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Radiant Industries, Incorporated

El Segundo, CA · Founded 2019 · Energy · Private

Portable nuclear microreactor (1.2MWe) in shipping container for remote power generation

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Updated · radiantnuclear.com

Sector
Energy
Headquarters
El Segundo, CA
Founded
2019
Latest Form D
$269M, Dec 2025
Total capital
$491M
Federal grants
$2.6M
4 awards · 2021–2023
Rank in peer group#32 of 39
Private capital raised
$488M
5 Form D · last Dec 2025
10 months since last filing
Federal contracts
None on recordNo federal contract awards found.
Granted patents
2
9 pending · first 2023
Rank in peer group#13 of 39

Capital timeline

20212022202320242025FEDERAL ↑EQUITY ↓Cumulative $491M$45K$199K$1.2M$1.1M1st Form D$12.6M2nd Form D$40.7M3rd Form D$100M
20212022202320242025FEDERAL ↑EQUITY ↓Cumulative $491M$45K$199K$1.2M$1.1M3rd Form D$100M

Latest events

  • Private capital raisedForm D · SEC · 5th filing$269M
  • Private capital raisedForm D · SEC · 4th filing$66M
  • Private capital raisedForm D · SEC · 3rd filing$100M
  • Federal grantEnergy · Phase II · TRISO Fuel Qualification Modeling and Experiment Design$1.1M
  • Private capital raisedForm D · SEC · 2nd filing$40.7M
  • Federal grantDefense · Phase II · Nuclear Microreactor Installation Energy Resilience$1.2M
  • Federal grantEnergy · Phase I · 36b - Multi-physics multi-scale (MPMS) approach to TRISO fuel performance modeling using NEAMS Code Results for Risk-Informed Regulatory Analysis$199K
  • Private capital raisedForm D · SEC · 1st filing$12.6M
Show 1 earlier federal award
  • Federal grantDefense · Phase I · Portable Microreactor Fleet Simulation$45K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Federal first

10months

from Radiant Industries, Incorporated’s first federal award to its first private round.

First federal award · Apr 2021
Defense · $45K
First Form D · Mar 2022
$12.6M · 1st Form D
Awards before first raise
1 award

An association in public records, not a cause or a prediction.

Standing among 39 peers

Line = median

Energy · Device

  • Federal grantsBelow median
  • Granted patents#13 · top 33%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

Researcher links verified by same-company patents and grants
  • Robert UrbergerResearcherExecutive Officer, DirectorLinked by $1.3M in grants as PI
  • DAVID ULEVITCHDirectorNamed in SEC Form D filings
  • Douglas BernauerExecutive Officer, Director, PromoterNamed in SEC Form D filings
  • Mike StarrettExecutive OfficerNamed in SEC Form D filings
  • Paul A. KeutelianExecutive Officer, DirectorNamed in SEC Form D filings
  • Rachel SlaybaughDirectorNamed in SEC Form D filings
Show all 9 people
  • Rita BaranwalExecutive OfficerNamed in SEC Form D filings
  • STEPHEN BURNSDirectorNamed in SEC Form D filings
  • Victoria ShivanandanExecutive OfficerNamed in SEC Form D filings

What it has protected

USPTO · 2 granted of 11
  • PendingNuclear Reactor System With Lift-out Core AssemblyUSPTOApplication 18950483
  • GrantedMethod For Replacing Nuclear Reactor CoreUSPTOUS 12,148,539
  • PendingNuclear Reactor System With Lift-out Core AssemblyUSPTOApplication 18123949
Show all 11 patent records
  • Nuclear Reactor System With Lift-out Core AssemblyApr 30, 2026 · Application 18950483Pending
  • Method For Replacing Nuclear Reactor CoreNov 19, 2024 · US 12,148,539Granted
  • Nuclear Reactor System With Lift-out Core AssemblyAug 24, 2023 · Application 18123949Pending
  • Nuclear Reactor System With Lift-out Core AssemblyMar 21, 2023 · US 11,610,694Granted
  • System And Method For Deploying And Operating A Nuclear Reactor SystemJun 30, 2022 · Application 17566917Pending
  • Compact Nuclear Reactor SystemMay 12, 2022 · Application 17522678Pending
  • Nuclear Reactor System With Lift-out Core AssemblyApplication PCTUS2021045401Pending
  • System And Method For Deploying And Operating A Nuclear Reactor SystemApplication 63133188Pending
  • Dynamic Isolation ReactorApplication 63111517Pending
  • Graded Pitch Core For Nuclear ReactorApplication 63066088Pending
  • Nuclear Reactor System With Lift-out Core AssemblyApplication 63064308Pending

Related companies, and why

  • SCIENTECH INCSimilar federal contract value in Energy · null in contracts
  • Lionano, Inc.Similar federal contract value in Energy · null in contracts
  • IntriEnergy, Inc.Similar federal contract value in Energy · null in contracts
  • VERDANT POWER, INC.Similar federal contract value in Energy · null in contracts
  • Fastcap Systems CorporationSimilar federal contract value in Energy · null in contracts
  • Eiq Energy, Inc.Similar federal contract value in Energy · null in contracts

Regulatory activity · Energy

Sector-level, not company-level

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through . SBIR and STTR awards through .