Aehr Test Systems (AEHR)
Nasdaq: AEHR · Instruments For Meas & Testing of Electricity & Elec Signals · Fremont, CA · filing with the SEC since 1997
Grade3.8
◀ Past 3.6● Present 3.6▶ Future 4.4
Who owns Aehr Test Systems
As filed with the SECHolders of 5% or more
1
Jane Street Group, LLC holds 5.1% of Common Stock, par value $0.01 per share, as its SCHEDULE 13G filed Jul 29, 2026 says.
Directors and officers
14
report now, of 26 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 1 named at left.
Holders of 5% or moreshare of the class, as filed
Jane Street Group, LLC
SCHEDULE 13G · filed Jul 29, 2026 · Common Stock, par value $0.01 per share
Baillie Gifford & Co
SCHEDULE 13G/A · filed Feb 9, 2026 · Common Stock · reported falling below 5%, from 5.1% in Nov 10, 2025
Fmr LLC
SCHEDULE 13G/A · filed Aug 6, 2026 · COMMON STOCK · reported falling below 5%, from 7% in May 6, 2026
AWM Investment Company, Inc.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, Par Value $0.01 · reported falling below 5%, from 5.3% in May 7, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%
What AEHR reports owning in othersstakes of 5% or more, and other ties
4 subsidiaries in 4 countries, from the list filed with the 10-K filed Jul 27, 2026.
Insider tradesForm 4
73sales
0purchases
0sales on a scheduled plan
13people selling
$63.3Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 2, 2025 to Nov 2, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 2, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window13 of 26 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Erickson Gayn | President and CEO | 4 | $16.0M | 0 | 0 | $0 |
| Scott Geoffrey Gates | Director | 10 | $15.0M | 0 | 0 | $0 |
| Posedel Rhea J | Director | 10 | $9.5M | 0 | 0 | $0 |
| Slayen Howard T | Director | 5 | $5.9M | 0 | 0 | $0 |
| Salamone Alberto | EVP, PPBI BUSINESS | 4 | $4.0M | 0 | 0 | $0 |
| Rogers Vernon | Exec VP of Sales & Mktg. | 8 | $3.3M | 0 | 0 | $0 |
| Engineer Adil | Chief Operating Officer | 6 | $3.1M | 0 | 0 | $0 |
| Richmond Donald P. II | CTO | 2 | $2.3M | 0 | 0 | $0 |
| Danesh Fariba | Director | 3 | $1.4M | 0 | 0 | $0 |
| Oliphant Laura | Director | 9 | $1.1M | 0 | 0 | $0 |
| Sporck Alistair N | VP Contactor Business Unit | 8 | $900,000 | 0 | 0 | $0 |
| Wimmers Didier | Executive VP of R&D | 2 | $400,000 | 0 | 0 | $0 |
| Siu Chris | CFO | 2 | $200,000 | 0 | 0 | $0 |