Clean
Baltimore, US · Founded 2019 · 6 known investors
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HUMAN provides malvertising detection and prevention for publishers and ad platforms, using behavioral analysis and threat intelligence to identify and block malicious ads and landing pages in real-time.
Founders & leadership
Clean was founded in 2019 by Geoff Stupay, Seth Demsey, and Alexey Stoletny.
Board

Investors · 6
How we know: funding news · Not right? Tell us
How we know: funding news · Not right? Tell us
How we know: press coverage · Not right? Tell us
Also in the syndicate · 1
Funding
SEC filings, press & company announcements$5M disclosed across 1 of 4 rounds · 2019–2026
- Undisclosed amountSeries BJul 2026
Stakeboat Capital (lead)
Source ↗ - Undisclosed amountSeries AJan 2019Source ↗
▶$5MraisedAug 2020 · 19 investors · Other TechnologyRule 506(b)
- Geoff StupayExecutive Officer, Director
- Seth DemseyDirector
- Alexey StoletnyExecutive Officer
- Matt GillisExecutive Officer, Director
- Chip MeakemDirector
- Jay CrystalExecutive Officer, Director
- Doug StupayExecutive Officer
- Offering amount
- $5M
- Amount sold
- $5M
- First sale
- Aug 2020
- Incorporated
- Corporation, Delaware, 2019
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Frequently asked questions
- What does Clean do?
- HUMAN provides malvertising detection and prevention for publishers and ad platforms, using behavioral analysis and threat intelligence to identify and block malicious ads and landing pages in real-time.
- Who founded Clean?
- Clean was founded by Geoff Stupay, Seth Demsey, Alexey Stoletny in 2019.
- Who are Clean's investors?
- Clean's investors include Inner Loop Capital, Alkemi Growth Capital, Blue Ashva Capital, Info Edge Ventures, Tribeca Venture Partners.
- How much funding has Clean raised?
- Clean has disclosed $5M raised across 1 of its 4 known rounds.
- Where is Clean headquartered?
- Clean is headquartered in Baltimore, US.



