/Companies

Clean

Baltimore, US · Founded 2019 · 6 known investors

Find your way into Clean

Sign up to see every warm intro you have to Clean

  • Paths you didn't know you had: your email and LinkedIn already hold routes to the Clean team. We find them for you
  • 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
  • Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone

Days of research, done the moment you sign in, with every route ranked by how warm it is.

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.

GS
Geoff StupayCo-founder
SD
Seth DemseyCo-founder
AS
Alexey StoletnyCo-founder
MG
Matt GillisExecutive
JC
Jay CrystalExecutive
DS
Doug StupayExecutive

Board

CMChip Meakem
Chip MeakemBoard directorCo-Founder and Partner at Tribeca Venture Partners

Investors · 6

Also in the syndicate · 1

Stakeboat Capitallead

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 2019
    Source ↗
▶$5MraisedAug 2020 · 19 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • 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
Full filing on SEC EDGAR ↗

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.