AEHR Insider Trading

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Insider Trading History
Frequently Asked Questions
About

Insider Ownership Percentage: 6.20%

Insider Buying (Last 12 Months): $310,000.00

Insider Selling (Last 12 Months): $254,911.34

Aehr Test Systems Insider Trading History Chart

Aehr Test Systems Share Price & Price History

^$14.11

▼ -0.48 (-3.29%)

As of 07/11/2025 05:00 PM ET

Days: 30 | 90 | 365

Aehr Test Systems Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
5/12/2025	Alberto Salamone	EVP	Sell	4,995	$9.08	$45,354.60	56,241
8/2/2024	Howard T. Slayen	Director	Buy	20,000	$15.50	$310,000.00	220,714
7/30/2024	Fariba Danesh	Director	Sell	10,000	$18.59	$185,900.00	16,390
7/19/2024	Alistair N. Sporck	VP	Sell	1,257	$18.82	$23,656.74	24,453
1/18/2024	Donald P. Richmond, II	Insider	Sell	1,021	$17.39	$17,755.19	175,232
1/18/2024	Gayn Erickson	CEO	Sell	4,871	$17.39	$84,706.69	427,935
1/18/2024	Vernon Rogers	VP	Sell	1,309	$17.39	$22,763.51	40,277
1/16/2024	Donald P. Richmond, II	Insider	Sell	180	$17.24	$3,103.20	176,253
1/16/2024	Gayn Erickson	CEO	Sell	1,113	$17.24	$19,188.12	432,806
1/16/2024	Vernon Rogers	VP	Sell	244	$17.24	$4,206.56	41,586
1/12/2024	Avijit K Ray-Chaudhuri	VP	Buy	3,000	$17.87	$53,610.00	9,719
12/6/2023	Chris Siu	CFO	Sell	322	$25.27	$8,136.94	14,747
10/16/2023	Alistair N. Sporck	VP	Sell	955	$37.65	$35,955.75	11,988
10/11/2023	Howard T. Slayen	Director	Buy	700	$40.20	$28,140.00	186,989
8/9/2023	Donald P. Richmond, II	VP	Sell	30,000	$48.75	$1,462,500.00	138,734
7/31/2023	Laura Oliphant	Director	Sell	10,000	$51.67	$516,700.00
7/27/2023	Howard T. Slayen	Director	Sell	5,352	$52.82	$282,692.64	186,875
7/25/2023	Howard T. Slayen	Director	Sell	14,648	$51.91	$760,377.68	192,227
7/21/2023	Geoffrey Gates Scott	Director	Sell	10,208	$48.25	$492,536.00	49,460
7/18/2023	Vernon Rogers	VP	Sell	40,013	$50.24	$2,010,253.12	36,441
7/17/2023	David S. Hendrickson	Insider	Sell	28,000	$51.45	$1,440,600.00	84,783
7/17/2023	Gayn Erickson	CEO	Sell	123,811	$51.29	$6,350,266.19	421,123
7/17/2023	Kenneth B. Spink	CFO	Sell	36,511	$51.39	$1,876,300.29
7/17/2023	Rhea J. Posedel	Director	Sell	80,000	$51.56	$4,124,800.00	448,821
7/14/2023	Gayn Erickson	CEO	Sell	50,000	$45.00	$2,250,000.00	550,033
6/8/2023	Mario M. Rosati	Director	Sell	1,201	$41.14	$49,409.14
6/6/2023	Mario M. Rosati	Director	Sell	541	$40.53	$21,926.73
5/5/2023	Alistair N. Sporck	VP	Sell	960	$27.08	$25,996.80	12,651
4/6/2023	Geoffrey Gates Scott	Director	Sell	30,000	$28.21	$846,300.00	59,668
3/23/2023	Gayn Erickson	CEO	Sell	50,000	$40.00	$2,000,000.00	569,064
3/1/2023	Kenneth B Spink	CFO	Sell	25,000	$35.22	$880,500.00	99,880
2/6/2023	Mario M. Rosati	Director	Sell	27,943	$36.31	$1,014,610.33	98,083
2/2/2023	Mario M. Rosati	Director	Sell	2,500	$36.27	$90,675.00	1,201
1/30/2023	Geoffrey Gates Scott	Director	Sell	25,000	$33.89	$847,250.00	89,668
1/27/2023	Vernon Rogers	VP	Sell	37,500	$35.39	$1,327,125.00	69,775
1/24/2023	Gayn Erickson	CEO	Sell	50,496	$35.00	$1,767,360.00	495,253
1/23/2023	Alistair N. Sporck	VP	Sell	470	$34.52	$16,224.40	13,124
1/23/2023	Rhea J. Posedel	Director	Sell	40,000	$33.90	$1,356,000.00	523,821
1/20/2023	Rhea J. Posedel	Director	Sell	40,000	$31.40	$1,256,000.00	563,821
1/17/2023	Alistair N. Sporck	VP	Sell	499	$28.79	$14,366.21	14,062
1/13/2023	Gayn Erickson	CEO	Sell	50,000	$30.00	$1,500,000.00	553,051
1/13/2023	Mario M. Rosati	Director	Sell	17,291	$28.64	$495,214.24	50,067
1/11/2023	David S. Hendrickson	Insider	Sell	5,253	$28.71	$150,813.63	98,614
1/10/2023	Geoffrey Gates Scott	Director	Sell	15,000	$27.29	$409,350.00	114,668
12/1/2022	Laura Oliphant	Director	Sell	3,474	$27.01	$93,832.74	9,177
11/23/2022	Laura Oliphant	Director	Sell	1,901	$27.00	$51,327.00	12,651
11/15/2022	Gayn Erickson	CEO	Sell	69,690	$25.90	$1,804,971.00	608,051
11/15/2022	Geoffrey Gates Scott	Director	Sell	15,000	$25.21	$378,150.00	144,668
11/15/2022	Vernon Rogers	VP	Sell	20,000	$26.32	$526,400.00	71,129
10/28/2022	Donald P. Richmond, II	VP	Sell	21,910	$21.00	$460,110.00	193,358
10/24/2022	Laura Oliphant	Director	Sell	5,806	$22.00	$127,732.00	22,366
10/20/2022	Howard T. Slayen	Director	Sell	18,000	$20.00	$360,000.00	169,924
10/18/2022	Kenneth B Spink	CFO	Sell	30,000	$18.65	$559,500.00	127,673
10/10/2022	Mario M. Rosati	Director	Sell	1,300	$16.13	$20,969.00	36,798
8/10/2022	Howard T. Slayen	Director	Sell	10,000	$17.50	$175,000.00	190,762
8/8/2022	Kenneth B Spink	CFO	Sell	6,819	$15.67	$106,853.73	172,380
8/4/2022	Howard T. Slayen	Director	Sell	10,000	$14.75	$147,500.00	200,762
8/2/2022	Howard T. Slayen	Director	Sell	10,000	$12.50	$125,000.00	210,762

