Latest filingSep 04, 2026Most recent Form 4
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.
Total buying$00 buys
Total selling$84.7M3 sells
Net open-market-$84.7M3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period5transactions
- S · Open-market sells · dominant3 · 60%
- F · Tax withholding2 · 40%
Activity by reported role
A joint filing can contribute to multiple roles9transactions
- 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
Reported Holdings After
Separated by insider, security, and ownership typeRogers VernonCommon Stock · Direct
186,232Aug 17, 2026
Siu ChrisCommon Stock · Direct
77,328Sep 01, 2026
Wimmers DidierCommon Stock · Direct
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 redAug 04 → Sep 04
LessMore
Top insiders
By absolute net value across the selected period- RV-$847.2k
- SC-$38.0k
- WD-$24.2k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
AEHR transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| AEHR | WIMMERS DIDIER | EVRD | withholding | 317 | -$2.41M | F | — | 0.0% | 09/04 | 09/03 |
| AEHR | Siu Chris | CFO | withholding | 496 | -$3.79M | F | 0.0% | 09/01 | 09/01 | |
| AEHR | ROGERS VERNON | EVSMKTG | sale | 3.99k | -$57.4M | S | −37.9% | 08/18 | 08/17 | |
| AEHR | ROGERS VERNON | EVSMKTG | sale | 1.00k | -$13.9M | S | −37.9% | 08/18 | 08/14 | |
| AEHR | ROGERS VERNON | EVSMKTG | sale | 1.00k | -$13.4M | S | −37.9% | 08/18 | 08/14 |
AEHR TEST SYSTEMS Insider Activity FAQ
SEC Form 4 contextWho 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.