Aehr Test Systems (AEHR) has 20 known insider and institutional holders on record. The largest holder is POSEDEL RHEA J with 456,979 shares. Other notable holders include Schneider John M. and Erickson Gayn.
Over the last 12 months, insiders have made 99 transactions in AEHR stock — 13 buys (valued at $147.05K) and 6 sells (valued at $789.35K). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
AEHR Insider Ownership
Top Holder
POSEDEL RHEA J
456,979 shares
Buys (12 mo)
13
$147.05K value
Sells (12 mo)
6
$789.35K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Posedel Rhea J |
Director |
456,979 |
2026-02-13 |
|
| 2 |
Schneider John M. |
Director |
371,442 |
2020-07-16 |
|
| 3 |
Erickson Gayn |
President and CEO |
293,759 |
2026-04-06 |
|
| 4 |
Richmond Donald P. Ii |
CTO |
215,337 |
2026-04-02 |
|
| 5 |
Slayen Howard T |
Director |
203,328 |
2026-02-04 |
|
| 6 |
Rogers Vernon |
Exec VP of Sales & Mktg. |
178,764 |
2026-04-02 |
|
| 7 |
Rosati Mario M |
Director |
126,026 |
2023-02-07 |
|
| 8 |
Spink Kenneth B. |
VP of Finance and CFO |
111,806 |
2023-07-17 |
|
| 9 |
Hendrickson David S |
Former CTO |
84,783 |
2023-07-19 |
|
| 10 |
Salamone Alberto |
EVP, Ppbi Business |
78,578 |
2026-04-02 |
|
| 11 |
Scott Geoffrey Gates |
Director |
52,864 |
2026-03-10 |
|
| 12 |
Engineer Adil |
Chief Operating Officer |
48,130 |
2026-04-02 |
|
| 13 |
Ray-chaudhuri Avijit K. |
Executive VP of R&d |
28,318 |
2024-10-29 |
|
| 14 |
Oliphant Laura |
Director |
18,432 |
2026-01-26 |
|
| 15 |
Allison Mark D. |
VP of Wordwide Sales |
18,000 |
2018-08-20 |
|
| 16 |
Danesh Fariba |
Director |
16,643 |
2025-10-10 |
|
| 17 |
Brannan Michael A. |
V.p. of Operations |
16,373 |
2022-01-24 |
|
| 18 |
Wimmers Didier |
Executive VP of R&d |
16,059 |
2026-04-03 |
|
| 19 |
Elder William W R |
Director |
10,000 |
2018-10-24 |
|
| 20 |
Siu Chris |
CFO |
7,306 |
2026-04-02 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-02 |
Erickson Gayn |
President and CEO |
Tax Withholding of RSU |
2,512 |
$44.32 |
$111.33K |
| 2026-04-01 |
Erickson Gayn |
President and CEO |
Other (Buy) |
2,131 |
$6.67 |
$14.21K |
| 2026-04-01 |
Wimmers Didier |
Executive VP of R&d |
Other (Buy) |
1,873 |
$6.67 |
$12.5K |
| 2026-04-02 |
Salamone Alberto |
EVP, Ppbi Business |
Tax Withholding of RSU |
553 |
$44.32 |
$24.51K |
| 2026-04-01 |
Salamone Alberto |
EVP, Ppbi Business |
Other (Buy) |
1,672 |
$6.67 |
$11.16K |
| 2026-04-02 |
Sporck Alistair N |
VP Contactor Business Unit |
Tax Withholding of RSU |
298 |
$44.32 |
$13.21K |
| 2026-04-01 |
Sporck Alistair N |
VP Contactor Business Unit |
Other (Buy) |
1,963 |
$6.67 |
$13.1K |
| 2026-04-02 |
Engineer Adil |
Chief Operating Officer |
Tax Withholding of RSU |
458 |
$44.32 |
$20.3K |
| 2026-04-01 |
Engineer Adil |
Chief Operating Officer |
Other (Buy) |
2,454 |
$6.67 |
$16.37K |
| 2026-04-02 |
Rogers Vernon |
Exec VP of Sales & Mktg. |
Tax Withholding of RSU |
336 |
$44.32 |
$14.89K |
| 2026-04-01 |
Rogers Vernon |
Exec VP of Sales & Mktg. |
Other (Buy) |
1,558 |
$6.67 |
$10.4K |
| 2026-04-02 |
Richmond Donald P. Ii |
CTO |
Tax Withholding of RSU |
341 |
$44.32 |
$15.11K |
| 2026-04-01 |
Richmond Donald P. Ii |
CTO |
Other (Buy) |
2,120 |
$6.67 |
$14.15K |
| 2026-04-02 |
Siu Chris |
CFO |
Tax Withholding of RSU |
821 |
$44.32 |
$36.39K |
| 2026-04-01 |
Siu Chris |
CFO |
Other (Buy) |
2,095 |
$6.67 |
$13.98K |
| 2026-04-02 |
Erickson Gayn |
President and CEO |
Tax Withholding of RSU |
2,512 |
$44.32 |
$111.33K |
| 2026-04-01 |
Erickson Gayn |
President and CEO |
Other (Buy) |
2,131 |
$6.67 |
$14.22K |
| 2026-03-10 |
Scott Geoffrey Gates |
Director |
Gift (Given) |
5,104 |
- |
- |
| 2026-03-03 |
Wimmers Didier |
Executive VP of R&d |
Tax Withholding of RSU |
364 |
$41.64 |
$15.16K |
| 2026-03-01 |
Siu Chris |
CFO |
Tax Withholding of RSU |
368 |
$37.43 |
$13.77K |
| 2026-02-13 |
Posedel Rhea J |
Director |
Informative Sell |
13,998 |
$30.02 |
$420.15K |
| 2026-02-09 |
Sporck Alistair N |
VP Contactor Business Unit |
Informative Sell |
300 |
$27.59 |
$8.28K |
| 2026-02-04 |
Slayen Howard T |
Director |
Gift (Given) |
5,000 |
- |
- |
| 2026-02-01 |
Salamone Alberto |
EVP, Ppbi Business |
Tax Withholding of RSU |
234 |
$25.64 |
$6K |
| 2026-01-27 |
Sporck Alistair N |
VP Contactor Business Unit |
Tax Withholding of RSU |
152 |
$27.75 |
$4.22K |