NexEos Diagnostics
Chester Springs, US · Founded 2019 · Delaware corporation
Healthtech
Founders & leadership
TM
Theresa MansiExecutive Officer
ST
Stephen TullmanExecutive Officer, Director
DL
Dennis LangerDirector
JH
Jeff HimawanDirector
CM
Christopher MolineauxDirector
LM
Louis ManziDirector
NS
Nicholas SicilianoDirector
Reported raises · per SEC filings
Form D private placements▶$3MraisedFeb 2026 · 19 investors · Other Health CareRule 506(b)
▶$3MraisedFeb 2026 · 19 investors · Other Health Care
Rule 506(b)Officers, directors & promoters on the filing
- Theresa MansiExecutive Officer
- Christopher MolineauxDirector
- Louis ManziDirector
- Dennis LangerDirector
- Jeff HimawanDirector
- Stephen TullmanExecutive Officer, Director
- Nicholas SicilianoDirector
- Offering amount
- $3M
- Amount sold
- $3M
- First sale
- Feb 2026
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$4.9MraisedJun 2024 · 22 investors · Other Health CareRule 506(b)
▶$4.9MraisedJun 2024 · 22 investors · Other Health Care
Rule 506(b)Officers, directors & promoters on the filing
- Louis ManziDirector
- Jeff HimawanDirector
- Nicholas SicilianoDirector
- Dennis LangerDirector
- Christopher MolineauxDirector
- Stephen TullmanExecutive Officer, Director
- Offering amount
- $4.9M
- Amount sold
- $4.9M
- Minimum investment
- $10K
- First sale
- May 2024
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$5.1MraisedFeb 2023 · 19 investors · Other Health CareRule 506(b)
▶$5.1MraisedFeb 2023 · 19 investors · Other Health Care
Rule 506(b)Officers, directors & promoters on the filing
- Stephen TullmanExecutive Officer, Director
- Nicholas SicilianoDirector
- Louis ManziDirector
- Dennis LangerDirector
- Jeff HimawanDirector
- Christopher MolineauxDirector
- Offering amount
- $5.1M
- Amount sold
- $5.1M
- Minimum investment
- $10K
- Proceeds to insiders
- $300K
- First sale
- Feb 2023
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$9.7MraisedOct 2021 · 21 investors · Other Health CareRule 506(b)
▶$9.7MraisedOct 2021 · 21 investors · Other Health Care
Rule 506(b)Officers, directors & promoters on the filing
- Nicholas SicilanoDirector
- Dennis LangerDirector
- Christopher MolineauxDirector
- Louis ManziDirector
- Theresa MansiExecutive Officer, Director
- Jeffrey HimawanDirector
- Stephen TullmanDirector
- Offering amount
- $9.7M
- Amount sold
- $9.7M
- Minimum investment
- $20K
- Proceeds to insiders
- $300K
- First sale
- Oct 2021
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
▶$3MraisedJul 2019 · 4 investors · Other Health CareRule 506(b)
▶$3MraisedJul 2019 · 4 investors · Other Health Care
Rule 506(b)Officers, directors & promoters on the filing
- Stephen TullmanExecutive Officer, Director
- Theresa MansiExecutive Officer, Director
- Offering amount
- $5.5M
- Amount sold
- $3M
- Minimum investment
- $20K
- Proceeds to insiders
- $400K
- First sale
- Jul 2019
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Non-dilutive funding · 2 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| National Institutes of Health (NIH)National Institutes of Health | Phase I | 2021 | $590.6K |
| National Institutes of Health (NIH)National Institutes of Health | Phase I | 2020 | $300K |
Source: 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.