Aehr Test Systems
NASDAQ: AEHRFremont, US · California corporation
Aehr Test Systems designs and sells wafer-level, singulated-die, and module test and burn-in equipment (including FOX-XP, FOX-NP, FOX-CP, and Sonoma systems with WaferPak and DiePak consumables) used to screen semiconductors for reliability. Its systems serve chip and device makers producing silicon carbide power devices, silicon photonics, gallium nitride, AI/data center processors, and automotive and mobile sensors.
Founders & leadership
RP
Rhea PosedelinFounder
KS
Kunio SanoExecutive
MA
Mark AllisonExecutive
CB
Carl BuckExecutive
KS
Ken SpinkExecutive
DH
David HendricksonExecutive
GE

Gayn EricksoninExecutive
MP
Mukesh PatelResigned 12/3/14
DL
David L. FucciNamed on SEC filing
Board
MR
Mario RosatiBoard director
JS
John SchneiderBoard director
RA
Robert AndersonBoard director
Reported raises · per SEC filings
Form D private placements$14.6M disclosed across 3 rounds · 2014–2016
▶$5.9MraisedOct 2016 · 10 investors · Other TechnologyRule 506(b)
▶$5.9MraisedOct 2016 · 10 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Mario RosatiDirector
- Robert AndersonDirector
- John SchneiderDirector
- Gayn EricksonExecutive Officer, Director
- Ken SpinkExecutive Officer
- David FucciExecutive Officer
- David HendricksonExecutive Officer
- Howard SlayenDirector
- William ElderDirector
- Kunio SanoExecutive Officer
- Carl BuckExecutive Officer
- Mark AllisonExecutive Officer
- Rhea PosedelDirector
- Offering amount
- $5.9M
- Amount sold
- $5.9M
- Sales commissions
- $409.6K
- Placement agents
- Craig-Hallum Capital Group LLC
- First sale
- Sep 2016
- Incorporated
- Corporation, California
- Federal exemptions
- 06b
▶$6.1MraisedJan 2016 · 2 investors · Other TechnologyRule 506(b)
▶$6.1MraisedJan 2016 · 2 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Kunio SanoExecutive Officer
- Mark AllisonExecutive Officer
- Carl BuckExecutive Officer
- Mario RosatiDirector
- John SchneiderDirector
- Robert AndersonDirector
- Ken SpinkExecutive Officer
- David HendricksonExecutive Officer
- William W. R. ElderDirector
- Gayn EricksonExecutive Officer, Director
- Howard SlayenDirector
- Rhea PosedelDirector
- David L. FucciExecutive Officer
- Offering amount
- $6.1M
- Amount sold
- $6.1M
- First sale
- Apr 2015
- Incorporated
- Corporation, California
- Federal exemptions
- 06b
▶$2.6MraisedDec 2014 · 14 investors · Other TechnologyRule 506(b)
▶$2.6MraisedDec 2014 · 14 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Mukesh PatelDirector
- Rhea PosedelDirector
- David HendricksonExecutive Officer
- Mark AllisonExecutive Officer
- Robert AndersonDirector
- Kunio SanoExecutive Officer
- Gayn EricksonExecutive Officer, Director
- Mario RosatiDirector
- Howard SlayenDirector
- William W. R. ElderDirector
- David L. FucciExecutive Officer
- Carl BuckExecutive Officer
- John SchneiderDirector
- Gary LarsonExecutive Officer
- Offering amount
- $2.6M
- Amount sold
- $2.6M
- First sale
- Nov 2014
- Incorporated
- Corporation, California
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does Aehr Test Systems do?
- Aehr Test Systems designs and sells wafer-level, singulated-die, and module test and burn-in equipment (including FOX-XP, FOX-NP, FOX-CP, and Sonoma systems with WaferPak and DiePak consumables) used to screen semiconductors for reliability. Its systems serve chip and device makers producing silicon carbide power devices, silicon photonics, gallium nitride, AI/data center processors, and automotive and mobile sensors.
- Who founded Aehr Test Systems?
- Aehr Test Systems was founded by Rhea Posedel.
- How much funding has Aehr Test Systems raised?
- Aehr Test Systems has disclosed $14.6M raised across 3 rounds.
- Where is Aehr Test Systems headquartered?
- Aehr Test Systems is headquartered in Fremont, US.


