Aehr Test Systems (AEHR) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending January 16, 2026, the three most significant insider holders at Aehr Test Systems are President And Ceo Gayn Erickson (543.75K shares), Director Rhea J Posedel (542.14K shares), Director Howard T Slayen (218.33K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Gayn Erickson President And Ceo 543,747 14 Jan, 2026
Rhea J Posedel Director 542,140 24 Jul, 2025
Howard T Slayen Director 218,328 05 Nov, 2025
Donald P. Ii Richmond Cto 213,334 14 Jan, 2026
Vernon Rogers Exec Vp Of Sales & Mktg. 177,366 14 Jan, 2026
Geoffrey Gates Scott Director 123,114 03 Jul, 2025
Kenneth B. Spink Vp Of Finance And Cfo 109,866 19 Jul, 2023
David S Hendrickson Former Cto 84,783 19 Jul, 2023
Chris Siu Cfo 77,837 12 Jan, 2026
Alberto Salamone Evp And Ppbi Business 77,140 02 Jan, 2026
Adil Engineer Chief Operating Officer 45,839 12 Jan, 2026
Alistair N Sporck Vp Contactor Business Unit 33,906 12 Jan, 2026
Laura Oliphant Director 30,643 03 Jul, 2025
Avijit K. Ray-Chaudhuri Executive Vp Of R&D 28,318 29 Oct, 2024
Fariba Danesh Director 23,351 10 Oct, 2025
Didier Wimmers Executive Vp Of R&D 14,550 03 Dec, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
14 Jan, 2026 Gayn Erickson Common Stock D 2,680 $25.97 252,119 D F
14 Jan, 2026 Donald P. Ii Richmond Common Stock D 343 $25.97 213,334 D F
14 Jan, 2026 Vernon Rogers Common Stock D 464 $25.97 177,366 D F
11 Jan, 2026 Gayn Erickson Common Stock D 3,531 $26.32 254,799 D F
11 Jan, 2026 Chris Siu Common Stock D 799 $26.32 72,626 D F
11 Jan, 2026 Donald P. Ii Richmond Common Stock D 486 $26.32 213,677 D F
11 Jan, 2026 Donald P. Ii Richmond Common Stock D 576 $26.32 213,587 D F
11 Jan, 2026 Vernon Rogers Common Stock D 576 $26.32 177,830 D F
11 Jan, 2026 Adil Engineer Common Stock D 444 $26.32 45,839 D F
11 Jan, 2026 Alistair N Sporck Common Stock D 239 $26.32 28,692 D F
02 Jan, 2026 Gayn Erickson Common Stock D 2,765 $22.16 258,330 D F
02 Jan, 2026 Chris Siu Common Stock D 940 $22.16 73,425 D F
02 Jan, 2026 Donald P. Ii Richmond Common Stock D 355 $22.16 214,163 D F
02 Jan, 2026 Vernon Rogers Common Stock D 386 $22.16 178,406 D F
02 Jan, 2026 Adil Engineer Common Stock D 501 $22.16 46,283 D F
02 Jan, 2026 Alistair N Sporck Common Stock D 297 $22.16 28,931 D F
02 Jan, 2026 Alberto Salamone Common Stock D 636 $22.16 77,140 D F
03 Dec, 2025 Didier Wimmers Common Stock D 371 $24.76 14,550 D F
01 Dec, 2025 Chris Siu Common Stock D 349 $22.53 74,365 D F
05 Nov, 2025 Howard T Slayen - - 218,328 D