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Reg D 506(c)TRL43.3–4.7Tier IOpen

Kestrel Fast Systems

Kestrel Fast Systems

A lead-bismuth fast reactor that eats spent fuel. Accredited investors only.

Spent fuel is only waste if you cannot burn it. A fast spectrum can, and lead-bismuth eutectic gives high boiling point coolant at atmospheric pressure. Kestrel has validated cladding compatibility in a flowing loop at temperature. The offering runs concurrently with a Reg CF community round planned for the Richland host community, permitted under Rule 152.

Columbia Basin Technology Park · Richland, WAPre-applicationEscrow: Meridian Trust, N.A.
TRL 4 of 9, band 3.3 to 4.7, signed by Dr. Helena Vargas-Mbeki, PE, Nuclear; former NRC senior reactor analyst, on Apr 20, 2026.See the evidence it rests on

$18,050,000 committed of $25,000,000

$5,415,000 released · 72% subscribed

Released to the issuerCommitted, held in escrowRemaining
Minimum
$25,000

$1,000 per unit

Target coupon
5.00%

Annual, fixed

Term
5 yr
Investors
74

Closes September 30, 2026 · 17 days remaining

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Use of proceeds

  • 38%Fuel qualification program
  • 31%Heavy liquid metal test facility
  • 18%Pre-application licensing
  • 13%Team and working capital

The issuer

Lead-bismuth cooled fast reactor designed to consume reprocessed spent fuel, turning a waste liability into a fuel supply.

Legal name
Kestrel Fast Systems, Inc.
Entity
Delaware C-corporation
Jurisdiction
Washington
Founded
2020

  • Anneke de VriesChief Executive Officer

    Fast reactor fuel cycle analyst, previously with a European heavy liquid metal research consortium.