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 |
|---|---|---|---|---|---|---|---|---|---|
| Apr 21, 2026 (view filing) | Apr 21 | Same day | Rogers VernonExec VP of Sales & Mktg. | SSale | −6.49K | $94.09 | −$610.3K | −4.1%152.7K after | |
| Apr 21, 2026 (view filing) | Apr 21 | Same day | Posedel Rhea JDirector | SSale | −8.79K | $96.02 | −$843.7K | −12.3%62.4K after | |
| Apr 21, 2026 (view filing) | Apr 20 | 1 day | Rogers VernonExec VP of Sales & Mktg. | SSale | −5.00K | $90.00 | −$450.0K | −3.3%147.7K after | |
| Apr 21, 2026 (view filing) | Apr 21 | Same day | Scott Geoffrey GatesDirector | SSale | −60.0K | $94.33 | −$5.66M | −54.5%50.0K after | 2 lots |
| Apr 22, 2026 (view filing) | Apr 20-21 | 2 days | Salamone AlbertoEVP, PPBI BUSINESS | SSale | −30.0K | $92.07 | −$2.76M | −38.4%48.0K after | 2 lots |
| Apr 22, 2026 (view filing) | Apr 22 | Same day | Sporck Alistair NVP Contactor Business Unit | SSale | −2.00K | $93.50 | −$187.0K | −27.9%5.18K after | |
| Apr 22, 2026 (view filing) | Apr 22 | Same day | Posedel Rhea JDirector | SSale | −17.1K | $100.00 | −$1.71M | −27.4%45.3K after | |
| Apr 22, 2026 (view filing) | Apr 22 | Same day | Posedel Rhea JDirector | SSale | −604 | $95.00 | −$57.4K | −0.2%396.4K after | |
| May 15, 2026 (view filing) | May 14 | 1 day | Siu ChrisCFO | SSale | −470 | $108.00 | −$50.8K | −0.7%70.3K after | |
| May 15, 2026 (view filing) | May 14 | 1 day | Siu ChrisCFO | SSale | −1.60K | $106.78 | −$170.8K | −21.9%5.71K after | |
| May 15, 2026 (view filing) | May 13 | 2 days | Slayen Howard TDirector | SSale | −6.82K | $104.73 | −$714.2K | −3.9%169.7K after | |
| Jul 17, 2026 (view filing)2:23 PM ET | Jul 16 | 1 day | Scott Geoffrey GatesDirector | SSale | −20.0K | $82.13 | −$1.64M | −40.0%30.0K after | |
| Aug 4, 2026 (view filing)9:16 PM ET | Aug 4 | Same day | Slayen Howard TDirector | SSale | −20.0K | $108.30 | −$2.17M | −12.0%146.4K after | |
| Aug 6, 2026 (view filing)4:46 PM ET | Aug 4 | 2 days | Sporck Alistair NVP Contactor Business Unit | SSale | −2.00K | $100.96 | −$201.9K | −7.8%23.5K after | 2 lots |
| Aug 11, 2026 (view filing)2:18 PM ET | Aug 10 | 1 day | Sporck Alistair NVP Contactor Business Unit | SSale | −1.00K | $108.49 | −$108.5K | −4.2%22.5K after | |
| Aug 13, 2026 (view filing)5:09 PM ET | Aug 12 | 1 day | Oliphant LauraDirector | SSale | −1.72K | $133.00 | −$228.4K | −9.6%16.1K after | |
| Aug 13, 2026 (view filing)5:10 PM ET | Aug 12 | 1 day | Engineer AdilChief Operating Officer | SSale | −15.0K | $131.02 | −$1.97M | −24.2%47.0K after | 2 lots |
| Aug 13, 2026 (view filing)5:11 PM ET | Aug 12 | 1 day | Scott Geoffrey GatesDirector | SSale | −20.0K | $131.51 | −$2.63M | −66.7%10.0K after | |
| Aug 13, 2026 (view filing)5:28 PM ET | Aug 12 | 1 day | Posedel Rhea JDirector | SSale | −8.41K | $130.00 | −$1.09M | −2.1%388.0K after | |
| Aug 13, 2026 (view filing)6:12 PM ET | Aug 12 | 1 day | Erickson GaynPresident and CEO | SSale | −40.0K | $130.84 | −$5.23M | −20.2%157.7K after | 2 lots |
| Aug 14, 2026 (view filing)2:28 PM ET | Aug 13 | 1 day | Salamone AlbertoEVP, PPBI BUSINESS | SSale | −9.67K | $127.72 | −$1.24M | −18.7%42.0K after | 2 lots |
| Aug 14, 2026 (view filing)5:46 PM ET | Aug 14 | Same day | Posedel Rhea JDirector | SSale | −5.97K | $140.00 | −$836.2K | −1.5%382.0K after | |
| Aug 14, 2026 (view filing)5:52 PM ET | Aug 14 | Same day | Slayen Howard TDirector | SSale | −5.70K | $133.03 | −$758.3K | −3.9%140.7K after | |
| Aug 18, 2026 (view filing)1:56 PM ET | Aug 14-17 | 4 days | Rogers VernonExec VP of Sales & Mktg. | SSale | −5.99K | $141.34 | −$847.2K | −3.1%186.2K after | 3 lots |