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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
Aug 18, 2026 (view filing)1:56 PM ETAug 14-174 daysRogers VernonExec VP of Sales & Mktg.SSale−5.99K$141.34−$847.2K−3.1%186.2K after3 lots
Aug 14, 2026 (view filing)5:52 PM ETAug 14Same daySlayen Howard TDirectorSSale−5.70K$133.03−$758.3K−3.9%140.7K after
Aug 14, 2026 (view filing)5:46 PM ETAug 14Same dayPosedel Rhea JDirectorSSale−5.97K$140.00−$836.2K−1.5%382.0K after
Aug 14, 2026 (view filing)2:28 PM ETAug 131 daySalamone AlbertoEVP, PPBI BUSINESSSSale−9.67K$127.72−$1.24M−18.7%42.0K after2 lots
Aug 13, 2026 (view filing)6:12 PM ETAug 121 dayErickson GaynPresident and CEOSSale−40.0K$130.84−$5.23M−20.2%157.7K after2 lots
Aug 13, 2026 (view filing)5:28 PM ETAug 121 dayPosedel Rhea JDirectorSSale−8.41K$130.00−$1.09M−2.1%388.0K after
Aug 13, 2026 (view filing)5:11 PM ETAug 121 dayScott Geoffrey GatesDirectorSSale−20.0K$131.51−$2.63M−66.7%10.0K after
Aug 13, 2026 (view filing)5:10 PM ETAug 121 dayEngineer AdilChief Operating OfficerSSale−15.0K$131.02−$1.97M−24.2%47.0K after2 lots
Aug 13, 2026 (view filing)5:09 PM ETAug 121 dayOliphant LauraDirectorSSale−1.72K$133.00−$228.4K−9.6%16.1K after
Aug 11, 2026 (view filing)2:18 PM ETAug 101 daySporck Alistair NVP Contactor Business UnitSSale−1.00K$108.49−$108.5K−4.2%22.5K after
Aug 6, 2026 (view filing)4:46 PM ETAug 42 daysSporck Alistair NVP Contactor Business UnitSSale−2.00K$100.96−$201.9K−7.8%23.5K after2 lots
Aug 4, 2026 (view filing)9:16 PM ETAug 4Same daySlayen Howard TDirectorSSale−20.0K$108.30−$2.17M−12.0%146.4K after
Jul 17, 2026 (view filing)2:23 PM ETJul 161 dayScott Geoffrey GatesDirectorSSale−20.0K$82.13−$1.64M−40.0%30.0K after
May 15, 2026 (view filing)May 132 daysSlayen Howard TDirectorSSale−6.82K$104.73−$714.2K−3.9%169.7K after
May 15, 2026 (view filing)May 141 daySiu ChrisCFOSSale−470$108.00−$50.8K−0.7%70.3K after
May 15, 2026 (view filing)May 141 daySiu ChrisCFOSSale−1.60K$106.78−$170.8K−21.9%5.71K after
Apr 22, 2026 (view filing)Apr 22Same dayPosedel Rhea JDirectorSSale−17.1K$100.00−$1.71M−27.4%45.3K after
Apr 22, 2026 (view filing)Apr 22Same dayPosedel Rhea JDirectorSSale−604$95.00−$57.4K−0.2%396.4K after
Apr 22, 2026 (view filing)Apr 22Same daySporck Alistair NVP Contactor Business UnitSSale−2.00K$93.50−$187.0K−27.9%5.18K after
Apr 22, 2026 (view filing)Apr 20-212 daysSalamone AlbertoEVP, PPBI BUSINESSSSale−30.0K$92.07−$2.76M−38.4%48.0K after2 lots
Apr 21, 2026 (view filing)Apr 21Same dayScott Geoffrey GatesDirectorSSale−60.0K$94.33−$5.66M−54.5%50.0K after2 lots
Apr 21, 2026 (view filing)Apr 201 dayRogers VernonExec VP of Sales & Mktg.SSale−5.00K$90.00−$450.0K−3.3%147.7K after
Apr 21, 2026 (view filing)Apr 21Same dayPosedel Rhea JDirectorSSale−8.79K$96.02−$843.7K−12.3%62.4K after
Apr 21, 2026 (view filing)Apr 21Same dayRogers VernonExec VP of Sales & Mktg.SSale−6.49K$94.09−$610.3K−4.1%152.7K after
