rotation.to
Following this device: dark.
Free account
rotation.to
Sign in / Request free access
Appearance
Following this device: dark.
Drag a card by its title · ⚙ to size, swap or remove

Who

Didier Wimmers

Executive VP of R&D

Company insider

Files Form 4 as: Executive VP of R&D, Aehr Test Systems.

Every Form 4 they filed

In numbers

Trades disclosed
19
Buys
0
Sells
2
Bought
$0
Sold
$771K
Companies
1
Companies where not an officer
0
First trade
3 Sep 2025
Last trade
1 Oct 2026
Last filed
2 Oct 2026

Companies traded

Where they are an officer
AEHR Aehr Test SystemsOfficer · Life-science tools · last 1 Oct 20260 buys · 2 sells

Activity over time

1 Apr – 1 Oct
20Apr 26Jun 26Jul 26Sep 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
1 Oct 2026filed 2 Oct 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code J$8,7481,311 at $6.67filing
1 Oct 2026filed 2 Oct 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$5,48654 at $101.60filing
3 Sep 2026filed 3 Sep 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$24K317 at $76.27filing
3 Sep 2026filed 3 Sep 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$24K317 at $76.27filing
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 A—2,369 at $0.00filing
3 Jun 2026filed 4 Jun 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$38K332 at $114.59filing
3 Jun 2026filed 4 Jun 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$38K332 at $114.59filing
15 Apr 2026filed 15 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$137K1,900 at $72.02filing
15 Apr 2026filed 15 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$137K1,900 at $72.02filing
13 Apr 2026filed 15 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$249K3,500 at $71.11filing
13 Apr 2026filed 15 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$249K3,500 at $71.11filing
1 Apr 2026filed 3 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code J$12K1,873 at $6.67filing
1 Apr 2026filed 3 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code J$12K1,873 at $6.67filing
3 Mar 2026filed 4 Mar 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$15K364 at $41.64filing
3 Mar 2026filed 4 Mar 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$15K364 at $41.64filing
3 Dec 2025filed 3 Dec 2025AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$9,186371 at $24.76filing
1 Oct 2025filed 1 Oct 2025AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code J$11K1,628 at $6.67filing
3 Sep 2025filed 3 Sep 2025AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code F$7,552308 at $24.52filing

Sectors

Health Care2

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
Vernon RogersExec VP of Sales & Mktg. · Exec VP of Sales & Mktg. 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
Chris SiuCFO · CFO 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
Howard T. SlayenDirector · Also traded AEHR in the last 90 days
Alberto SalamoneEVP, Ppbi Business · Also traded AEHR in the last 90 days
Adil EngineerChief Operating Officer · Also traded AEHR in the last 90 days