Skip to main content

Aehr Test Systems

AEHR
Exchange
Nasdaq
Industry
Instruments For Meas & Testing of Electricity & Elec Signals
SEC CIK
0001040470

In the last 90 days, Aehr Test Systems insiders filed 0 open-market purchases and 13 sales; 262 institutions reported holding it in 13F filings for Q2 2026, worth $2.23B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Aehr Test Systems insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
13 filings
9 insiders, $18.9M in total
Insiders trading
9
Net value
−$18.9M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Aehr Test Systems, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Aehr Test Systems
NameTitleLast reported holdingLast filingFilings, past year
Wimmers DidierExecutive VP of R&D12,379Sep 3, 20268
Siu ChrisCFO77,328Sep 1, 202615
Rogers VernonExec VP of Sales & Mktg.186,232Aug 18, 202622
Engineer AdilChief Operating Officer46,477Aug 14, 202617
Slayen Howard TDirector140,667Aug 14, 20269
Posedel Rhea JDirector381,989IndirectAug 14, 202610
Salamone AlbertoEVP, PPBI BUSINESS41,962Aug 14, 202612
Erickson GaynPresident and CEO157,723IndirectAug 13, 202618
Scott Geoffrey GatesDirector10,000IndirectAug 13, 20268
Oliphant LauraDirector16,100Aug 13, 20268
Sporck Alistair NVP Contactor Business Unit22,547Aug 11, 202623
Richmond Donald P. IICTO186,567Jul 27, 202618
Danesh FaribaDirector14,801Jul 2, 20264
Ray-Chaudhuri Avijit K.Executive VP of R&D28,318Oct 29, 20240
Hendrickson David SFormer CTO84,783Jul 19, 20230
Spink Kenneth B.VP of Finance and CFO0Jul 19, 20230
Rosati Mario MDirector0IndirectJun 12, 20230
Brannan Michael A.Other: FORMER VP OF OPERATIONS0Jan 27, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Oct 24, 2022 (view filing)Oct 24Same dayOliphant LauraDirectorSSale−5.81K$22.00−$127.7K−20.6%22.4K after
Oct 26, 2022 (view filing)Oct 251 dayOliphant LauraDirectorSSale−1.08K$22.04−$23.9K−4.8%21.3K after
Oct 31, 2022 (view filing)Oct 283 daysRichmond Donald P. IIVP of EngineeringSSale−21.9K$21.00−$460.1K−10.2%193.4K after
Nov 14, 2022 (view filing)Nov 113 daysOliphant LauraDirectorSSale−6.73K$25.00−$168.3K−31.6%14.6K after
Nov 14, 2022 (view filing)Nov 113 daysSlayen Howard TDirectorSSale−19.9K$25.01−$497.4K−11.7%150.0K after
Nov 16, 2022 (view filing)Nov 14-152 daysSlayen Howard TDirectorSSale−28.1K$25.13−$706.4K−18.7%121.9K after2 lots
Nov 16, 2022 (view filing)Nov 151 dayRogers VernonExec. VP Sales and MarketingSSale−20.0K$26.32−$526.4K−21.9%71.1K after
Nov 16, 2022 (view filing)Nov 151 dayErickson GaynPresident and CEOSSale−69.7K$25.90−$1.80M−10.3%608.1K after
Nov 16, 2022 (view filing)Nov 151 dayScott Geoffrey GatesDirectorSSale−15.0K$25.21−$378.1K−9.4%144.7K after
Nov 23, 2022 (view filing)Nov 23Same dayOliphant LauraDirectorSSale−1.90K$27.00−$51.3K−13.1%12.7K after
Dec 2, 2022 (view filing)Dec 11 dayOliphant LauraDirectorSSale−3.47K$27.01−$93.8K−27.5%9.18K after
Jan 12, 2023 (view filing)Jan 102 daysScott Geoffrey GatesDirectorSSale−15.0K$27.29−$409.4K−11.6%114.7K after
Jan 13, 2023 (view filing)Jan 112 daysHendrickson David SCTOSSale−5.25K$28.71−$150.8K−5.1%98.6K after
Jan 13, 2023 (view filing)Jan 112 daysRosati Mario MDirectorSSale−41.8K$28.72−$1.20M−91.9%3.70K after
Jan 13, 2023 (view filing)Jan 112 daysPosedel Rhea JDirectorSSale−400$29.95−$12.0K−0.1%623.4K after
Jan 18, 2023 (view filing)Jan 135 daysErickson GaynPresident and CEOSSale−50.0K$30.00−$1.50M−8.3%553.1K after
Jan 18, 2023 (view filing)Jan 135 daysPosedel Rhea JDirectorSSale−19.6K$29.90−$586.0K−3.1%603.8K after
Jan 18, 2023 (view filing)Jan 135 daysDanesh FaribaDirectorSSale−2.33K$30.00−$69.9K−23.3%7.67K after
Jan 18, 2023 (view filing)Jan 135 daysRosati Mario MDirectorSSale−17.3K$28.64−$495.2K−25.7%50.1K after
Jan 19, 2023 (view filing)Jan 172 daysSporck Alistair NVP, CONTACTOR BUSINESS UNITSSale−499$28.79−$14.4K−3.4%14.1K after
Jan 24, 2023 (view filing)Jan 204 daysPosedel Rhea JDirectorSSale−40.0K$31.40−$1.26M−6.6%563.8K after2 lots
Jan 25, 2023 (view filing)Jan 232 daysPosedel Rhea JDirectorSSale−40.0K$33.90−$1.36M−7.1%523.8K after2 lots
Jan 25, 2023 (view filing)Jan 232 daysSporck Alistair NVP, CONTACTOR BUSINESS UNITSSale−470$34.52−$16.2K−3.5%13.1K after
Jan 26, 2023 (view filing)Jan 242 daysErickson GaynPresident and CEOSSale−50.5K$35.00−$1.77M−9.3%495.3K after
Jan 31, 2023 (view filing)Jan 274 daysRogers VernonExec. VP Sales and MarketingSSale−37.5K$35.39−$1.33M−35.0%69.8K after
Feb 1, 2023 (view filing)Jan 302 daysScott Geoffrey GatesDirectorSSale−25.0K$33.89−$847.3K−21.8%89.7K after
Feb 2, 2023 (view filing)Jan 312 daysOliphant LauraDirectorSSale−504$33.89−$17.1K−5.5%8.67K after
Feb 2, 2023 (view filing)Jan 312 daysRosati Mario MDirectorSSale−64.1K$34.23−$2.19M−94.5%3.70K after
Feb 2, 2023 (view filing)Jan 312 daysRosati Mario MDirectorSSale−27.0K$34.72−$937.4K−100.0%0 after
Feb 6, 2023 (view filing)Feb 24 daysRosati Mario MDirectorSSale−2.50K$36.27−$90.7K−67.5%1.20K after
Feb 6, 2023 (view filing)Feb 24 daysRosati Mario MDirectorSSale−47.9K$36.25−$1.74M−98.9%541 after
Feb 7, 2023 (view filing)Feb 3-64 daysRosati Mario MDirectorSSale−52.9K$36.19−$1.92M−35.1%98.1K after2 lots
Feb 8, 2023 (view filing)Feb 62 daysRichmond Donald P. IIVP of EngineeringSSale−30.0K$35.66−$1.07M−15.6%162.1K after
Feb 9, 2023 (view filing)Feb 72 daysRosati Mario MDirectorSSale−98.1K$36.42−$3.57M−100.0%0 after
Mar 3, 2023 (view filing)Mar 12 daysSpink Kenneth B.VP of Finance and CFOSSale−25.0K$35.22−$880.5K−20.0%99.9K after
Mar 27, 2023 (view filing)Mar 234 daysErickson GaynPresident and CEOSSale−50.0K$40.00−$2.00M−8.1%569.1K after10b5-1
Apr 10, 2023 (view filing)Apr 64 daysScott Geoffrey GatesDirectorSSale−30.0K$28.21−$846.3K−33.5%59.7K after
May 9, 2023 (view filing)May 54 daysSporck Alistair NVP, CONTACTOR BUSINESS UNITSSale−960$27.08−$26.0K−7.1%12.7K after
May 19, 2023 (view filing)May 172 daysPosedel Rhea JDirectorSSale−18.0K$29.00−$522.0K−26.9%49.0K after
Jun 12, 2023 (view filing)Jun 84 daysRosati Mario MDirectorSSale−1.20K$41.14−$49.4K−100.0%0 after
Jun 12, 2023 (view filing)Jun 66 daysLateRosati Mario MDirectorSSale−541$40.53−$21.9K−100.0%0 after
Jul 17, 2023 (view filing)Jul 143 daysErickson GaynPresident and CEOSSale−50.0K$45.00−$2.25M−8.3%550.0K after
Jul 19, 2023 (view filing)Jul 172 daysErickson GaynPresident and CEOSSale−123.8K$51.29−$6.35M−22.7%421.1K after
Jul 19, 2023 (view filing)Jul 172 daysHendrickson David SFormer CTOSSale−28.0K$51.45−$1.44M−24.8%84.8K after
Jul 19, 2023 (view filing)Jul 172 daysSpink Kenneth B.VP of Finance and CFOSSale−36.5K$51.39−$1.88M−100.0%0 after
Jul 19, 2023 (view filing)Jul 17-182 daysPosedel Rhea JDirectorSSale−100.0K$51.85−$5.18M−18.9%428.8K after2 lots
Jul 20, 2023 (view filing)Jul 182 daysRogers VernonExec. VP Sales and MarketingSSale−40.0K$50.24−$2.01M−52.3%36.4K after
Jul 25, 2023 (view filing)Jul 214 daysScott Geoffrey GatesDirectorSSale−10.2K$48.25−$492.5K−17.1%49.5K after
Jul 27, 2023 (view filing)Jul 252 daysSlayen Howard TDirectorSSale−14.6K$51.91−$760.4K−7.1%192.2K after
Jul 31, 2023 (view filing)Jul 274 daysSlayen Howard TDirectorSSale−5.35K$52.82−$282.7K−2.8%186.9K after