AEHR

AEHR TEST SYSTEMS

NasdaqIndustrialsInstruments For Meas & Testing of Electricity & Elec Signals

Insider activity for last month from 08/04 to 09/04. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 04, 2026Most recent Form 4
Total buying$00 buys
Total selling$84.7M3 sells
Net open-market-$84.7M3 insiders
Open-market mix
Buy vs sell distribution by transaction count
3 transactions
0 buys0%·100%3 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAug 2026 sells: 3 transactions · $84.7M3AugSep

Transaction codes

By Form 4 transaction code in selected period
5transactions
  • S · Open-market sells · dominant3 · 60%
  • F · Tax withholding2 · 40%

Activity by reported role

A joint filing can contribute to multiple roles
9transactions
  • EVS · dominant3 · 33%
  • MKTG3 · 33%
  • Chief financial officer1 · 11%
  • D1 · 11%
  • EVR1 · 11%

Distinct insiders active

Reporting-owner CIKs by month · peak Sep 2026 (2)
Aug 2026Sep 2026
3distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Rogers VernonCommon Stock · Direct
191.2k186.2kAug 14, 2026 · 191,226 shares owned afterAug 14, 2026 · 190,226 shares owned afterAug 17, 2026 · 186,232 shares owned afterAug 14, 2026Aug 17, 2026
186,232Aug 17, 2026
Siu ChrisCommon Stock · Direct
77.3k77.3kSep 01, 2026 · 77,328 shares owned afterSep 01, 2026Sep 01, 2026
77,328Sep 01, 2026
Wimmers DidierCommon Stock · Direct
12.4k12.4kSep 03, 2026 · 12,379 shares owned afterSep 03, 2026Sep 03, 2026
12,379Sep 03, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
0 active days
Aug 04Sep 04
LessMore

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$57.4M
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

AEHR transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date

No transactions match your filters

Once the backend ingests and parses SEC filings, they will appear here. Try removing a filter or picking a wider date range.

AEHR TEST SYSTEMS Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at AEHR TEST SYSTEMS?

WIMMERS DIDIER, Siu Chris, ROGERS VERNON.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Rogers Vernon reported a sale on Aug 17, 2026 valued at $57.4M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $847,217.38. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.