SEC Filings (Institutional Ownership Changes) for Aehr Test Systems (NASDAQ:AEHR)

69.69% of Aehr Test Systems stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

Aehr Test Systems Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
7/11/2025	Halter Ferguson Financial Inc.	439,714	$5.69M	2.0%	+3.7%	1.477%
7/11/2025	Bouvel Investment Partners LLC	54,802	$0.71M	0.2%	-5.9%	0.184%
6/27/2025	Goldman Sachs Group Inc.	145,997	$1.06M	0.0%	-17.6%	0.490%
6/3/2025	Inspire Investing LLC	48,148	$0.35M	0.0%	+99.3%	0.162%
5/29/2025	Rhumbline Advisers	40,212	$0.29M	0.0%	+5.7%	0.135%
5/16/2025	Goldman Sachs Group Inc.	145,997	$1.06M	0.0%	-17.6%	0.490%
5/16/2025	Panoramic Capital LLC	33,455	$0.24M	0.3%	-80.0%	0.112%
5/16/2025	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	17,225	$0.13M	0.0%	+8.5%	0.058%
5/16/2025	AWM Investment Company Inc.	1,587,936	$11.58M	1.6%	+28.1%	5.334%
5/15/2025	Royal Bank of Canada	50,207	$0.37M	0.0%	+262.7%	0.169%
5/14/2025	Jump Financial LLC	119,143	$0.87M	0.0%	+324.0%	0.400%
5/14/2025	Quantbot Technologies LP	4,308	$31K	0.0%	N/A	0.014%
5/14/2025	Wellington Management Group LLP	276,573	$2.02M	0.0%	+37.5%	0.929%
5/13/2025	American Century Companies Inc.	11,752	$86K	0.0%	N/A	0.039%
5/12/2025	Nuveen LLC	73,331	$0.54M	0.0%	N/A	0.246%
5/12/2025	Invesco Ltd.	30,226	$0.22M	0.0%	+88.8%	0.102%
5/9/2025	Deutsche Bank AG	20,548	$0.15M	0.0%	-11.3%	0.069%
5/9/2025	Charles Schwab Investment Management Inc.	225,923	$1.65M	0.0%	+4.8%	0.759%
5/9/2025	Halter Ferguson Financial Inc.	424,173	$3.09M	1.6%	-6.5%	1.425%
5/8/2025	XTX Topco Ltd	36,637	$0.27M	0.0%	N/A	0.123%
5/7/2025	Baillie Gifford & Co.	2,003,067	$14.60M	0.0%	-1.0%	6.728%
5/1/2025	Rice Hall James & Associates LLC	620,340	$4.52M	0.3%	-2.2%	2.084%
5/1/2025	CWM LLC	5,269	$38K	0.0%	-95.6%	0.018%
4/22/2025	Cambridge Investment Research Advisors Inc.	26,002	$0.19M	0.0%	-5.7%	0.087%
4/8/2025	Rhumbline Advisers	40,212	$0.29M	0.0%	+5.7%	0.135%
4/7/2025	GAMMA Investing LLC	7,079	$52K	0.0%	+1,753.1%	0.024%
4/1/2025	Penbrook Management LLC	41,375	$0.30M	0.2%	+22.3%	0.139%
3/24/2025	Wellington Management Group LLP	201,073	$3.34M	0.0%	-35.5%	0.677%
2/18/2025	AWM Investment Company Inc.	1,239,199	$20.61M	2.5%	-3.7%	4.171%
2/17/2025	Two Sigma Investments LP	48,624	$0.81M	0.0%	+12.2%	0.164%
2/17/2025	State of Wyoming	4,054	$67K	0.0%	N/A	0.014%
