Companies: 10,795·Total market cap: $144.5T
Aehr Test Systems

Aehr Test Systems

AEHRNASDAQTechnology● Active
$95.58
$-2.87(-2.92%)
Market Cap$3.0B
P/E Ratio
52W High$121.8
52W Low$10.89

Aehr Test Systems (AEHR) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · AEHR · as of Jun 8, 2026

Activity summary

Buy transactions

0

P-Purchase only

Sell transactions

58

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Aehr Test Systems insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

AEHR insider buying and selling by quarter

AEHR insider selling · AEHR insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
619K310K0
2025 Q3
2025 Q4
2026 Q1
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · AEHR ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

AEHR executive sell shares · AEHR board member insider trading · AEHR insider trading SEC filing

Showing 92 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

WIMMERS DIDIER

Executive VP of R&D

Other

Date

Jun 3

Shares

332

Price

$114.59

Value

$38K

View Form 4 on SEC.gov

Siu Chris

CFO

Other

Date

Jun 1

Shares

350

Price

$93.62

Value

$33K

View Form 4 on SEC.gov

SLAYEN HOWARD T

Director

Sale

Date

May 13

Shares

6,819

Price

$104.73

Value

$714K

View Form 4 on SEC.gov

Siu Chris

CFO

Sale

Date

May 14

Shares

470

Price

$108.00

Value

$51K

View Form 4 on SEC.gov

Siu Chris

CFO

Sale

Date

May 14

Shares

1,600

Price

$106.78

Value

$171K

View Form 4 on SEC.gov

SALAMONE ALBERTO

EVP, PPBI BUSINESS

Other

Date

May 1

Shares

204

Price

$93.07

Value

$19K

View Form 4 on SEC.gov

SCOTT GEOFFREY GATES

Director

Other

Date

Apr 29

Shares

10,000

Price

Value

View Form 4 on SEC.gov

SPORCK ALISTAIR N

VP Contactor Business Unit

Other

Date

Apr 27

Shares

133

Price

$88.48

Value

$12K

View Form 4 on SEC.gov

ROGERS VERNON

Exec VP of Sales & Mktg.

Other

Date

Apr 27

Shares

139

Price

$88.48

Value

$12K

View Form 4 on SEC.gov

RICHMOND DONALD P. II

CTO

Other

Date

Apr 27

Shares

102

Price

$88.48

Value

$9K

View Form 4 on SEC.gov

Erickson Gayn

President and CEO · Director

Other

Date

Apr 27

Shares

851

Price

$88.48

Value

$75K

View Form 4 on SEC.gov

ENGINEER ADIL

COO

Other

Date

Apr 27

Shares

143

Price

$88.48

Value

$13K

View Form 4 on SEC.gov

POSEDEL RHEA J

Director

Sale

Date

Apr 22

Shares

604

Price

$95.00

Value

$57K

View Form 4 on SEC.gov

POSEDEL RHEA J

Director

Sale

Date

Apr 22

Shares

17,115

Price

$100.00

Value

$1.71M ⚡

View Form 4 on SEC.gov

SPORCK ALISTAIR N

VP Contactor Business Unit

Sale

Date

Apr 22

Shares

2,000

Price

$93.50

Value

$187K

View Form 4 on SEC.gov

SALAMONE ALBERTO

EVP, PPBI BUSINESS

Sale

Date

Apr 20

Shares

15,000

Price

$89.57

Value

$1.34M ⚡

View Form 4 on SEC.gov

SALAMONE ALBERTO

EVP, PPBI BUSINESS

Sale

Date

Apr 21

Shares

15,000

Price

$94.56

Value

$1.42M ⚡

View Form 4 on SEC.gov

SLAYEN HOWARD T

Director

Gift

Date

Apr 22

Shares

1,800

Price

Value

View Form 4 on SEC.gov

SCOTT GEOFFREY GATES

Director

Sale

Date

Apr 21

Shares

10,000

Price

$91.00

Value

$910K

View Form 4 on SEC.gov

SCOTT GEOFFREY GATES

Director

Sale

Date

Apr 21

Shares

50,000

Price

$95.00

Value

$4.75M ⚡

View Form 4 on SEC.gov

ROGERS VERNON

Exec VP of Sales & Mktg.

Sale

Date

Apr 20

Shares

5,000

Price

$90.00

Value

$450K

View Form 4 on SEC.gov

POSEDEL RHEA J

Director

Sale

Date

Apr 21

Shares

8,787

Price

$96.02

Value

$844K

View Form 4 on SEC.gov

ROGERS VERNON

Exec VP of Sales & Mktg.

Sale

Date

Apr 21

Shares

6,486

Price

$94.09

Value

$610K

View Form 4 on SEC.gov

SPORCK ALISTAIR N

VP Contactor Business Unit

Other

Date

Apr 18

Shares

341

Price

$83.86

Value

$29K

View Form 4 on SEC.gov

ROGERS VERNON

Exec VP of Sales & Mktg.

Sale

Date

Apr 20

Shares

2,431

Price

$90.00

Value

$219K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About AEHR insider trading

AEHR insider trades

Aehr Test Systems (AEHR) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including SPORCK ALISTAIR N (VP Contactor Business Unit), ROGERS VERNON (Exec VP of Sales & Mktg.), ENGINEER ADIL (COO). Over the past 12 months, 5 insiders have filed transactions with the SEC. AEHR insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Aehr Test Systems's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

AEHR insider trading · 5 questions

The insiders of Aehr Test Systems (AEHR) include executives and directors such as SPORCK ALISTAIR N (VP Contactor Business Unit), ROGERS VERNON (Exec VP of Sales & Mktg.), ENGINEER ADIL (COO), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

AEHR board member insider tradingwho are AEHR insidersAEHR insider rosterAehr Test Systems executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026