Key facts
- It has raised $130K; the latest was Angel (individual) ($130K) in Nov 2025.
- Notable investors include United States Department of Agriculture, U.S. Environmental Protection Agency.
- Status: Privately Held (backing).
- ·The complete investor list — 2 names
- ·Watchlist + deal alerts for Fourth State
- ·The full record, as it builds
Funding rounds
No funding rounds for Fourth State are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Fourth State
Developer of a plasma reactor designed to destroy PFAS and remove heavy metals in landfill leachate and other wastewater. The company offers a plasma reactor that treats landfill leachate, extracting rate constants for PFAS destruction, which will be used to inform the scale-up from the laboratory batch reactor to a scalable continuous flow reactor amenable to commercialization, thereby helping clients address the issue of PFAS treatment in complex water matrices.
- Sector
- Business Products and Services (B2B)
- HQ
- Ann Arbor, MI, United States
- Founded
- 2022
- Employees
- 3
- Website
- fourthstatetech.com/
- Ownership
- Privately Held (backing)
Fourth State doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Fourth State shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Fourth State in its N-PORT filings yet. We sweep new filings monthly.