2/17/2025	Silvercrest Asset Management Group LLC	362,448	$6.03M	0.0%	-1.0%	1.220%
2/17/2025	Point72 Asset Management L.P.	920,427	$15.31M	0.0%	N/A	3.098%
2/17/2025	Panoramic Capital LLC	167,516	$2.79M	1.5%	N/A	0.564%
2/17/2025	Janus Henderson Group PLC	69,156	$1.15M	0.0%	+32.2%	0.233%
2/17/2025	G2 Investment Partners Management LLC	74,047	$1.23M	0.3%	-68.1%	0.249%
2/17/2025	Deutsche Bank AG	23,171	$0.39M	0.0%	+63.2%	0.078%
2/17/2025	Balyasny Asset Management L.P.	68,714	$1.14M	0.0%	+82.2%	0.231%
2/17/2025	Bayesian Capital Management LP	11,100	$0.19M	0.0%	N/A	0.037%
2/17/2025	BNP Paribas Financial Markets	4,522	$75K	0.0%	-80.9%	0.015%
2/17/2025	Ameriprise Financial Inc.	1,280,855	$21.30M	0.0%	-0.5%	4.311%
2/17/2025	Apis Capital Advisors LLC	110,000	$1.83M	1.2%	-38.2%	0.370%
2/14/2025	Northern Trust Corp	250,336	$4.16M	0.0%	+8.4%	0.843%
2/14/2025	Quarry LP	1,887	$31K	0.0%	-41.3%	0.006%
2/14/2025	Boothbay Fund Management LLC	21,777	$0.36M	0.0%	-59.6%	0.073%
2/14/2025	Price T Rowe Associates Inc. MD	24,716	$0.41M	0.0%	+23.9%	0.083%
2/14/2025	Tower Research Capital LLC TRC	7,131	$0.12M	0.0%	-38.3%	0.024%
2/14/2025	Mirabella Financial Services LLP	93,056	$1.55M	0.1%	N/A	0.313%
2/14/2025	Dimensional Fund Advisors LP	137,241	$2.28M	0.0%	+1.8%	0.462%
2/13/2025	Jump Financial LLC	28,100	$0.47M	0.0%	N/A	0.095%
2/13/2025	Mariner LLC	10,812	$0.18M	0.0%	N/A	0.036%
2/13/2025	Barclays PLC	44,905	$0.75M	0.0%	-68.0%	0.151%
2/13/2025	Raymond James Financial Inc.	16,341	$0.27M	0.0%	N/A	0.055%
2/13/2025	Invesco Ltd.	16,007	$0.27M	0.0%	+7.9%	0.054%
2/13/2025	Federated Hermes Inc.	185,502	$3.09M	0.0%	-55.1%	0.624%
2/13/2025	Wells Fargo & Company MN	17,856	$0.30M	0.0%	+81.7%	0.060%
2/13/2025	Riverwater Partners LLC	13,241	$0.22M	0.1%	-24.9%	0.045%
2/12/2025	Headlands Technologies LLC	6,164	$0.10M	0.0%	N/A	0.021%
2/12/2025	Geode Capital Management LLC	647,610	$10.77M	0.0%	+1.3%	2.180%
2/12/2025	Alliancebernstein L.P.	16,020	$0.27M	0.0%	-53.1%	0.054%
2/12/2025	Wellington Management Group LLP	201,073	$3.34M	0.0%	-35.5%	0.677%
2/12/2025	DnB Asset Management AS	48,686	$0.81M	0.0%	N/A	0.164%
2/12/2025	JPMorgan Chase & Co.	15,591	$0.26M	0.0%	+15.4%	0.052%
2/12/2025	Montanaro Asset Management Ltd	4,850	$81K	0.0%	-44.6%	0.016%
2/11/2025	Pier Capital LLC	524,231	$8.72M	1.2%	+27.2%	1.764%
2/11/2025	Vanguard Group Inc.	2,183,641	$36.31M	0.0%	+2.1%	7.350%
2/11/2025	LPL Financial LLC	52,528	$0.87M	0.0%	N/A	0.177%
2/11/2025	Halter Ferguson Financial Inc.	453,536	$7.54M	3.1%	-9.1%	1.527%
2/7/2025	HighTower Advisors LLC	13,256	$0.22M	0.0%	+18.1%	0.045%
2/6/2025	Raymond James Financial Inc.	16,341	$0.27M	0.0%	N/A	0.055%
2/6/2025	Charles Schwab Investment Management Inc.	215,596	$3.59M	0.0%	-4.7%	0.726%
2/4/2025	Bank of New York Mellon Corp	89,631	$1.49M	0.0%	+9.4%	0.302%
1/31/2025	New York State Common Retirement Fund	1,733	$29K	0.0%	-83.4%	0.006%
1/31/2025	Rice Hall James & Associates LLC	634,391	$10.55M	0.6%	+59.1%	2.135%
1/31/2025	Baillie Gifford & Co.	2,023,559	$33.65M	0.0%	+12.0%	6.811%
1/27/2025	Greenwood Capital Associates LLC	32,693	$0.54M	0.1%	+18.2%	0.110%
1/23/2025	New Wave Wealth Advisors LLC	1,700	$28K	0.0%	N/A	0.006%
1/23/2025	Penbrook Management LLC	33,825	$0.56M	0.4%	+25.3%	0.114%
1/17/2025	Inspire Investing LLC	24,158	$0.40M	0.0%	-23.9%	0.082%
1/17/2025	Janney Montgomery Scott LLC	54,671	$0.91M	0.0%	N/A	0.185%
1/17/2025	SG Americas Securities LLC	14,519	$0.24M	0.0%	+43.7%	0.049%
1/16/2025	Annex Advisory Services LLC	78,362	$1.30M	0.0%	N/A	0.264%
12/26/2024	JPMorgan Chase & Co.	13,515	$0.17M	0.0%	-85.1%	0.046%
12/19/2024	Principal Financial Group Inc.	46,793	$0.60M	0.0%	-31.0%	0.158%
11/16/2024	Geode Capital Management LLC	639,149	$8.22M	0.0%	+3.0%	2.157%
11/15/2024	Barclays PLC	140,525	$1.81M	0.0%	+27.3%	0.474%
11/15/2024	Pier Capital LLC	412,077	$5.30M	0.7%	+33.4%	1.391%
11/15/2024	Wellington Management Group LLP	311,773	$4.01M	0.0%	+3.1%	1.052%
11/15/2024	State Street Corp	571,860	$7.35M	0.0%	+1.6%	1.930%
11/15/2024	Quarry LP	3,212	$41K	0.0%	N/A	0.011%
11/15/2024	Janus Henderson Group PLC	52,308	$0.67M	0.0%	N/A	0.177%
11/15/2024	HighTower Advisors LLC	11,224	$0.14M	0.0%	N/A	0.038%
11/15/2024	Atom Investors LP	30,325	$0.39M	0.0%	N/A	0.102%
11/13/2024	BNP Paribas Financial Markets	23,709	$0.31M	0.0%	+89.1%	0.080%
11/13/2024	FMR LLC	2,619,108	$33.66M	0.0%	+1,535.8%	8.839%
11/13/2024	Truvestments Capital LLC	2,787	$36K	0.0%	N/A	0.009%
11/12/2024	Charles Schwab Investment Management Inc.	226,336	$2.91M	0.0%	+4.0%	0.764%
11/7/2024	Quest Partners LLC	12,815	$0.17M	0.0%	+203.0%	0.043%
11/6/2024	Bouvel Investment Partners LLC	58,233	$0.75M	0.3%	+3.5%	0.197%
11/5/2024	Baillie Gifford & Co.	1,806,849	$23.22M	0.0%	+8.2%	6.098%

