A

SEC EDGAR - Form 4 insider activity

Aehr Test Systems $AEHR

Tracked equity - 15 filings indexed by Nortis

Nortis signal thesis

Cluster activity detected. Review whether the filings are open-market trades or routine compensation events.

5

OM buys - 90d

0

OM sells - 90d

10

Routine filings

15

Cluster filings

$347.3K

Largest trade

34/100

Avg signal score

Filing tape

Recent filings

Last 30d: 15
Tax WithholdingCLUSTERRoutine 15/100
filed 2026-10-05
EGCEO

Erickson Gayn - Director, President and CEO - $347.3K

Shares were withheld to cover taxes on vesting stock - this is routine mechanics, not a discretionary insider sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Tax WithholdingCLUSTERRoutine 15/100
filed 2026-10-05
EAOfficer

ENGINEER ADIL - Chief Operating Officer - $66.5K

Shares were withheld to cover taxes on vesting stock - this is routine mechanics, not a discretionary insider sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Tax WithholdingCLUSTERRoutine 15/100
filed 2026-10-05
RIInsider

RICHMOND DONALD P. II - CTO - $47.1K

Shares were withheld to cover taxes on vesting stock - this is routine mechanics, not a discretionary insider sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Tax WithholdingCLUSTERRoutine 15/100
filed 2026-10-05
RVOfficer

ROGERS VERNON - Exec VP of Sales & Mktg. - $51.0K

Shares were withheld to cover taxes on vesting stock - this is routine mechanics, not a discretionary insider sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Tax WithholdingCLUSTERRoutine 15/100
filed 2026-10-05
SAInsider

SALAMONE ALBERTO - EVP, PPBI BUSINESS - $59.6K

Shares were withheld to cover taxes on vesting stock - this is routine mechanics, not a discretionary insider sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Tax WithholdingCLUSTERRoutine 15/100
filed 2026-10-05
SCCFO

Siu Chris - CFO - $124.8K

Shares were withheld to cover taxes on vesting stock - this is routine mechanics, not a discretionary insider sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Tax WithholdingCLUSTERRoutine 15/100
filed 2026-10-05
SNOfficer

SPORCK ALISTAIR N - VP Contactor Business Unit - $37.0K

Shares were withheld to cover taxes on vesting stock - this is routine mechanics, not a discretionary insider sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Tax WithholdingCLUSTERRoutine 15/100
filed 2026-10-02
EGCEO

Erickson Gayn - Director, President and CEO - $50.7K

Shares were withheld to cover taxes on vesting stock - this is routine mechanics, not a discretionary insider sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Tax WithholdingCLUSTERRoutine 15/100
filed 2026-10-02
SNOfficer

SPORCK ALISTAIR N - VP Contactor Business Unit - $5.5K

Shares were withheld to cover taxes on vesting stock - this is routine mechanics, not a discretionary insider sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 70/100
filed 2026-10-02
WDOfficer

WIMMERS DIDIER - Executive VP of R&D - $8.7K

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 70/100
filed 2026-10-02
SAInsider

SALAMONE ALBERTO - EVP, PPBI BUSINESS - $10.1K

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 70/100
filed 2026-10-02
RVOfficer

ROGERS VERNON - Exec VP of Sales & Mktg. - $10.8K

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 70/100
filed 2026-10-02
RIInsider

RICHMOND DONALD P. II - CTO - $7.1K

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 85/100
filed 2026-10-02
EAOfficer

ENGINEER ADIL - Chief Operating Officer - $4.9K

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Tax WithholdingCLUSTERRoutine 15/100
filed 2026-10-02
SCCFO

Siu Chris - CFO - $19.7K

Shares were withheld to cover taxes on vesting stock - this is routine mechanics, not a discretionary insider sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing