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Who

Howard T. Slayen

Director

Company insider

Files Form 4 as: Director, Aehr Test Systems; Director, Stonemor Partners LP; Director, Lantronix; Director, Netopia.

In numbers

Trades disclosed
176
Buys
18
Sells
19
Bought
$546K
Sold
$15.5M
Companies
4
Companies where not an officer
4
First trade
11 Nov 2002
Last trade
14 Aug 2026
Last filed
14 Aug 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
AEHR Aehr Test SystemsDirector · Life-science tools · last 14 Aug 20267 buys · 19 sells
Stonemor Partners LPDirector · last 1 Jul 20140 buys · 0 sells
LTRX LantronixDirector · Hardware, Devices & Storage · last 15 Nov 201111 buys · 0 sells
NetopiaDirector · last 6 Feb 20070 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
14 Aug 2026filed 14 Aug 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$758K5,700 at $133.03filing
14 Aug 2026filed 14 Aug 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$758K5,700 at $133.03filing
4 Aug 2026filed 4 Aug 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$2.2M20,000 at $108.30filing
4 Aug 2026filed 4 Aug 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$2.2M20,000 at $108.30filing
30 Jul 2026filed 30 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code G—5,000 at $0.00filing
30 Jul 2026filed 30 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code G—5,000 at $0.00filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code A—1,658 at $0.00filing
1 Jul 2026filed 2 Jul 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code A—1,658 at $0.00filing
13 May 2026filed 15 May 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$714K6,819 at $104.73filing
13 May 2026filed 15 May 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$714K6,819 at $104.73filing
22 Apr 2026filed 22 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code G—1,800 at $0.00filing
22 Apr 2026filed 22 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code G—1,800 at $0.00filing
17 Apr 2026filed 17 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$2.1M25,000 at $85.00filing
17 Apr 2026filed 17 Apr 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Sold$2.1M25,000 at $85.00filing
4 Feb 2026filed 4 Feb 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code G—5,000 at $0.00filing
4 Feb 2026filed 4 Feb 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code G—5,000 at $0.00filing
4 Feb 2026filed 4 Feb 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code G—5,000 at $0.00filing
4 Feb 2026filed 4 Feb 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code G—5,000 at $0.00filing
4 Feb 2026filed 4 Feb 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code G—5,000 at $0.00filing
4 Feb 2026filed 4 Feb 2026AEHR Aehr Test SystemsLife-science toolsSEC FORM 4 Code G—5,000 at $0.00filing

Sectors

Health Care26
Technology11

Buys in green, sells in red, by the company’s sector.

Related people

Rhea J. PosedelDirector · Director at Aehr Test Systems, filing Form 4 there in the last year
Gayn EricksonPresident and CEO · President and CEO at Aehr Test Systems, filing Form 4 there in the last year
Chris SiuCFO · CFO at Aehr Test Systems, filing Form 4 there in the last year
Donald P. Richmond IICTO · CTO at Aehr Test Systems, filing Form 4 there in the last year
Vernon RogersExec VP of Sales & Mktg. · Exec VP of Sales & Mktg. at Aehr Test Systems, filing Form 4 there in the last year
Saleel AwsarePresident & CEO · Also traded LTRX in the last 90 days
Alberto SalamoneEVP, Ppbi Business · Also traded AEHR in the last 90 days
Adil EngineerChief Operating Officer · Also traded AEHR in the last 90 days