Data available starting January 2016

Aehr Test Systems provides test solutions for testing, burning-in, and semiconductor devices in wafer level, singulated die, and package part form, and installed systems worldwide. 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 can 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 also offers FOX-CP system, a low-cost single-wafer compact test solution for logic, memory, and photonic devices; 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, a reusable temporary package that enables IC manufacturers to perform final test and burn-in of bare die and modules; and FOX DiePak Loader. The company was incorporated in 1977 and is headquartered in Fremont, California.

Today's Range

Now: $14.11

$14.05

$14.76

50 Day Range

MA: $11.12

$8.19

$15.51

52 Week Range

Now: $14.11

$6.27

$21.44

Volume

1,299,286 shs

Average Volume

1,215,138 shs

Market Capitalization

$420.05 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

2.29

Who are the company insiders with the largest holdings of Aehr Test Systems?: Aehr Test Systems' top insider investors include:
Gayn Erickson (CEO)
Rhea J Posedel (Director)
Howard T Slayen (Director)
Donald P Richmond II (Insider)
Donald P Richmond II (VP)
David S Hendrickson (Insider)
Alberto Salamone (EVP)
Geoffrey Gates Scott (Director)
Vernon Rogers (VP)
Alistair N Sporck (VP)
Fariba Danesh (Director)
Chris Siu (CFO)
Avijit K Ray-Chaudhuri (VP)
Kenneth B Spink (CFO)
Laura Oliphant (Director)
Learn More about top insider investors at Aehr Test Systems.