Aehr Test Systems (AEHR)
Largest Insider Buys in Sector
AEHR Stock Price History Chart
AEHR Stock Performance
About Aehr Test Systems
Aehr Test Systems provides test systems for burning-in and testing logic, optical, and memory integrated circuits worldwide. It offers products, such as the ABTS and FOX-P families of test and burn-in systems and FOX WaferPak Aligner, FOX-XP WaferPak Contactor, FOX DiePak Carrier, and FOX DiePak Loader. The ABTS system is used in production and qualification testing of packaged parts for lower power and higher power logic devices, as well as various common types of memory devices. The FOX-XP and FOX-NP systems are wafer contact and singulated die/module test and burn-in systems used for burn-in and functional test of complex devices, such as memories, digital signal processors, microprocessors, microcontrollers, systems-on-a-chip, and integrated optical devices. The FOX-CP system is a single-wafer compact test and reliability verification solution for logic, memory, and photonic devices. The WaferPak Contactor contains a unique full wafer probe card capable of testing wafers up to 300mm that enables IC manufacturers to perform test and burn-in of full wafers on Aehr Test FOX systems. The DiePak Carrier is a reusable, temporary package that enables IC manufacturers to perform final test and burn-in of bare die and modules. Aehr Test Systems was incorporated in 1977 and is headquartered in Fremont, California.
Insider Activity of Aehr Test Systems
Over the last 12 months, insiders at Aehr Test Systems have bought $81,740 and sold $23.62M worth of Aehr Test Systems stock.
On average, over the past 5 years, insiders at Aehr Test Systems have bought $81,740 and sold $16.24M worth of stock each year.
Highest buying activity among insiders over the last 12 months: SLAYEN HOWARD T (director) — $56,280. Ray-Chaudhuri Avijit K. (Executive VP of R&D) — $53,600.
The last purchase of 3,000 shares for transaction amount of $53,600 was made by Ray-Chaudhuri Avijit K. (Executive VP of R&D) on 2024‑01‑12.
List of Insider Buy and Sell Transactions, Aehr Test Systems
| 2024-01-18 | Sale | Erickson Gayn | President and CEO | 4,871 0.0171% | $17.39 | $84,726 | -27.25% | |
| 2024-01-18 | Sale | RICHMOND DONALD P. II | CTO | 1,021 0.0036% | $17.39 | $17,759 | -27.25% | |
| 2024-01-18 | Sale | ROGERS VERNON | Exec VP of Sales & Mktg. | 1,309 0.0046% | $17.39 | $22,769 | -27.25% | |
| 2024-01-16 | Sale | Erickson Gayn | President and CEO | 1,113 0.0038% | $17.24 | $19,189 | -28.04% | |
| 2024-01-16 | Sale | RICHMOND DONALD P. II | CTO | 180 0.0006% | $17.24 | $3,103 | -28.04% | |
| 2024-01-16 | Sale | ROGERS VERNON | Exec VP of Sales & Mktg. | 244 0.0008% | $17.24 | $4,207 | -28.04% | |
| 2024-01-12 | Ray-Chaudhuri Avijit K. | Executive VP of R&D | 3,000 0.0106% | $17.87 | $53,600 | -28.27% | ||
| 2023-12-06 | Sale | Siu Chris | VP Finance/CFO | 322 0.0012% | $25.27 | $8,136 | -39.70% | |
| 2023-10-16 | Sale | SPORCK ALISTAIR N | VP, CONTACTOR BUSINESS UNIT | 955 0.0034% | $37.65 | $35,956 | -56.50% | |
| 2023-10-11 | SLAYEN HOWARD T | director | 700 0.0025% | $40.20 | $28,140 | -59.52% | ||
| 2023-08-10 | Sale | RICHMOND DONALD P. II | VP of Engineering | 92 0.0003% | $51.00 | $4,692 | -63.68% | |
| 2023-08-09 | Sale | RICHMOND DONALD P. II | VP of Engineering | 30,000 0.1088% | $48.75 | $1.46M | -62.49% | |
| 2023-08-03 | Sale | SCOTT GEOFFREY GATES | director | 9,470 0.0343% | $50.20 | $475,394 | -62.85% | |
