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

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."