Subsalt
Charlotte, US · Founded 2021 · 5 known investors
Subsalt builds data infrastructure that certifies de-identification at the infrastructure level, letting healthcare data and legal teams gain fast, compliant access to clinical data. It targets healthcare organizations needing to unlock governed clinical datasets while meeting privacy and compliance requirements.
AI & Machine LearningData & InfrastructureDigital HealthHealthtech
Founders & leadership
Subsalt was founded in 2021 by Benjamin Winokur.
BW
Benjamin WinokurFounder
AL
Albert Lucas SegarsNamed on SEC filing
DS
David SingletaryNamed on SEC filing
Board
DF
Investors · 5
Reported raises · per SEC filings
Form D private placements$7.8M disclosed across 4 rounds · 2021–2026
▶$2.9MraisedApr 2026 · 6 investors · Other TechnologyRule 506(b)
▶$2.9MraisedApr 2026 · 6 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- David FrankelDirector
- Albert Lucas SegarsExecutive Officer, Promoter
- Benjamin WinokurExecutive Officer, Director, Promoter
- Offering amount
- $3.1M
- Amount sold
- $2.9M
- Minimum investment
- $10K
- First sale
- Mar 2026
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b, 4a5
▶$100KraisedApr 2026 · 2 investors · Other TechnologyRule 506(b)
▶$100KraisedApr 2026 · 2 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- David FrankelDirector
- Albert Lucas SegarsExecutive Officer, Promoter
- Benjamin WinokurExecutive Officer, Director, Promoter
- Offering amount
- $100K
- Amount sold
- $100K
- Minimum investment
- $50K
- First sale
- Sep 2025
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b, 4a5
▶$4.3MraisedNov 2022 · 20 investors · Other TechnologyRule 506(b)
▶$4.3MraisedNov 2022 · 20 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Albert Lucas SegarsExecutive Officer, Promoter
- Benjamin WinokurExecutive Officer, Director, Promoter
- David FrankelDirector
- Offering amount
- $4.3M
- Amount sold
- $4.3M
- Minimum investment
- $1K
- First sale
- Nov 2022
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b, 4a5
▶$400KraisedNov 2021 · 1 investors · Other TechnologyRule 506(b)
▶$400KraisedNov 2021 · 1 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Albert Lucas SegarsExecutive Officer, Promoter
- David SingletaryExecutive Officer, Promoter
- Benjamin WinokurExecutive Officer, Director, Promoter
- Offering amount
- $800K
- Amount sold
- $400K
- Minimum investment
- $10K
- First sale
- Oct 2021
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b, 4a5
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Frequently asked questions
- What does Subsalt do?
- Subsalt builds data infrastructure that certifies de-identification at the infrastructure level, letting healthcare data and legal teams gain fast, compliant access to clinical data. It targets healthcare organizations needing to unlock governed clinical datasets while meeting privacy and compliance requirements.
- Who founded Subsalt?
- Subsalt was founded by Benjamin Winokur in 2021.
- Who are Subsalt's investors?
- Subsalt's investors include Bow Capital, Data Tech, Founder Collective, Grotech Ventures, Rackhouse Venture Management Lp.
- How much funding has Subsalt raised?
- Subsalt has disclosed $7.8M raised across 4 rounds.
- Where is Subsalt headquartered?
- Subsalt is headquartered in Charlotte, US.