| 2023-08-02 | Sale | SCOTT GEOFFREY GATES | director | 5,000 0.0184% | $52.26 | $261,300 | -63.68% | |
| 2023-08-01 | Sale | OLIPHANT LAURA | director | 1,008 0.0038% | $52.50 | $52,920 | -65.74% | |
| 2023-07-31 | Sale | OLIPHANT LAURA | director | 10,000 0.035% | $51.67 | $516,700 | -64.32% | |
| 2023-07-27 | Sale | SLAYEN HOWARD T | director | 5,352 0.0192% | $52.82 | $282,693 | -22.89% | |
| 2023-07-25 | Sale | SLAYEN HOWARD T | director | 14,648 0.0516% | $51.91 | $760,442 | -60.69% | |
| 2023-07-21 | Sale | SCOTT GEOFFREY GATES | director | 10,208 0.0358% | $48.25 | $492,536 | -54.16% | |
| 2023-07-18 | Sale | POSEDEL RHEA J | director | 20,000 0.0751% | $53.00 | $1.06M | -55.41% |
Insider Historical Profitability
| POSEDEL RHEA J | director | 428821 1.4864% | $10.17 | 13 | 49 | +35.7% |
| Erickson Gayn | President and CEO | 427935 1.4834% | $10.17 | 6 | 33 | +64.81% |
| SLAYEN HOWARD T | director | 186989 0.6482% | $10.17 | 6 | 14 | +36.38% |
| RICHMOND DONALD P. II | CTO | 175232 0.6074% | $10.17 | 0 | 9 | |
| HENDRICKSON DAVID S | Former CTO | 84783 0.2939% | $10.17 | 1 | 48 | +134.18% |
| ROGERS VERNON | Exec VP of Sales & Mktg. | 40277 0.1396% | $10.17 | 0 | 5 | |
| SCOTT GEOFFREY GATES | director | 34990 0.1213% | $10.17 | 0 | 14 | |
| Siu Chris | VP Finance/CFO | 14747 0.0511% | $10.17 | 0 | 1 | |
| OLIPHANT LAURA | director | 12665 0.0439% | $10.17 | 0 | 11 | |
| SPORCK ALISTAIR N | VP, CONTACTOR BUSINESS UNIT | 11988 0.0416% | $10.17 | 0 | 4 | |
| Ray-Chaudhuri Avijit K. | Executive VP of R&D | 9719 0.0337% | $10.17 | 1 | 0 | |
| SPINK KENNETH B. | VP of Finance and CFO | 0 0% | $10.17 | 0 | 6 | |
| PATEL MUKESH | director | 455676 1.5795% | $10.17 | 2 | 53 | +64.81% |
| ANDERSON ROBERT R | director | 429009 1.4871% | $10.17 | 22 | 3 | <0.0001% |
| LARSON GARY L | VP OF FINANCE & CFO | 142763 0.4949% | $10.17 | 2 | 25 | +64.81% |
| ELDER WILLIAM W R | director | 15759 0.0546% | $10.17 | 10 | 27 | <0.0001% |
| ANDERSON LARRY | V.P. OF WORLDWIDE SALES | 10000 0.0347% | $10.17 | 1 | 0 | +134.18% |
| DANESH FARIBA | director | 7665 0.0266% | $10.17 | 0 | 3 | |
| ALLISON MARK D. | VP OF WORLDWIDE SALES | 6382 0.0221% | $10.17 | 1 | 0 | <0.0001% |
| Schneider John M. | director | 2945 0.0102% | $10.17 | 2 | 12 | <0.0001% |
| FUCCI DAVID | 1488 0.0052% | $10.17 | 1 | 11 | <0.0001% | |
| MEURELL CARL J | 1189 0.0041% | $10.17 | 0 | 4 | ||
| SANO KUNIO | President of Aehr Test Japan | 0 0% | $10.17 | 0 | 30 | |
| BUCK CARL N | 0 0% | $10.17 | 2 | 66 | +64.81% | |
| ROSATI MARIO M | director | 0 0% | $10.17 | 0 | 16 | |
| Perkins Gregory M | VP, WORLD WIDE SALES & SERVICE | 0 0% | $10.17 | 0 | 17 | |
| Brannan Michael A. | 0 0% | $10.17 | 0 | 5 |
Institutional Investor Ownership
| The Vanguard Group | $26.01M | 7.26 | 2.1M | +39.04% | +$7.3M | <0.0001 | |
| BlackRock | $25.24M | 7.04 | 2.04M | -2.04% | -$524,557.19 | <0.01 | |
| Awm Investment Company Inc | $15.23M | 4.25 | 1.23M | +0.05% | +$7,960.80 | 2.26 | |
| Ameriprise Financial | $14.07M | 3.93 | 1.13M | +18.43% | +$2.19M | <0.01 | |
| Bank of Montreal | $16.93M | 3.51 | 1.02M | +10,827.17% | +$16.78M | 0.01 | |
| Oberweis Asset Management Inc | $12M | 3.35 | 967,852 | -11.3% | -$1.53M | 0.87 | |
| Baillie Gifford Co | $10.27M | 2.87 | 828,626 | +25.11% | +$2.06M | 0.01 | |
| Nomura Holdings | $10.06M | 2.81 | 811,001 | New | +$10.06M | 0.09 | |
| Geode Capital Management | $7.55M | 2.11 | 609,070 | +2.73% | +$200,484.30 | <0.01 | |
