Subsalt
Charlotte, US · Founded 2021 · 8 employees on LinkedIn · 5 known investors
Subsalt provides de-identified clinical data to healthcare research and data teams through statistically faithful synthetic datasets and a secure runtime for running code against real patient data. It targets governance and compliance bottlenecks in health data access, delivering audited, publication-ready results.
Founders & leadership
Subsalt was founded in 2021 by Benjamin Winokur.
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Benjamin WinokurFounder
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Albert Lucas SegarsNamed on SEC filing
DS
David SingletaryNamed on SEC filing
Board
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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 provides de-identified clinical data to healthcare research and data teams through statistically faithful synthetic datasets and a secure runtime for running code against real patient data. It targets governance and compliance bottlenecks in health data access, delivering audited, publication-ready results.
- 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.


