| $255M | ||
| $48M | ||
| $38M | ||
| $37M | ||
| $34M | ||
| $34M |
Buys | $0 | 0 | 0 |
Sells | $62,907,785 | 55 | 100 |
| Siu Chris | CFO | 0 | $0 | 1 | $221,608 | $-221,608 |
| WIMMERS DIDIER | Executive VP of R&D | 0 | $0 | 2 | $385,731 | $-385,731 |
| SPORCK ALISTAIR N | VP Contactor Business Unit | 0 | $0 | 6 | $878,603 | $-878,603 |
| DANESH FARIBA | Director | 0 | $0 | 3 | $1.41M | $-1.41M |
| OLIPHANT LAURA | Director | 0 | $0 | 6 | $1.65M | $-1.65M |
| RICHMOND DONALD P. II | CTO | 0 | $0 | 2 | $2.33M | $-2.33M |
| ROGERS VERNON | Exec VP of Sales & Mktg. | 0 | $0 | 8 | $3.99M | $-3.99M |
| SALAMONE ALBERTO | EVP, PPBI BUSINESS | 0 | $0 | 3 | $4M | $-4M |
| ENGINEER ADIL | Chief Operating Officer | 0 | $0 | 4 | $4.24M | $-4.24M |
| SLAYEN HOWARD T | Director | 0 | $0 | 5 | $5.92M | $-5.92M |
| POSEDEL RHEA J | Director | 0 | $0 | 9 | $9.55M | $-9.55M |
| SCOTT GEOFFREY GATES | director | 0 | $0 | 4 | $12.31M | $-12.31M |
| Erickson Gayn | President and CEO | 0 | $0 | 2 | $16.02M | $-16.02M |
Aehr Test Systems, founded in 1977 and based in Fremont, California, specializes in the global provision of advanced burn-in and test systems for integrated circuits, encompassing logic, optical, and memory devices. Its extensive product lineup includes the ABTS and FOX-P families of test and burn-in solutions, complemented by specialized components such as the FOX WaferPak Aligner, FOX-XP WaferPak Contactor, FOX DiePak Carrier, and FOX DiePak Loader. The ABTS system is specifically designed for both production and qualification assessments of …
Over the last 12 months, insiders at Aehr Test Systems have bought $0 and sold $62.91M worth of Aehr Test Systems stock.
On average, over the past 5 years, insiders at Aehr Test Systems have bought $244,794 and sold $25.53M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 20,000 shares for transaction amount of $310,000 was made by SLAYEN HOWARD T (Director) on 2024‑08‑02.
| 2026-08-17 | Sale | ROGERS VERNON | Exec VP of Sales & Mktg. | 3,994 0.0129% | $143.77 | $574,217 | -40.11% | |
| 2026-08-14 | Sale | POSEDEL RHEA J | Director | 5,973 0.0191% | $140.00 | $836,220 | -34.14% | |
| 2026-08-14 | Sale | ROGERS VERNON | Exec VP of Sales & Mktg. | 2,000 0.0066% | $136.50 | $273,000 | -34.14% | |
| 2026-08-14 | Sale | SLAYEN HOWARD T | Director | 5,700 0.0173% | $133.03 | $758,264 | -34.14% | |
| 2026-08-13 | Sale | SALAMONE ALBERTO | EVP, PPBI BUSINESS | 9,672 0.0307% | $127.72 | $1.24M | -27.52% | |
| 2026-08-12 | Sale | POSEDEL RHEA J | Director | 8,413 0.0259% | $130.00 | $1.09M | -30.42% | |
| 2026-08-12 | Sale | Erickson Gayn | President and CEO | 40,000 0.1242% | $130.84 | $5.23M | -30.42% | |
| 2026-08-12 | Sale | ENGINEER ADIL | Chief Operating Officer | 15,000 0.0466% | $131.03 | $1.97M | -30.42% | |
| 2026-08-12 | Sale | OLIPHANT LAURA | Director | 1,717 0.0054% | $133.00 | $228,361 | -30.42% | |
| 2026-08-12 | Sale | SCOTT GEOFFREY GATES | Director | 20,000 0.0624% | $131.51 | $2.63M | -30.42% | |
| 2026-08-10 | Sale | SPORCK ALISTAIR N | VP Contactor Business Unit | 1,000 0.0033% | $108.49 | $108,490 | -14.78% | |
| 2026-08-04 | Sale | SLAYEN HOWARD T | Director | 20,000 0.0604% | $108.30 | $2.17M | -17.23% | |
