Aehr Test Systems (AEHR) Insider Ownership

Historic Insider Ownership Trends

AEHR's three largest insider shareholders as of June 06, 2026 are Rhea J Posedel (Director, 869.55K shares), Rhea J Posedel (Director, 478.67K shares), Rhea J Posedel (Director, 456.98K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Rhea J Posedel - 0 869,555 12 Aug, 2021
Howard T Slayen Director 203,328 0 04 Feb, 2026
Fariba Danesh Director 13,143 0 17 Apr, 2026
David S Hendrickson Former Cto 84,783 0 19 Jul, 2023
Gayn Erickson President And Ceo 0 438,919 27 Oct, 2023
Chris Siu Cfo 71,437 7,306 02 Apr, 2026
Kenneth B. Spink Vp Of Finance And Cfo 0 179,199 18 Jul, 2022
Donald P. Ii Richmond Cto 214,996 0 02 Apr, 2026
Vernon Rogers Exec Vp Of Sales Mktg. 167,540 0 10 Apr, 2026
Laura Oliphant - 0 17,125 27 Oct, 2023
Geoffrey Gates Scott - 0 140,000 16 Nov, 2021
Adil Engineer Chief Operating Officer 47,672 0 02 Apr, 2026
Alistair N Sporck Vp Contactor Business Unit 20,635 0 17 Apr, 2026
Avijit K. Ray-Chaudhuri Executive Vp Of Rd 28,318 0 29 Oct, 2024
Alberto Salamone Evp, Ppbi Business 48,025 0 22 Apr, 2026
Didier Wimmers Executive Vp Of Rd 10,659 0 15 Apr, 2026

* 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
22 Apr, 2026 Alistair N Sporck Common Stock D 2,000 $93.50 5,177 I S
20 Apr, 2026 Alberto Salamone Common Stock D 15,000 $89.57 63,025 D S
22 Apr, 2026 Rhea J Posedel Common Stock D 17,115 $100.00 45,261 D S
22 Apr, 2026 Howard T Slayen Common Stock D 1,800 $0.00 176,528 D G
20 Apr, 2026 Alberto Salamone Common Stock D 15,000 $89.57 63,025 D S
21 Apr, 2026 Alberto Salamone Common Stock D 15,000 $94.56 48,025 D S
21 Apr, 2026 Alberto Salamone Common Stock D 15,000 $94.56 48,025 D S
22 Apr, 2026 Rhea J Posedel Common Stock D 604 $95.00 396,375 I S
21 Apr, 2026 Vernon Rogers Common Stock D 6,486 $94.09 152,716 D S
20 Apr, 2026 Vernon Rogers Common Stock D 5,000 $90.00 147,716 D S
21 Apr, 2026 Rhea J Posedel Common Stock D 8,787 $96.02 62,376 D S
21 Apr, 2026 Geoffrey Gates Scott Common Stock D 10,000 $91.00 50,686 I S
21 Apr, 2026 Geoffrey Gates Scott Common Stock D 50,000 $95.00 50,000 I S
20 Apr, 2026 Rhea J Posedel Common Stock D 7,500 $88.09 396,979 I S
18 Apr, 2026 Alistair N Sporck Common Stock D 341 $83.86 20,294 D F
20 Apr, 2026 Vernon Rogers Common Stock D 2,431 $90.00 159,202 D S
17 Apr, 2026 Howard T Slayen Common Stock D 25,000 $85.00 178,328 D S
17 Apr, 2026 Rhea J Posedel Common Stock D 7,500 $82.00 404,479 I S
16 Apr, 2026 Vernon Rogers Common Stock D 5,000 $86.88 161,633 D S
16 Apr, 2026 Alistair N Sporck Common Stock D 2,000 $81.88 20,635 D S