AEHR insider trading
TechnologyAEHR TEST SYSTEMS — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.
About AEHR TEST SYSTEMS
Aehr Test Systems, Inc. provides test solutions for testing, burning-in, and semiconductor devices in wafer level, singulated die, package part form, and installed systems in the United States, Asia, and Europe. Its product portfolio includes FOX-XP and FOX-NP systems that are full wafer contact and singulated die/module test and burn-in systems that test, burn-in, and stabilize range of devices, including silicon carbide-based and other power semiconductors, 2D, and 3D sensors used in mobile phones, tablets and other computing devices, memory semiconductors, processors, microcontrollers, systems-on-a-chip, and photonics and integrated optical devices. The company offers FOX-CP system, a low-cost single-wafer compact test solution for logic, memory, and photonic devices; and FOX WaferPak Contactor, a full wafer contactor capable of testing wafers up to 300mm that enables integrated circuit manufacturers to perform test, burn-in, and stabilization of full wafers on the FOX-P systems. In addition, it provides FOX DiePak Carrier, which allows testing, burning in, and stabilization of singulated bare die and modules; and FOX DiePak Loader. The company was incorporated in 1977 and is headquartered in Fremont, California.
Company website: www.aehr.com
AEHR insider activity at a glance
FilingIQ has scored 1,342 insider transactions for AEHR since Apr 21, 2015. The most recent filing in our index is dated May 1, 2026.
Across the full history, 36 open-market purchases
and 395 open-market sales
were filed under transaction codes P and S respectively. Compensatory share awards
(code A) and option exercises (code M) are tracked separately and not counted here.
The average FilingIQ composite score on AEHR insider trades is 60.1/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.
Latest AEHR Form 4 filings
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Top insiders trading AEHR
Frequently asked
- How many insider trades does FilingIQ track for AEHR?
- FilingIQ tracks 1,342 Form 4 insider transactions for AEHR (AEHR TEST SYSTEMS), covering filings from Apr 21, 2015 onwards. 77 of those were filed in the last 90 days.
- Are AEHR insiders net buyers or net sellers?
- Across the full Form 4 history for AEHR, 36 transactions (3%) were open-market purchases and 395 (29%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
- Where does AEHR insider data come from?
- Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
- What sector is AEHR in?
- AEHR TEST SYSTEMS (AEHR) is classified in the Technology sector, specifically Semiconductor Equipment & Materials, with a current market capitalisation of $858.18M.
Methodology & sources
Every AEHR insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.