Aehr Test Systems's three largest insider shareholders as of March 23, 2026 are Rhea J Posedel (Director, 456.98K shares), Gayn Erickson (President And Ceo, 291.63K shares), Gayn Erickson (President And Ceo, 251.30K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Rhea J Posedel | Director | 0 | 456,979 | 13 Feb, 2026 |
| Gayn Erickson | President And Ceo | 0 | 291,628 | 01 Oct, 2025 |
| Gayn Erickson | President And Ceo | 251,299 | 0 | 27 Jan, 2026 |
| Donald P. Ii Richmond | Cto | 213,217 | 0 | 27 Jan, 2026 |
| Howard T Slayen | Director | 203,328 | 0 | 04 Feb, 2026 |
| Vernon Rogers | Exec Vp Of Sales Mktg. | 177,206 | 0 | 27 Jan, 2026 |
| Kenneth B. Spink | Vp Of Finance And Cfo | 0 | 109,866 | 17 Jul, 2023 |
| David S Hendrickson | Former Cto | 84,783 | 0 | 19 Jul, 2023 |
| Alberto Salamone | Evp, Ppbi Business | 76,906 | 0 | 02 Feb, 2026 |
| Chris Siu | Cfo | 72,258 | 0 | 02 Mar, 2026 |
| Rhea J Posedel | Director | 71,163 | 0 | 24 Jul, 2025 |
| Geoffrey Gates Scott | 0 | 65,146 | 27 Oct, 2023 | |
| Geoffrey Gates Scott | Director | 52,864 | 0 | 10 Mar, 2026 |
| Adil Engineer | Chief Operating Officer | 45,676 | 0 | 27 Jan, 2026 |
| Avijit K. Ray-Chaudhuri | Executive Vp Of Rd | 28,318 | 0 | 29 Oct, 2024 |
| Alistair N Sporck | Vp Contactor Business Unit | 25,153 | 0 | 10 Feb, 2026 |
| Laura Oliphant | Director | 18,432 | 0 | 26 Jan, 2026 |
| Fariba Danesh | Director | 16,643 | 0 | 10 Oct, 2025 |
| Didier Wimmers | Executive Vp Of Rd | 14,186 | 0 | 04 Mar, 2026 |
| Laura Oliphant | Director | 0 | 7,665 | 25 Jul, 2025 |
| Fariba Danesh | 0 | 6,708 | 20 Oct, 2021 | |
| Alistair N Sporck | Vp Contactor Business Unit | 0 | 5,214 | 01 Oct, 2025 |
| Chris Siu | Cfo | 0 | 5,211 | 01 Oct, 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 10 Mar, 2026 | Geoffrey Gates Scott | Common Stock | D | 5,104 | $0.00 | 52,864 | D | G |
| 03 Mar, 2026 | Didier Wimmers | Common Stock | D | 364 | $41.64 | 14,186 | D | F |
| 01 Mar, 2026 | Chris Siu | Common Stock | D | 368 | $37.43 | 72,258 | D | F |
| 13 Feb, 2026 | Rhea J Posedel | Common Stock | D | 13,998 | $30.02 | 456,979 | I | S |
| 09 Feb, 2026 | Alistair N Sporck | Common Stock | D | 2,700 | $27.57 | 25,453 | D | S |
| 09 Feb, 2026 | Alistair N Sporck | Common Stock | D | 300 | $27.59 | 25,153 | D | S |
| 04 Feb, 2026 | Howard T Slayen | Common Stock | D | 5,000 | $0.00 | 213,328 | D | G |
| 04 Feb, 2026 | Howard T Slayen | Common Stock | D | 5,000 | $0.00 | 208,328 | D | G |
| 04 Feb, 2026 | Howard T Slayen | Common Stock | D | 5,000 | $0.00 | 203,328 | D | G |
| 01 Feb, 2026 | Alberto Salamone | Common Stock | D | 234 | $25.64 | 76,906 | D | F |
| 27 Jan, 2026 | Alistair N Sporck | Common Stock | D | 152 | $27.75 | 28,153 | D | F |
| 27 Jan, 2026 | Adil Engineer | Common Stock | D | 163 | $27.75 | 45,676 | D | F |
| 27 Jan, 2026 | Gayn Erickson | Common Stock | D | 820 | $27.75 | 251,299 | D | F |
| 27 Jan, 2026 | Donald P. Ii Richmond | Common Stock | D | 117 | $27.75 | 213,217 | D | F |
| 27 Jan, 2026 | Vernon Rogers | Common Stock | D | 160 | $27.75 | 177,206 | D | F |
| 22 Jan, 2026 | Laura Oliphant | Common Stock | D | 3,100 | $31.38 | 19,878 | D | S |
| 22 Jan, 2026 | Laura Oliphant | Common Stock | D | 1,026 | $31.44 | 18,852 | D | S |
| 22 Jan, 2026 | Laura Oliphant | Common Stock | D | 180 | $31.45 | 18,672 | D | S |
| 22 Jan, 2026 | Laura Oliphant | Common Stock | D | 100 | $31.46 | 18,572 | D | S |
| 22 Jan, 2026 | Laura Oliphant | Common Stock | D | 140 | $31.49 | 18,432 | D | S |