executive VP of R&D28,318Oct 29, 20240
Hendrickson David SFormer CTO84,783Jul 19, 20230
Spink Kenneth B.VP of Finance and CFO0Jul 19, 20230
Rosati Mario MDirector0IndirectJun 12, 20230
Brannan Michael A.Other: FORMER VP OF OPERATIONS0Jan 27, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 5, 2025 (view filing)Nov 5Same daySlayen Howard TDirectorSSale−6.00K$25.73−$154.4K−2.7%218.3K after
Oct 10, 2025 (view filing)Oct 91 dayDanesh FaribaDirectorSSale−9.00K$24.79−$223.1K−35.1%16.6K after2 lots
Jul 25, 2025 (view filing)Jul 25Same dayOliphant LauraDirectorSSale−5.00K$21.50−$107.5K−39.5%7.67K after
Jul 24, 2025 (view filing)Jul 222 daysPosedel Rhea JDirectorSSale−18.0K$19.83−$356.9K−20.2%71.2K after
Jul 18, 2025 (view filing)Jul 153 daysLateSporck Alistair NVP Contactor Business UnitSSale−3.00K$14.13−$42.4K−8.9%30.8K after
May 12, 2025 (view filing)May 12Same daySalamone AlbertoEVP, PPBI BUSINESSSSale−5.00K$9.08−$45.4K−8.2%56.2K after
Aug 2, 2024 (view filing)Aug 2Same daySlayen Howard TDirectorPPurchase+20.0K$15.50+$310.0K+10.0%220.7K after
Jul 30, 2024 (view filing)Jul 30Same dayDanesh FaribaDirectorSSale−10.0K$18.59−$185.9K−37.9%16.4K after
Jul 29, 2024 (view filing)Jul 18-1911 daysLateRay-Chaudhuri Avijit K.Executive VP of R&DPPurchase+5.04K$19.41+$97.8K+21.9%28.1K after2 lots
Jul 22, 2024 (view filing)Jul 193 daysSporck Alistair NVP Contactor Business UnitSSale−1.26K$18.82−$23.7K−4.9%24.5K after
Jan 19, 2024 (view filing)Jan 181 dayRichmond Donald P. IICTOSSale−1.02K$17.39−$17.8K−0.6%175.2K after
Jan 19, 2024 (view filing)Jan 181 dayErickson GaynPresident and CEOSSale−4.87K$17.39−$84.7K−1.1%427.9K after
Jan 19, 2024 (view filing)Jan 181 dayRogers VernonExec VP of Sales & Mktg.SSale−1.31K$17.39−$22.8K−3.1%40.3K after
Jan 18, 2024 (view filing)Jan 162 daysErickson GaynPresident and CEOSSale−1.11K$17.24−$19.2K−0.3%432.8K after
Jan 18, 2024 (view filing)Jan 162 daysRogers VernonExec VP of Sales & Mktg.SSale−244$17.24−$4.21K−0.6%41.6K after
Jan 17, 2024 (view filing)Jan 161 dayRichmond Donald P. IICTOSSale−180$17.24−$3.10K−0.1%176.3K after
Jan 12, 2024 (view filing)Jan 12Same dayRay-Chaudhuri Avijit K.Executive VP of R&DPPurchase+3.00K$17.87+$53.6K+44.6%9.72K after
Dec 7, 2023 (view filing)Dec 61 daySiu ChrisVP Finance/CFOSSale−322$25.27−$8.14K−2.1%14.7K after
Oct 17, 2023 (view filing)Oct 161 daySporck Alistair NVP, CONTACTOR BUSINESS UNITSSale−955$37.65−$36.0K−7.4%12.0K after
Oct 11, 2023 (view filing)Oct 11Same daySlayen Howard TDirectorPPurchase+700$40.20+$28.1K+0.4%187.0K after
Aug 11, 2023 (view filing)Aug 9-102 daysRichmond Donald P. IIVP of EngineeringSSale−30.1K$48.76−$1.47M−17.8%138.6K after2 lots
Aug 4, 2023 (view filing)Aug 2-32 daysScott Geoffrey GatesDirectorSSale−14.5K$50.91−$736.7K−29.3%35.0K after2 lots
Aug 2, 2023 (view filing)Jul 312 daysOliphant LauraDirectorSSale−10.0K$51.67−$516.7K−100.0%0 after
