Aehr Test Systems
AEHR- Exchange
- Nasdaq
- Industry
- Instruments For Meas & Testing of Electricity & Elec Signals
- SEC CIK
- 0001040470
In the last 90 days, Aehr Test Systems insiders filed 0 open-market purchases and 13 sales; 262 institutions reported holding it in 13F filings for Q2 2026, worth $2.23B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Aehr Test Systems insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 13 filings
- 9 insiders, $18.9M in total
- Insiders trading
- 9
- Net value
- −$18.9M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Aehr Test Systems, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Wimmers Didier | Executive VP of R&D | 12,379 | Sep 3, 2026 | 8 |
| Siu Chris | CFO | 77,328 | Sep 1, 2026 | 15 |
| Rogers Vernon | Exec VP of Sales & Mktg. | 186,232 | Aug 18, 2026 | 22 |
| Engineer Adil | Chief Operating Officer | 46,477 | Aug 14, 2026 | 17 |
| Slayen Howard T | Director | 140,667 | Aug 14, 2026 | 9 |
| Posedel Rhea J | Director | 381,989Indirect | Aug 14, 2026 | 10 |
| Salamone Alberto | EVP, PPBI BUSINESS | 41,962 | Aug 14, 2026 | 12 |
| Erickson Gayn | President and CEO | 157,723Indirect | Aug 13, 2026 | 18 |
| Scott Geoffrey Gates | Director | 10,000Indirect | Aug 13, 2026 | 8 |
| Oliphant Laura | Director | 16,100 | Aug 13, 2026 | 8 |
| Sporck Alistair N | VP Contactor Business Unit | 22,547 | Aug 11, 2026 | 23 |
| Richmond Donald P. II | CTO | 186,567 | Jul 27, 2026 | 18 |
| Danesh Fariba | Director | 14,801 | Jul 2, 2026 | 4 |
| Ray-Chaudhuri Avijit K. | Executive VP of R&D | 28,318 | Oct 29, 2024 | 0 |
| Hendrickson David S | Former CTO | 84,783 | Jul 19, 2023 | 0 |
| Spink Kenneth B. | VP of Finance and CFO | 0 | Jul 19, 2023 | 0 |
| Rosati Mario M | Director | 0Indirect | Jun 12, 2023 | 0 |
| Brannan Michael A. | Other: FORMER VP OF OPERATIONS | 0 | Jan 27, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 13, 2021 (view filing) | Oct 11 | 2 days | Brannan Michael A.V.P. of Operations | SSale | −17.0K | $18.80 | −$319.6K | −59.0%11.8K after | |
| Oct 12, 2021 (view filing) | Oct 8-11 | 4 days | Posedel Rhea JDirector | SSale | −25.0K | $19.93 | −$498.2K | −3.6%674.6K after | 2 lots |
| Oct 12, 2021 (view filing) | Oct 8 | 4 days | Richmond Donald P. IIVP of Engineering | SSale | −13.9K | $18.87 | −$262.6K | −10.5%118.8K after | |
| Oct 8, 2021 (view filing) | Oct 7 | 1 day | Scott Geoffrey GatesDirector | SSale | −100.0K | $15.67 | −$1.57M | −30.1%232.6K after | |
| Oct 8, 2021 (view filing) | Oct 7 | 1 day | Scott Geoffrey GatesDirector | SSale | −10.0K | $15.98 | −$159.8K | −4.0%240.0K after | |
| Oct 8, 2021 (view filing) | Oct 7 | 1 day | Posedel Rhea JDirector | SSale | −20.0K | $15.00 | −$300.0K | −2.8%699.6K after | |
| Oct 8, 2021 (view filing) | Oct 6 | 2 days | Richmond Donald P. IIVP of Engineering | SSale | −4.55K | $14.25 | −$64.8K | −3.3%132.7K after | 2 lots |
| Oct 8, 2021 (view filing) | Oct 6-7 | 2 days | Slayen Howard TDirector | SSale | −15.5K | $14.59 | −$225.9K | −6.1%239.1K after | 4 lots |
| Sep 30, 2021 (view filing) | Sep 28 | 2 days | Spink Kenneth B.VP of Finance and CFO | SSale | −133.9K | $14.13 | −$1.89M | −60.9%86.0K after | |
| Sep 30, 2021 (view filing) | Sep 28 | 2 days | Rosati Mario MDirector | SSale | −3.80K | $14.09 | −$53.5K | −50.7%3.70K after | |
| Sep 30, 2021 (view filing) | Sep 28 | 2 days | Rogers VernonExec. VP Sales and Marketing | SSale | −52.0K | $14.09 | −$733.1K | −52.5%47.0K after | |
| Sep 30, 2021 (view filing) | Sep 28 | 2 days | Brannan Michael A.V.P. of Operations | SSale | −9.07K | $14.24 | −$129.2K | −43.4%11.8K after | |
| Sep 30, 2021 (view filing) | Sep 28 | 2 days | Hendrickson David SCTO | SSale | −56.3K | $14.09 | −$792.6K | −55.7%44.7K after | |
| Sep 30, 2021 (view filing) | Sep 28 | 2 days | Erickson GaynPresident and CEO | SSale | −206.6K | $14.19 | −$2.93M | −27.5%544.8K after | |
| Sep 30, 2021 (view filing) | Sep 28 | 2 days | Posedel Rhea JDirector | SSale | −150.0K | $14.08 | −$2.11M | −17.3%719.6K after | |
| Aug 18, 2021 (view filing) | Aug 17 | 1 day | Oliphant LauraDirector | SSale | −25.0K | $5.30 | −$132.5K | −100.0%0 after | |
| Aug 16, 2021 (view filing) | Aug 12 | 4 days | Erickson GaynPresident and CEO | SSale | −17.0K | $5.78 | −$98.3K | −2.4%689.1K after | |
| Aug 10, 2021 (view filing) | Aug 9 | 1 day | Scott Geoffrey GatesDirector | SSale | −20.0K | $6.20 | −$124.0K | −5.7%332.6K after | |
| Aug 2, 2021 (view filing) | Jul 30 | 3 days | Brannan Michael A.V.P. of Operations | SSale | −2.50K | $5.66 | −$14.2K | −10.7%20.9K after | |
| Jul 26, 2021 (view filing) | Jul 22 | 4 days | Spink Kenneth B.VP of Finance and CFO | SSale | −6.50K | $8.08 | −$52.5K | −5.4%114.1K after | |
| Jul 23, 2021 (view filing) | Jul 21 | 2 days | Oliphant LauraDirector | SSale | −18.5K | $5.75 | −$106.1K | −37.8%30.4K after | |
| Jul 23, 2021 (view filing) | Jul 21 | 2 days | Posedel Rhea JDirector | SSale | −100.0K | $5.92 | −$592.0K | −10.6%847.1K after | |
| Jul 23, 2021 (view filing) | Jul 21 | 2 days | Scott Geoffrey GatesDirector | SSale | −3.00K | $6.13 | −$18.4K | −0.8%352.6K after | |
| Jul 23, 2021 (view filing) | Jul 21 | 2 days | Scott Geoffrey GatesDirector | SSale | −20.0K | $7.16 | −$143.2K | −7.4%250.0K after |