Deep Isolation Nuclear, Inc.

Earlier extract: rmitted. SUBJECT TO COMPLETION, DATED FEBRUARY 17, 2026 PRELIMINARY PROSPECTUS 58,506,213 Shares of Common Stock This prospectus relates to the offering and resale by the selling stockholders identified herein of up to 58,506,213 shares of common stock, par va

Later extract: not permitted. SUBJECT TO COMPLETION, DATED MAY 6, 2026 PRELIMINARY PROSPECTUS 58,506,213 Shares of Common Stock This prospectus relates to the offering and resale by the selling stockholders identified herein of up to 58,506,213 shares of common stock, par va

Earlier extract: RISK FACTORS 11 DESCRIPTION OF THE MERGER, PRIVATE PLACEMENT AND RELATED TRANSACTIONS 32 USE OF PROCEEDS 37 DIVIDEND POLICY 37 DETERMINATION OF SALE PRICE 37 MARKET INFORMATION FOR OUR COMMON STOCK 37 DESCRIPTION OF BUSINESS 38 MANAGEMENT’S DISCUSSION AN

Later extract: RISK FACTORS 12 DESCRIPTION OF THE MERGER, PRIVATE PLACEMENT AND RELATED TRANSACTIONS 36 USE OF PROCEEDS 41 DIVIDEND POLICY 41 DETERMINATION OF SALE PRICE 41 MARKET INFORMATION FOR OUR COMMON STOCK 41 DESCRIPTION OF BUSINESS 42 MANAGEMENT’S DISCUSSION AN

Earlier extract: initial public offering and ending on the date specified by the Company and the managing underwriter, with such period not to exceed 180 days, each as further described in the ROFR Agreement. 85 ● Pursuant to the terms of the Voting Agreement, the Stockh

Later extract: initial public offering and ending on the date specified by the Company and the managing underwriter, with such period not to exceed 180 days, each as further described in the ROFR Agreement. ● Pursuant to the terms of the Voting Agreement, the Stockhold

Earlier extract: mitted. SUBJECT TO COMPLETION, DATED SEPTEMBER 30, 2025 PRELIMINARY PROSPECTUS 58,506,213 Shares of Common Stock This prospectus relates to the offering and resale by the selling stockholders identified herein of up to 58,506,213 shares of common stock, par va

Later extract: rmitted. SUBJECT TO COMPLETION, DATED FEBRUARY 17, 2026 PRELIMINARY PROSPECTUS 58,506,213 Shares of Common Stock This prospectus relates to the offering and resale by the selling stockholders identified herein of up to 58,506,213 shares of common stock, par va

Earlier extract: ares of common stock pursuant to this prospectus at a fixed price of $3.00 per share, the price per share in the Private Placement discussed above, for a total offering amount of $175,518,639. At and after such time, the selling stockholders may sell all or a

Later extract: ares of common stock pursuant to this prospectus at a fixed price of $3.00 per share, the price per share in the Private Placement At $3.00 per share, the total offering amount for all shares covered by this prospectus would be $175,518,639. If the common stoc

Earlier extract: 7 RISK FACTORS 9 DESCRIPTION OF THE MERGER, PRIVATE PLACEMENT AND RELATED TRANSACTIONS 30 USE OF PROCEEDS 35 DIVIDEND POLICY 35 DETERMINATION OF SALE PRICE 35 MARKET INFORMATION FOR OUR COMMON STOCK 35 DESCRIPTION OF BUSINESS 36 MANAGEMENT’S DISCUSSION A

Later extract: RISK FACTORS 11 DESCRIPTION OF THE MERGER, PRIVATE PLACEMENT AND RELATED TRANSACTIONS 32 USE OF PROCEEDS 37 DIVIDEND POLICY 37 DETERMINATION OF SALE PRICE 37 MARKET INFORMATION FOR OUR COMMON STOCK 37 DESCRIPTION OF BUSINESS 38 MANAGEMENT’S DISCUSSION AN

Earlier extract: initial public offering and ending on the date specified by the Company and the managing underwriter, with such period not to exceed 180 days, each as further described in the ROFR Agreement. Pursuant to the terms of the Rights Agreement, the Company granted c

Later extract: initial public offering and ending on the date specified by the Company and the managing underwriter, with such period not to exceed 180 days, each as further described in the ROFR Agreement. 85 ● Pursuant to the terms of the Voting Agreement, the Stockh