// company-profile

Aehr Test Systems

AEHR
ExchangeNasdaqSectorInstruments For Meas & Testing of Electricity & Elec SignalsInc.CAFilings378Insiders17
// api This Aehr Test Systems insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $71K across 2 transactions.

// 90-day insight

Over the last 90 days, Aehr Test Systems insiders bought $34K (4 transactions) and sold $22.6M (41 transactions).

  • Most active insider: ROGERS VERNON with 7 transactions totaling $1.8M.
  • Largest single sale: $4.8M by SCOTT GEOFFREY GATES on Apr 21, 2026.

Activity skews bearish — sales outpace buys.

Institutional Ownership

Top 13F-HR holders of Aehr Test Systems as of 2026-03-31

↑ increasing
Total reported AUM
$867.2M
QoQ change
+84.7%
Reporting period
2026-03-31
#1
FMR LLC
CIK 315066
$79.4M
2.1M shares
#2
AWM Investment Company, Inc.
CIK 1535264
$59.1M
1.6M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$47.5M
1.3M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 18, 2026OLIPHANT LAURAAEHR
Gift
19$0.00$0K
Jun 18, 2026OLIPHANT LAURAAEHR
Gift
19$0.00$0K
Jun 18, 2026OLIPHANT LAURAAEHR
Gift
19$0.00$0K
Jun 3, 2026WIMMERS DIDIERAEHR
Tax Withholding
332$114.59$38K
Jun 1, 2026Siu ChrisAEHR
Tax Withholding
350$93.62$33K

45 more transactions hidden

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