| State Street | $6.97M | 1.95 | 562,488 | +1.41% | +$97,154.00 | <0.0001 | |
| Weiss Asset Management LP | $6.94M | 1.94 | 559,780 | +2.72% | +$183,867.20 | 0.44 | |
| Morgan Stanley | $5.06M | 1.41 | 408,297 | +80.98% | +$2.27M | <0.0001 | |
| Fidelity Investments | $4.14M | 1.15 | 333,606 | +0.06% | +$2,455.20 | <0.0001 | |
| Amitell Capital Pte Ltd | $4.04M | 1.13 | 325,719 | New | +$4.04M | 3.42 | |
| Northern Trust | $3.07M | 0.86 | 247,593 | -1.88% | -$58,689.20 | <0.01 | |
| Dimensional Fund Advisors | $2.89M | 0.81 | 233,374 | -52.67% | -$3.22M | <0.01 | |
| Charles Schwab | $2.63M | 0.73 | 212,107 | +1.16% | +$30,218.80 | <0.01 | |
| Wellington Management Company | $2.48M | 0.69 | 199,600 | New | +$2.48M | <0.0001 | |
| Gsa Capital Partners Llp | $2.1M | 0.59 | 169,136 | +348.02% | +$1.63M | 0.17 | |
| Next Century Growth Investors LLC | $2.05M | 0.57 | 165,276 | -2.03% | -$42,469.99 | 0.18 | |
| ROYCE & ASSOCIATES INC | $2.01M | 0.56 | 161,765 | +53.67% | +$700,600.00 | 0.02 | |
| Goldman Sachs | $1.85M | 0.52 | 149,182 | +85.79% | +$854,186.03 | <0.0001 | |
| Silvercrest Asset Management Group Inc | $1.84M | 0.51 | 148,431 | +4.52% | +$79,533.58 | 0.01 | |
| Bank of America | $1.79M | 0.5 | 144,233 | +1,156.82% | +$1.65M | <0.0001 | |
| Susquehanna International Group | $1.61M | 0.45 | 129,989 | +15.66% | +$218,190.45 | <0.01 | |
| Federated Hermes | $1.57M | 0.44 | 126,539 | New | +$1.57M | <0.01 | |
| Barclays | $1.56M | 0.44 | 125,860 | +167.82% | +$977,522.33 | <0.01 | |
| Pier Capital LLC | $1.48M | 0.41 | 119,564 | New | +$1.48M | 0.21 | |
| Jane Street Capital | $1.47M | 0.41 | 118,563 | -24.13% | -$467,517.45 | <0.01 | |
| BNY Mellon | $1.18M | 0.33 | 95,061 | -51.76% | -$1.26M | <0.0001 | |
| Citadel Advisors LLC | $1.17M | 0.33 | 94,673 | -64.6% | -$2.14M | <0.01 | |
| Kennedy Capital Management Inc | $1.14M | 0.32 | 91,616 | New | +$1.14M | 0.02 | |
| Millennium Management LLC | $1.13M | 0.32 | 91,137 | -75.71% | -$3.52M | <0.01 | |
| AQR Capital | $1.13M | 0.32 | 91,139 | +352.39% | +$880,313.51 | <0.01 | |
| Nuveen | $1.12M | 0.31 | 90,716 | -34.94% | -$604,177.39 | <0.0001 | |
| State of Wisconsin Investment Board | $1.09M | 0.3 | 87,990 | +26.59% | +$229,189.20 | <0.01 | |
| Imc Chicago Llc | $1.04M | 0.29 | 84,138 | New | +$1.04M | 0.01 | |
| Rice Hall James & Associates, LLC | $958,359.00 | 0.27 | 77,287 | New | +$958,359.00 | 0.06 | |
| Walleye Capital | $951,316.00 | 0.27 | 76,719 | New | +$951,316.00 | <0.01 | |
| Symmetry Investments Lp | $867,000.00 | 0.24 | 69,937 | -77.55% | -$2.99M | 0.09 | |
| UBS | $779,315.00 | 0.22 | 62,848 | -1.9% | -$15,115.60 | <0.0001 | |
| Bouvel Investment Partners Llc | $676,966.00 | 0.19 | 54,594 | +85.9% | +$312,814.98 | 0.31 | |
| Swiss National Bank | $668,360.00 | 0.19 | 53,900 | 0% | +$0 | <0.0001 | |
| D. E. Shaw & Co. | $650,293.00 | 0.18 | 52,443 | -84% | -$3.42M | <0.01 | |
| Advisor Group Holdings Inc | $614,435.00 | 0.17 | 49,555 | -60.79% | -$952,681.13 | <0.01 | |
| General American Investors | $613,763.00 | 0.17 | 49,497 | -50.25% | -$620,000.20 | 0.05 | |
| Two Sigma | $580,233.00 | 0.16 | 46,793 | New | +$580,233.00 | <0.01 | |
| Aviva | $551,738.00 | 0.15 | 44,495 | +89.07% | +$259,916.40 | <0.01 | |
| Simplex Trading Llc | $488,000.00 | 0.14 | 39,434 | +4.49% | +$20,975.81 | 0.01 | |
| Jefferies Financial Group | $487,010.00 | 0.14 | 39,275 | +125.95% | +$271,473.20 | 0.01 |