Data spanning the past 90 days through February 07, 2026 reveals that Aehr Test Systems's three principal insider shareholders consist of President And Ceo Gayn Erickson (542.93K shares), Director Rhea J Posedel (542.14K shares), Cto Donald P. Ii Richmond (213.22K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Gayn Erickson | President And Ceo | 542,927 | 27 Jan, 2026 |
| Rhea J Posedel | Director | 542,140 | 24 Jul, 2025 |
| Donald P. Ii Richmond | Cto | 213,217 | 27 Jan, 2026 |
| Howard T Slayen | Director | 203,328 | 04 Feb, 2026 |
| Vernon Rogers | Exec Vp Of Sales & Mktg. | 177,206 | 27 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 | 76,906 | 02 Feb, 2026 |
| Adil Engineer | Chief Operating Officer | 45,676 | 27 Jan, 2026 |
| Alistair N Sporck | Vp Contactor Business Unit | 33,367 | 27 Jan, 2026 |
| Avijit K. Ray-Chaudhuri | Executive Vp Of R&D | 28,318 | 29 Oct, 2024 |
| Laura Oliphant | Director | 26,097 | 26 Jan, 2026 |
| 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 04 Feb, 2026 | Howard T Slayen | Common Stock | D | 5,000 | $0.00 | 203,328 | 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 | 213,328 | D | G |
| 01 Feb, 2026 | Alberto Salamone | Common Stock | D | 234 | $25.64 | 76,906 | 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 |
| 27 Jan, 2026 | Adil Engineer | Common Stock | D | 163 | $27.75 | 45,676 | D | F |
| 27 Jan, 2026 | Alistair N Sporck | Common Stock | D | 152 | $27.75 | 28,153 | D | F |
| 22 Jan, 2026 | Laura Oliphant | Common Stock | D | 180 | $31.45 | 18,672 | 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 | 100 | $31.46 | 18,572 | D | S |
| 22 Jan, 2026 | Laura Oliphant | Common Stock | D | 3,100 | $31.38 | 19,878 | D | S |
| 22 Jan, 2026 | Laura Oliphant | Common Stock | D | 140 | $31.48 | 18,432 | D | S |
| 19 Jan, 2026 | Alistair N Sporck | Common Stock | D | 387 | $28.81 | 28,305 | D | F |
| 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 |