Aehr Test Systems (AEHR) Insider Trading

Over the last 3 months, AEHR insiders made 0 open-market buys and 42 sales, a net sale of -$41.4M (SEC Form 4). Over the last 6 months, 134 institutions increased and 93 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
42
Net (3m)
-$41.4M
Insider trades by month Buys Sells
Oct
Nov
Jan
Feb
Apr
May
Context3-month price +187.9%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jun 4, 2026WIMMERS DIDIERofficer: Executive VP of R&DTax332$114.59
Jun 1, 2026Siu Chrisofficer: CFOTax350$93.62
May 15, 2026Siu Chrisofficer: CFOSell1,600$106.78
May 15, 2026SLAYEN HOWARD TdirectorSell6,819$104.73
May 15, 2026Siu Chrisofficer: CFOSell470$108.00
May 1, 2026SALAMONE ALBERTOofficer: EVP, PPBI BUSINESSTax204$93.07
Apr 29, 2026SCOTT GEOFFREY GATESdirector: DirectorTax10,000
Apr 27, 2026SPORCK ALISTAIR Nofficer: VP Contactor Business UnitTax133$88.48
Apr 27, 2026ENGINEER ADILofficer: Chief Operating OfficerTax143$88.48
Apr 27, 2026Erickson Gayndirector, officer: President and CEOTax851$88.48
Apr 27, 2026ROGERS VERNONofficer: Exec VP of Sales & Mktg.Tax139$88.48
Apr 27, 2026RICHMOND DONALD P. IIofficer: CTOTax102$88.48
Apr 22, 2026POSEDEL RHEA Jdirector: DirectorSell604$95.00
Apr 22, 2026SPORCK ALISTAIR Nofficer: VP Contactor Business UnitSell2,000$93.50
Apr 22, 2026SALAMONE ALBERTOofficer: EVP, PPBI BUSINESSSell15,000$89.57
Apr 22, 2026POSEDEL RHEA Jdirector: DirectorSell17,115$100.00
Apr 21, 2026POSEDEL RHEA Jdirector: DirectorSell8,787$96.02
Apr 21, 2026SCOTT GEOFFREY GATESdirector: DirectorSell50,000$95.00
Apr 21, 2026SCOTT GEOFFREY GATESdirector: DirectorSell10,000$91.00
Apr 21, 2026ROGERS VERNONofficer: Exec VP of Sales & Mktg.Sell5,000$90.00
Apr 21, 2026ROGERS VERNONofficer: Exec VP of Sales & Mktg.Sell6,486$94.09
Apr 20, 2026SPORCK ALISTAIR Nofficer: VP Contactor Business UnitTax341$83.86
Apr 20, 2026ROGERS VERNONofficer: Exec VP of Sales & Mktg.Sell2,431$90.00
Apr 20, 2026POSEDEL RHEA Jdirector: DirectorSell7,500$88.09
Apr 17, 2026SPORCK ALISTAIR Nofficer: VP Contactor Business UnitSell2,000$81.88
Apr 17, 2026DANESH FARIBAdirector: DirectorOption8,000$2.25
Apr 17, 2026POSEDEL RHEA Jdirector: DirectorSell7,500$82.00
Apr 17, 2026DANESH FARIBAdirector: DirectorSell8,000$82.63
Apr 17, 2026OLIPHANT LAURAdirector: DirectorSell1,716$81.54
Apr 17, 2026SLAYEN HOWARD Tdirector: DirectorSell25,000$85.00

Source: AEHR SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their AEHR positions over the last 6 months (SEC Form 13F).

Increased
134
New positions
82
Reduced
93
Sold out
45
Largest moves
InstitutionActionSharesFiled
FMR LLCReduced2.5MFeb 17, 2026
VANGUARD GROUP INCIncreased2.3MJan 29, 2026
BLACKROCK, INC.Increased2.3MMay 13, 2026
FMR LLCReduced2.1MMay 15, 2026
BLACKROCK, INC.Increased2.1MFeb 12, 2026
AWM INVESTMENT COMPANY, INC.Increased1.6MMay 15, 2026
AWM INVESTMENT COMPANY, INC.Reduced1.5MFeb 13, 2026
PRICE T ROWE ASSOCIATES INC /MD/Increased1.3MMay 15, 2026
BAILLIE GIFFORD & COReduced1.3MJan 23, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position1.3MMay 15, 2026
GOLDMAN SACHS GROUP INCIncreased1.3MMay 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPIncreased1.2MFeb 17, 2026
BAILLIE GIFFORD & COReduced1.0MMay 8, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position918KMay 8, 2026
WELLINGTON MANAGEMENT GROUP LLPIncreased831KFeb 17, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.