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Who

Gayn Erickson

President and CEO

Company insider

Files Form 4 as: President and CEO, Aehr Test Systems; Vice President, Memory Test, Verigy.

Every Form 4 they filed

In numbers

Trades disclosed
381
Buys
6
Sells
57
Bought
$244K
Sold
$56.8M
Companies
2
Companies where not an officer
0
First trade
12 Jun 2006
Last trade
12 Oct 2026
Last filed
13 Oct 2026

Companies traded

Where they are an officer
AEHR Aehr Test SystemsDirector, Officer · Life-science tools · last 12 Oct 20266 buys · 35 sells
VerigyOfficer · last 1 Mar 20110 buys · 22 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
12 Oct 2026filed 13 Oct 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$226K2,675 at $84.64filing
2 Oct 2026filed 5 Oct 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$347K3,239 at $107.21filing
1 Oct 2026filed 2 Oct 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$51K499 at $101.60filing
1 Oct 2026filed 2 Oct 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code J$7,0261,053 at $6.67filing
12 Aug 2026filed 13 Aug 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$205K1,548 at $132.27filing
12 Aug 2026filed 13 Aug 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$5.0M38,452 at $130.79filing
12 Aug 2026filed 13 Aug 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$205K1,548 at $132.27filing
12 Aug 2026filed 13 Aug 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$5.0M38,452 at $130.79filing
27 Jul 2026filed 27 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$82K1,057 at $77.48filing
27 Jul 2026filed 27 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$82K1,057 at $77.48filing
14 Jul 2026filed 15 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$248K3,447 at $72.01filing
14 Jul 2026filed 15 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$248K3,447 at $72.01filing
13 Jul 2026filed 13 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$320K4,404 at $72.60filing
13 Jul 2026filed 13 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$320K4,404 at $72.60filing
2 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$216K3,091 at $69.96filing
2 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$216K3,091 at $69.96filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code A—35,886 at $0.00filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code A—11,899 at $0.00filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$1.9M22,925 at $84.43filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code A—35,886 at $0.00filing

Sectors

Health Care41
Not placed22

Buys in green, sells in red, by the company’s sector.

Related people

Rhea J. PosedelDirector · Director at Aehr Test Systems, filing Form 4 there in the last year
Chris SiuCFO · CFO at Aehr Test Systems, filing Form 4 there in the last year
Alistair N. SporckVP Contactor Business Unit · VP Contactor Business Unit at Aehr Test Systems, filing Form 4 there in the last year
Adil EngineerChief Operating Officer · Chief Operating Officer at Aehr Test Systems, filing Form 4 there in the last year
Donald P. Richmond IICTO · CTO at Aehr Test Systems, filing Form 4 there in the last year
Vernon RogersExec VP of Sales & Mktg. · Also traded AEHR in the last 90 days
Howard T. SlayenDirector · Also traded AEHR in the last 90 days
Alberto SalamoneEVP, Ppbi Business · Also traded AEHR in the last 90 days