Aug 2, 2023 (view filing)Aug 11 dayOliphant LauraDirectorSSale−1.01K$52.50−$52.9K−7.4%12.7K after
Jul 31, 2023 (view filing)Jul 274 daysSlayen Howard TDirectorSSale−5.35K$52.82−$282.7K−2.8%186.9K after
Jul 27, 2023 (view filing)Jul 252 daysSlayen Howard TDirectorSSale−14.6K$51.91−$760.4K−7.1%192.2K after
Jul 25, 2023 (view filing)Jul 214 daysScott Geoffrey GatesDirectorSSale−10.2K$48.25−$492.5K−17.1%49.5K after
Jul 20, 2023 (view filing)Jul 182 daysRogers VernonExec. VP Sales and MarketingSSale−40.0K$50.24−$2.01M−52.3%36.4K after
Jul 19, 2023 (view filing)Jul 17-182 daysPosedel Rhea JDirectorSSale−100.0K$51.85−$5.18M−18.9%428.8K after2 lots
Jul 19, 2023 (view filing)Jul 172 daysSpink Kenneth B.VP of Finance and CFOSSale−36.5K$51.39−$1.88M−100.0%0 after
Jul 19, 2023 (view filing)Jul 172 daysHendrickson David SFormer CTOSSale−28.0K$51.45−$1.44M−24.8%84.8K after
Jul 19, 2023 (view filing)Jul 172 daysErickson GaynPresident and CEOSSale−123.8K$51.29−$6.35M−22.7%421.1K after
Jul 17, 2023 (view filing)Jul 143 daysErickson GaynPresident and CEOSSale−50.0K$45.00−$2.25M−8.3%550.0K after
Jun 12, 2023 (view filing)Jun 84 daysRosati Mario MDirectorSSale−1.20K$41.14−$49.4K−100.0%0 after
Jun 12, 2023 (view filing)Jun 66 daysLateRosati Mario MDirectorSSale−541$40.53−$21.9K−100.0%0 after
May 19, 2023 (view filing)May 172 daysPosedel Rhea JDirectorSSale−18.0K$29.00−$522.0K−26.9%49.0K after
May 9, 2023 (view filing)May 54 daysSporck Alistair NVP, CONTACTOR BUSINESS UNITSSale−960$27.08−$26.0K−7.1%12.7K after
Apr 10, 2023 (view filing)Apr 64 daysScott Geoffrey GatesDirectorSSale−30.0K$28.21−$846.3K−33.5%59.7K after
Mar 27, 2023 (view filing)Mar 234 daysErickson GaynPresident and CEOSSale−50.0K$40.00−$2.00M−8.1%569.1K after10b5-1
Mar 3, 2023 (view filing)Mar 12 daysSpink Kenneth B.VP of Finance and CFOSSale−25.0K$35.22−$880.5K−20.0%99.9K after
Feb 9, 2023 (view filing)Feb 72 daysRosati Mario MDirectorSSale−98.1K$36.42−$3.57M−100.0%0 after
Feb 8, 2023 (view filing)Feb 62 daysRichmond Donald P. IIVP of EngineeringSSale−30.0K$35.66−$1.07M−15.6%162.1K after
Feb 7, 2023 (view filing)Feb 3-64 daysRosati Mario MDirectorSSale−52.9K$36.19−$1.92M−35.1%98.1K after2 lots
Feb 6, 2023 (view filing)Feb 24 daysRosati Mario MDirectorSSale−2.50K$36.27−$90.7K−67.5%1.20K after
Feb 6, 2023 (view filing)Feb 24 daysRosati Mario MDirectorSSale−47.9K$36.25−$1.74M−98.9%541 after
Feb 2, 2023 (view filing)Jan 312 daysRosati Mario MDirectorSSale−64.1K$34.23−$2.19M−94.5%3.70K after
Feb 2, 2023 (view filing)Jan 312 daysRosati Mario MDirectorSSale−27.0K$34.72−$937.4K−100.0%0 after
Feb 2, 2023 (view filing)Jan 312 daysOliphant LauraDirectorSSale−504$33.89−$17.1K−5.5%8.67K after
Feb 1, 2023 (view filing)Jan 302 daysScott Geoffrey GatesDirectorSSale−25.0K$33.89−$847.3K−21.8%89.7K after
Jan 31, 2023 (view filing)Jan 274 daysRogers VernonExec. VP Sales and MarketingSSale−37.5K$35.39−$1.33M−35.0%69.8K after