Filing Flows › Deep Isolation Nuclear (DBHL) › Q4 2025
Deep Isolation Nuclear (DBHL) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Mar 30, 2026
Deep Isolation Nuclear (DBHL) reported revenue of $1.3M for the fourth quarter 2025 (Q4 2025), -17% from a year earlier and -23% from the quarter before. Operating margin was -207.9%, net loss $2.5M (192.5% of revenue).
Deep Isolation Nuclear, Q4 2025: revenue $1.3M (-17% year over year), operating margin -207.9%, net loss $2.5M, operating cash flow −$701K. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $1.3M | -23% | -17% |
| Operating profit | −$2.7M | — | — |
| Net earnings | −$2.5M | — | — |
| Operating cash flow | −$701K | — | — |
What changed
Revenue was $1.3M in Q4 2025, down 17% year over year and down 23% from the previous quarter.
Gross margin was 60.3%, up 12.4 points from Q4 2024. Operating costs exceeded revenue by $2.7M, an operating margin of -207.9%. Operating expenses grew 145% against a revenue fall of 17%. The fastest-growing cost line was Research & development (+169%). The quarter ended with a net loss of $2.5M, wider than the previous quarter's $1.3M loss.
Operating cash flow was −$701K. Non-cash charges added back $27K of depreciation and amortization and $226K of share-based compensation. Working capital and other items added $1.5M. Capital expenditures of $67K exceeded it, leaving free cash flow of −$768K.
Questions
What was Deep Isolation Nuclear's revenue in the fourth quarter 2025?
Deep Isolation Nuclear (DBHL) reported revenue of $1.3M for the fourth quarter 2025 (Q4 2025), -17% from a year earlier and -23% from the quarter before.
Was Deep Isolation Nuclear profitable in the fourth quarter 2025?
Operating loss was $2.7M (-207.9% of revenue) and net loss $2.5M.