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Who

Donald P. Richmond II

CTO

Company insider

Files Form 4 as: CTO, Aehr Test Systems.

In numbers

Trades disclosed
146
Buys
0
Sells
11
Bought
$0
Sold
$8.5M
Companies
1
Companies where not an officer
0
First trade
2 Apr 2018
Last trade
12 Oct 2026
Last filed
13 Oct 2026

Companies traded

Where they are an officer
AEHR Aehr Test SystemsOfficer · Life-science tools · last 12 Oct 20260 buys · 11 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 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$33K388 at $84.64filing
2 Oct 2026filed 5 Oct 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$47K439 at $107.21filing
1 Oct 2026filed 2 Oct 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code J$7,1001,064 at $6.67filing
1 Oct 2026filed 2 Oct 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$7,72276 at $101.60filing
27 Jul 2026filed 27 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$7,903102 at $77.48filing
27 Jul 2026filed 27 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$7,903102 at $77.48filing
14 Jul 2026filed 14 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$24K328 at $72.01filing
14 Jul 2026filed 14 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$24K328 at $72.01filing
13 Jul 2026filed 13 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$31K423 at $72.60filing
13 Jul 2026filed 13 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$31K423 at $72.60filing
2 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$22K311 at $69.96filing
2 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$22K311 at $69.96filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code A—6,165 at $0.00filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code A—2,369 at $0.00filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$187K2,213 at $84.43filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code A—6,165 at $0.00filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code A—2,369 at $0.00filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$187K2,213 at $84.43filing
27 Apr 2026filed 27 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$9,025102 at $88.48filing
27 Apr 2026filed 27 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$9,025102 at $88.48filing

Sectors

Health Care11

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
Gayn EricksonPresident and CEO · President and CEO 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
Chris SiuCFO · CFO 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