Apr 20, 2026 (view filing)Apr 20Same dayRogers VernonExec VP of Sales & Mktg.SSale−2.43K$90.00−$218.8K−1.5%159.2K after
Apr 20, 2026 (view filing)Apr 20Same dayPosedel Rhea JDirectorSSale−7.50K$88.09−$660.7K−1.9%397.0K after
Apr 17, 2026 (view filing)Apr 161 dayDanesh FaribaDirectorSSale−8.00K$82.63−$661.0K−37.8%13.1K after
Apr 17, 2026 (view filing)Apr 17Same dayPosedel Rhea JDirectorSSale−7.50K$82.00−$615.0K−1.8%404.5K after
Apr 17, 2026 (view filing)Apr 17Same daySlayen Howard TDirectorSSale−25.0K$85.00−$2.13M−12.3%178.3K after
Apr 17, 2026 (view filing)Apr 161 dayOliphant LauraDirectorSSale−1.72K$81.54−$139.9K−9.3%16.7K after
Apr 17, 2026 (view filing)Apr 161 dayRogers VernonExec VP of Sales & Mktg.SSale−5.00K$86.88−$434.4K−3.0%161.6K after
Apr 17, 2026 (view filing)Apr 161 daySporck Alistair NVP Contactor Business UnitSSale−2.00K$81.88−$163.8K−8.8%20.6K after
Apr 16, 2026 (view filing)Apr 16Same dayOliphant LauraDirectorSSale−4.67K$85.59−$399.3K−100.0%0 after
Apr 16, 2026 (view filing)Apr 16Same dayPosedel Rhea JDirectorSSale−15.0K$80.72−$1.21M−3.5%412.0K after
Apr 15, 2026 (view filing)Apr 96 daysScott Geoffrey GatesDirectorSSale−40.0K$68.02−$2.72M−28.6%100.0K afterAmended3 lots
Apr 15, 2026 (view filing)Apr 13-152 daysWimmers DidierExecutive VP of R&DSSale−5.40K$71.43−$385.7K−33.6%10.7K after2 lots
Apr 15, 2026 (view filing)Apr 141 dayRichmond Donald P. IICTOSSale−17.0K$73.18−$1.24M−8.6%181.5K after
Apr 14, 2026 (view filing)Apr 104 daysErickson GaynPresident and CEOSSale−56.8K$70.58−$4.01M−22.8%192.0K after
Apr 14, 2026 (view filing)Apr 104 daysErickson GaynPresident and CEOSSale−96.0K$70.58−$6.78M−32.7%197.7K after
Apr 14, 2026 (view filing)Apr 104 daysSporck Alistair NVP Contactor Business UnitSSale−2.00K$67.37−$134.7K−8.0%22.9K after
Apr 14, 2026 (view filing)Apr 95 daysLateEngineer AdilChief Operating OfficerSSale−3.73K$66.30−$247.2K−8.3%41.4K after2 lots
Apr 13, 2026 (view filing)Apr 10-133 daysDanesh FaribaDirectorSSale−10.5K$71.01−$745.6K−44.4%13.1K after2 lots
Apr 10, 2026 (view filing)Apr 10Same dayRogers VernonExec VP of Sales & Mktg.SSale−10.9K$70.00−$762.2K−6.1%167.5K after
Apr 10, 2026 (view filing)Apr 91 dayEngineer AdilChief Operating OfficerSSale−13.1K$68.19−$892.2K−22.5%45.2K after2 lots
Apr 10, 2026 (view filing)Apr 91 dayRichmond Donald P. IICTOSSale−15.8K$68.68−$1.08M−7.3%199.2K after
Apr 10, 2026 (view filing)Apr 91 dayOliphant LauraDirectorSSale−3.00K$68.36−$205.1K−39.1%4.67K after
Apr 10, 2026 (view filing)Apr 91 dayPosedel Rhea JDirectorSSale−30.0K$70.00−$2.10M−6.6%427.0K after
Feb 13, 2026 (view filing)Feb 13Same dayPosedel Rhea JDirectorSSale−14.0K$30.02−$420.2K−3.0%457.0K after
Feb 10, 2026 (view filing)Feb 91 daySporck Alistair NVP Contactor Business UnitSSale−3.00K$27.57−$82.7K−10.7%25.2K after2 lots
Jan 26, 2026 (view filing)Jan 224 daysOliphant LauraDirectorSSale−4.55K$31.40−$142.8K−19.8%18.4K after5 lots