Deep Isolation’s S-1 approved by SEC, preparing to trade

Nucleation portfolio company, Deep Isolation Nuclear, announced the registration of its S-1 by SEC as of May 8th, which will finally allow the company's shares to commence trading.

This news was shared by the company along with a number of other updates during what became the company's first investor call as a public company on May 14, 2026.

We are pleased to share that, after an extended delay, the SEC has finally declared Deep Isolation's registration statement effective, which allows the company to achieve initial liquidity. The company is now working with the OTC Markets Group to arrange for the company's common stock to be traded on the OTCQB (Quebec) exchange. We will be sending out a notification regarding this liquidity event to appropriate LPs in the coming days.

Among the highlights shared by the company for the first quarter of 2026 were:

The launch of the company's non-radiactive, full-scale, at depth demonstration project at the Halliburton Drilling Technology facility near Cameron, Texas.
Selection into ARPA-e’s SCALEUP Ready program, providing up to $20 million to accelerate market adoption of Deep Isolation’s deep borehole waste disposal technology and the first time a company in the nuclear industry has been selected to participate.
The appointments of a General Counsel, a Chief Financial Officer, a new Board Director and new Advisor.
Revenue of $1.4 million, a net loss of $5.4 million for the quarter, with 3/31/26 cash remaining of $22 million.

Please read more at the company's press release "Deep Isolation Nuclear, Inc. Reports Operational and Financial Results for the first quarter of 2026."

Published by Nucleation Capital in Advanced Nuclear, Company Milestone, Fission, Government, NEWS, Nuclear R&D, Nuclear waste, Portfolio Venture, Private companies, Reduced ecosystem impacts, Solving nuclear waste, US competitiveness, US technological leadership

February 2, 2026

Deep Isolation Launches Borehole Disposal Demonstration Program ()

Portfolio company, Deep Isolation, launches its Full-Scale, At-Depth Demonstration Program to advance its deep borehole nuclear waste disposal technology and generate operational data to support regulatory confidence, following the completion Project UPWARDS announced in December last year.

Published by Nucleation Capital in Advanced Nuclear, Company Milestone, Department of Energy, NEWS, Nuclear R&D, Nuclear waste, Portfolio Venture, Private companies, Reduced ecosystem impacts, Solving climate, Solving nuclear waste, US competitiveness, US technological leadership

May 14, 2025

Deep Isolation Demonstrates Viable Nuclear Waste Solution ()

Deep Isolation has successfully completed Project PUCK, an initiative to demonstrate the feasibility and commercial readiness of its Universal Canister System (UCS) to manage TRISO spent nuclear fuel. Deep Isolation worked with advanced reactor company Kairos Power to conceptually evaluate the use of TRISO pebble fuel, affirming the UCS as a safe, scalable solution of deep borehole disposal for next-generation reactors.

Published by Nucleation Capital in Advanced Nuclear, Advanced Nuclear Customers, Energy transition, Fission, Future of Energy, Government support, NEWS, Nuclear competitiveness, Nuclear R&D, Nuclear waste, Portfolio Venture, Private companies, Uranium & Mining, US competitiveness, US technological leadership, Women in Nuclear

March 31, 2022

Deep Isolation

Deep Isolation – A Berkeley, California and Austin, Texas-based developer of deep geologic borehole technology for the temporary or permanent storage of nuclear waste, in boreholes drilled in closer proximity to nuclear power plants.

Published by Nuclea_Admin in PORTFOLIO