Aehr Test Systems engages in the design, manufacture, market, and sale of test and burn-in equipment used in the semiconductor industry. Its products include FOX-XP, FOX-NP, and FOX-CP wafer contact parallel test and burn-in systems, the WaferPak full wafer contactor, the DiePak Carrier, the WaferPak Aligner, the DiePak Autoloader, and test fixtures. The company was founded by Rhea J. Posedel on May 25, 1977 and is headquartered in Fremont, CA. |  |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| ROGERS VERNON | Exec VP of Sales & Mktg. | Apr 10 '26 | Sale | 70.00 | 10,888 | 762,160 | 167,540 | Apr 10 09:23 PM | | ENGINEER ADIL | Chief Operating Officer | Apr 09 '26 | Option Exercise | 9.45 | 10,582 | 100,000 | 58,254 | Apr 10 09:17 PM | | ENGINEER ADIL | Chief Operating Officer | Apr 09 '26 | Sale | 68.18 | 13,085 | 892,182 | 45,169 | Apr 10 09:17 PM | | RICHMOND DONALD P. II | CTO | Apr 09 '26 | Sale | 68.68 | 15,751 | 1,081,856 | 199,245 | Apr 10 09:09 PM | | OLIPHANT LAURA | Director | Apr 09 '26 | Sale | 68.36 | 3,000 | 205,072 | 4,665 | Apr 10 09:05 PM | | POSEDEL RHEA J | Director | Apr 09 '26 | Sale | 70.00 | 30,000 | 2,100,000 | 426,979 | Apr 10 09:00 PM | | SCOTT GEOFFREY GATES | Director | Apr 09 '26 | Sale | 67.81 | 35,000 | 2,373,250 | 105,000 | Apr 10 08:50 PM | | ROGERS VERNON | Officer | Apr 10 '26 | Proposed Sale | 70.00 | 10,888 | 762,160 | | Apr 10 03:18 PM | | SPORCK ALISTAIR N | Officer | Apr 10 '26 | Proposed Sale | 67.36 | 2,000 | 134,730 | | Apr 10 01:44 PM | | Erickson Gayn | Officer | Apr 10 '26 | Proposed Sale | 70.58 | 56,788 | 4,008,277 | | Apr 10 11:36 AM | | Erickson Gayn | Officer | Apr 10 '26 | Proposed Sale | 70.58 | 96,036 | 6,778,524 | | Apr 10 11:33 AM | | DANESH FARIBA | Director | Apr 10 '26 | Proposed Sale | 70.05 | 3,500 | 245,158 | | Apr 10 11:27 AM | | POSEDEL RHEA J | Director | Apr 09 '26 | Proposed Sale | 70.00 | 30,000 | 2,100,000 | | Apr 09 03:46 PM | | RICHMOND DONALD P. II | Officer | Apr 09 '26 | Proposed Sale | 66.07 | 32,762 | 2,164,585 | | Apr 09 02:50 PM | | ENGINEER ADIL | Officer | Apr 09 '26 | Proposed Sale | 66.47 | 3,728 | 247,800 | | Apr 09 01:17 PM | | ENGINEER ADIL | Officer | Apr 09 '26 | Proposed Sale | 68.18 | 13,085 | 892,185 | | Apr 09 12:06 PM | | Caroline J Scott TTEE | Family of Director | Apr 09 '26 | Proposed Sale | 67.97 | 40,000 | 2,718,978 | | Apr 09 11:06 AM | | OLIPHANT LAURA | Director | Apr 09 '26 | Proposed Sale | 63.16 | 7,665 | 484,121 | | Apr 09 09:53 AM | | POSEDEL RHEA J | Officer | Feb 13 '26 | Proposed Sale | 27.89 | 13,998 | 390,404 | | Feb 13 05:25 PM | | POSEDEL RHEA J | Director | Feb 13 '26 | Sale | 30.02 | 13,998 | 420,151 | 456,979 | Feb 13 04:48 PM | | SPORCK ALISTAIR N | VP Contactor Business Unit | Feb 09 '26 | Sale | 27.57 | 3,000 | 82,716 | 25,153 | Feb 10 04:17 PM | | SPORCK ALISTAIR N | Officer | Feb 09 '26 | Proposed Sale | 27.57 | 3,000 | 82,715 | | Feb 09 04:52 PM | | OLIPHANT LAURA | Director | Jan 29 '26 | Proposed Sale | 26.72 | 503 | 13,440 | | Jan 29 02:20 PM | | OLIPHANT LAURA | Director | Jan 22 '26 | Sale | 31.40 | 4,546 | 142,750 | 18,432 | Jan 26 02:19 PM | | OLIPHANT LAURA | Director | Jan 22 '26 | Proposed Sale | 31.40 | 4,546 | 142,751 | | Jan 22 02:40 PM | | SLAYEN HOWARD T | Director | Nov 05 '25 | Sale | 25.73 | 6,000 | 154,357 | 218,328 | Nov 05 06:43 PM | | SLAYEN HOWARD T | Director | Nov 05 '25 | Proposed Sale | 25.14 | 6,000 | 150,840 | | Nov 05 11:15 AM | | ROGERS VERNON | Exec VP of Sales & Mktg. | Oct 22 '25 | Option Exercise | 2.03 | 110,468 | 224,250 | 178,989 | Oct 22 08:31 PM | | DANESH FARIBA | Director | Oct 09 '25 | Sale | 24.79 | 9,000 | 223,101 | 16,643 | Oct 10 04:21 PM | | DANESH FARIBA | Director | Oct 09 '25 | Proposed Sale | 24.76 | 6,335 | 156,824 | | Oct 09 04:14 PM | | DANESH FARIBA | Director | Oct 09 '25 | Proposed Sale | 24.87 | 2,665 | 66,278 | | Oct 09 02:52 PM | | SLAYEN HOWARD T | Director | Aug 15 '25 | Proposed Sale | 20.16 | 10,000 | 201,600 | | Aug 15 08:34 AM | | OLIPHANT LAURA | Director | Jul 25 '25 | Sale | 21.50 | 5,000 | 107,502 | 7,665 | Jul 25 05:52 PM | | OLIPHANT LAURA | Director | Jul 25 '25 | Proposed Sale | 21.32 | 5,000 | 106,600 | | Jul 25 09:36 AM | | POSEDEL RHEA J | Director | Jul 22 '25 | Option Exercise | 2.40 | 18,000 | 43,200 | 89,163 | Jul 24 07:03 PM | | POSEDEL RHEA J | Director | Jul 22 '25 | Sale | 19.83 | 18,000 | 356,972 | 71,163 | Jul 24 07:03 PM | | POSEDEL RHEA J | Director | Jul 22 '25 | Proposed Sale | 19.83 | 18,000 | 356,972 | | Jul 22 02:28 PM | | SPORCK ALISTAIR N | VP Contactor Business Unit | Jul 15 '25 | Sale | 14.13 | 3,000 | 42,390 | 30,808 | Jul 18 09:05 PM | | SPORCK ALISTAIR N | Officer | Jul 15 '25 | Proposed Sale | 14.13 | 3,000 | 42,390 | | Jul 15 02:51 PM | | SALAMONE ALBERTO | Officer | May 12 '25 | Proposed Sale | 9.08 | 4,995 | 45,336 | | May 12 05:17 PM | | SALAMONE ALBERTO | EVP, PPBI BUSINESS | May 12 '25 | Sale | 9.08 | 4,995 | 45,336 | 56,241 | May 12 05:00 PM |
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