| 2026-08-04 | Sale | SPORCK ALISTAIR N | VP Contactor Business Unit | 2,000 0.0056% | $100.96 | $201,917 | -17.23% | |
| 2026-07-16 | Sale | SCOTT GEOFFREY GATES | Director | 20,000 0.062% | $82.13 | $1.64M | +7.43% | |
| 2026-05-14 | Sale | Siu Chris | CFO | 2,070 0.0066% | $107.06 | $221,608 | -13.35% | |
| 2026-05-13 | Sale | SLAYEN HOWARD T | director | 6,819 0.022% | $104.73 | $714,154 | -10.67% | |
| 2026-04-22 | Sale | POSEDEL RHEA J | Director | 17,719 0.06% | $99.83 | $1.77M | -5.17% | |
| 2026-04-22 | Sale | SPORCK ALISTAIR N | VP Contactor Business Unit | 2,000 0.0063% | $93.50 | $186,990 | -5.17% | |
| 2026-04-21 | Sale | ROGERS VERNON | Exec VP of Sales & Mktg. | 6,486 0.0215% | $94.09 | $610,270 | -1.09% | |
| 2026-04-21 | Sale | POSEDEL RHEA J | Director | 8,787 0.0298% | $96.02 | $843,757 | -1.09% |
| POSEDEL RHEA J | Director | 381989 1.1696% | $24.87M | 13 | 59 | +35.7% |
| Erickson Gayn | President and CEO | 157723 0.4829% | $10.27M | 6 | 35 | +64.81% |
| SLAYEN HOWARD T | Director | 140667 0.4307% | $9.16M | 7 | 19 | +14.72% |
| PATEL MUKESH | director | 455676 1.3952% | $29.67M | 2 | 53 | +64.81% |
| ANDERSON ROBERT R | director | 429009 1.3136% | $27.93M | 22 | 3 | <0.0001% |
| LARSON GARY L | VP OF FINANCE & CFO | 142763 0.4371% | $9.3M | 2 | 25 | +64.81% |
| HENDRICKSON DAVID S | Former CTO | 84783 0.2596% | $5.52M | 1 | 48 | +134.18% |
| Ray-Chaudhuri Avijit K. | Executive VP of R&D | 28100 0.086% | $1.83M | 3 | 0 | <0.0001% |
| ELDER WILLIAM W R | director | 15759 0.0483% | $1.03M | 10 | 27 | <0.0001% |
| ANDERSON LARRY | V.P. OF WORLDWIDE SALES | 10000 0.0306% | $651,100.00 | 1 | 0 | +134.18% |
| ALLISON MARK D. | VP OF WORLDWIDE SALES | 6382 0.0195% | $415,532.02 | 1 | 0 | <0.0001% |
| Schneider John M. | director | 2945 0.009% | $191,748.95 | 2 | 12 | <0.0001% |
| FUCCI DAVID | 1488 0.0046% | $96,883.68 | 1 | 11 | <0.0001% | |
| BUCK CARL N | 0 0% | $0 | 2 | 66 | +64.81% |
$51,368,869 | 76 | 0.70% | $320.07B | |
$41,019,040 | 35 | 51.90% | $4,981.23B | |
$13,184,403 | 24 | 12.48% | $203.42B | |
$14,781,792 | 22 | 15.65% | $789.95B | |
$219,947,632 | 18 | 12.49% | $1,585.47B |
| Increased Positions | 86 | +52.76% | 3M | +14.51% |
| Decreased Positions | 71 | -43.56% | 2M | -10.43% |
| New Positions | 29 | New | 745,474 | New |
| Sold Out Positions | 28 | Sold Out | 570,358 | Sold Out |
| Total Postitions | 178 | +9.2% | 21M | +4.08% |
| Fmr Llc | $59,860.00 | 9% | 2.7M | +1M | +80.67% | 2025-09-30 |
| Vanguard Group Inc | $50,706.00 | 7.63% | 2.29M | +65,444 | +2.94% | 2025-09-30 |
| Blackrock, Inc. | $44,372.00 | 6.67% | 2M | -49,839 | -2.43% | 2025-09-30 |
| Awm Investment Company, Inc. | $34,720.00 | 5.22% | 1.57M | -7,053 | -0.45% | 2025-09-30 |
| Baillie Gifford & Co | $33,920.00 | 5.1% | 1.53M | -458,737 | -23.06% | 2025-09-30 |
| William Blair Investment Management, Llc | $19,812.00 | 2.98% | 894,061 | +894,061 | New | 2025-09-30 |
| Geode Capital Management, Llc | $15,071.00 | 2.27% | 680,103 | +1,557 | +0.23% | 2025-09-30 |
| State Street Corp | $13,343.00 | 2.01% | 602,103 | -9,879 | -1.61% | 2025-09-30 |
| Halter Ferguson Financial Inc. | $10,039.00 | 1.51% | 453,012 | +13,298 | +3.02% | 2025-09-30 |
| Rice Hall James & Associates, Llc | $9,847.00 | 1.48% | 444,381 | -168,071 | -27.44% | 2025-09-30 |