Compact Membrane Systems
New Castle, US · Delaware corporation
Founders & leadership
EN
Erica NemserExecutive Officer, Director
BC
Bill CharltonExecutive Officer
BN
Bennett NemserDirector
GR
Guido RadaelliDirector
CE
Chris EricksonDirector
TS
Tony SunDirector
Reported raises · per SEC filings
Form D private placements▶$10.3MraisedDec 2025 · 4 investors · Other TechnologyRule 506(b)
▶$10.3MraisedDec 2025 · 4 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Guido RadaelliDirector
- Chris EricksonDirector
- Tony SunDirector
- Erica NemserExecutive Officer, Director
- Offering amount
- $20M
- Amount sold
- $10.3M
- First sale
- Nov 2025
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$16.5MraisedAug 2023 · 5 investors · Other TechnologyRule 506(b)
▶$16.5MraisedAug 2023 · 5 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Erica NemserExecutive Officer, Director
- Bill CharltonExecutive Officer
- Chris EricksonDirector
- Bennett NemserDirector
- Offering amount
- $18.9M
- Amount sold
- $16.5M
- First sale
- Apr 2023
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Non-dilutive funding · 50+ SBIR/STTR awards
Federal grants — no equity takenSource: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.