# EDGAR Filing Document

**Accession Number:** 0001918080
**File Stem:** 0001213900-25-073238
**Filing Date:** 2025-8
**Character Count:** 13463
**Document Hash:** e16cbbe11d4903d85aec2ecedeb847c5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-25-073238.hdr.sgml**: 20250808

**ACCESSION NUMBER**: 0001213900-25-073238

**CONFORMED SUBMISSION TYPE**: D

**PUBLIC DOCUMENT COUNT**: 1

**ITEM INFORMATION**: Rule 506(b) provides a "safer harbor" for a private offering

**FILED AS OF DATE**: 20250808

**DATE AS OF CHANGE**: 20250807

**EFFECTIVENESS DATE**: 20250808

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Deep Isolation Nuclear, Inc.
- **CENTRAL INDEX KEY:** 0001918080
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 874225965
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** D
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 021-554079
- **FILM NUMBER:** 251195857

**BUSINESS ADDRESS:**
- **STREET 1:** 2001 ADDISON STREET
- **STREET 2:** SUITE 300
- **CITY:** BERKELEY
- **STATE:** CA
- **ZIP:** 94704
- **BUSINESS PHONE:** 561 464 2841

**MAIL ADDRESS:**
- **STREET 1:** 1761 GEORGE WASHINGTON WAY
- **STREET 2:** #362
- **CITY:** RICHLAND
- **STATE:** WA
- **ZIP:** 99354

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Aspen-1 Acquisition Inc.
- **DATE OF NAME CHANGE:** 20220317

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM D

### Notice of Exempt Offering of Securities

### 1. Issuer's Identity

**CIK (Filer ID Number):** 0001918080

**Name of Issuer:** Deep Isolation Nuclear, Inc.

**Jurisdiction of Incorporation/Organization:** DELAWARE

**Previous Names:** Aspen-1 Acquisition Inc.

**Year of Incorporation/Organization**

- [ ] Over Five Years Ago

- [x] Within Last Five Years (Specify Year) 2021

- [ ] Yet to Be Formed

**Entity Type**

- [x] Corporation

- [ ] Limited Partnership

- [ ] Limited Liability Company

- [ ] General Partnership

- [ ] Business Trust

- [ ] Other

### 2. Principal Place of Business and Contact Information

**Name of Issuer:** Deep Isolation Nuclear, Inc.

**Street Address 1:** 2001 ADDISON STREET

**Street Address 2:** SUITE 300

**City:** BERKELEY

**State/Province/Country:** CA

**ZIP/Postal Code:** 94704

**Phone Number of Issuer:** 509-943-5222

### 3. Related Persons

| Last Name   | First Name     | Street Address 1    | City     | State   |   ZIP/Postal Code | Relationship                                          | Clarification of Response                                                                                                                       |
|:---|:---|:---|:---|:---|---:|:---|:---|
| Muller      | Elizabeth      | 2001 Addison Street | Berkeley | CA      |             94704 | [ ] Executive Officer<br>[x] Director<br>[ ] Promoter | Ms. Muller is the chair of the Issuer's board of directors and is the co-founder of Deep Isolation, Inc., the Issuer's wholly owned subsidiary. |
| Baltzer     | Rodney         | 2001 Addison Street | Berkeley | CA      |             94704 | [x] Executive Officer<br>[x] Director<br>[ ] Promoter |  |
| Tepper      | Leslie Goldman | 2001 Addison Street | Berkeley | CA      |             94704 | [ ] Executive Officer<br>[x] Director<br>[ ] Promoter |  |
| Cole        | Kent           | 2001 Addison Street | Berkeley | CA      |             94704 | [ ] Executive Officer<br>[x] Director<br>[ ] Promoter |  |
| Angell      | Jonathon       | 2001 Addison Street | Berkeley | CA      |             94704 | [ ] Executive Officer<br>[x] Director<br>[ ] Promoter |  |
| McCallum    | Sophie         | 2001 Addison Street | Berkeley | CA      |             94704 | [x] Executive Officer<br>[ ] Director<br>[ ] Promoter |  |
| Parker      | Christopher    | 2001 Addison Street | Berkeley | CA      |             94704 | [x] Executive Officer<br>[ ] Director<br>[ ] Promoter |  |
| Sloane      | Jesse          | 2001 Addison Street | Berkeley | CA      |             94704 | [x] Executive Officer<br>[ ] Director<br>[ ] Promoter |  |
| Airhart     | Steven         | 2001 Addison Street | Berkeley | CA      |             94704 | [x] Executive Officer<br>[ ] Director<br>[ ] Promoter |  |

### 4. Industry Group

| | | |
|:---|:---|:---|
| [ ] Agriculture | [ ] Health Care | [ ] Retailing |
| [ ] Banking & Financial Services | [ ] Biotechnology | [ ] Restaurants |
|   [ ] Commercial Banking | [ ] Health Insurance | [ ] Technology |
|   [ ] Insurance | [ ] Hospitals & Physicians |   [ ] Computers |
|   [ ] Investing | [ ] Pharmaceuticals |   [ ] Telecommunications |
|   [ ] Investment Banking | [ ] Other Health Care |   [ ] Other Technology |
|   [ ] Pooled Investment Fund | [ ] Manufacturing | [ ] Travel |
|     [ ] Hedge Fund | [ ] Real Estate |   [ ] Airlines & Airports |
|     [ ] Private Equity Fund |   [ ] Commercial |   [ ] Lodging & Conventions |
|     [ ] Venture Capital Fund |   [ ] Construction |   [ ] Tourism & Travel Services |
|     [ ] Other Investment Fund |   [ ] REITS & Finance |   [ ] Other Travel |
|   Is the issuer registered as an investment company? <br>  [ ] Yes [ ] No |   [ ] Residential | [x] Other |
|   [ ] Other Banking & Financial Services |   [ ] Other Real Estate |  |
| [ ] Business Services |  |  |
| [ ] Energy |  |  |
|   [ ] Coal Mining |  |  |
|   [ ] Electric Utilities |  |  |
|   [ ] Energy Conservation |  |  |
|   [ ] Environmental Services |  |  |
|   [ ] Oil & Gas |  |  |
|   [ ] Other Energy |  |  |

### 5. Issuer Size

| **Revenue Range** | **OR** | **Aggregate Net Asset Value Range** |
|:---|:---:|:---|
| [ ] No Revenues | | [ ] No Aggregate Net Asset Value |
| [ ] $1 - $1,000,000 | | [ ] $1 - $5,000,000 |
| [ ] $1,000,001 - $5,000,000 | | [ ] $5,000,001 - $25,000,000 |
| [x] $5,000,001 - $25,000,000 | | [ ] $25,000,001 - $50,000,000 |
| [ ] $25,000,001 - $100,000,000 | | [ ] $50,000,001 - $100,000,000 |
| [ ] Over $100,000,000 | | [ ] Over $100,000,000 |
| [ ] Decline to Disclose | | [ ] Decline to Disclose |
| [ ] Not Applicable | | [ ] Not Applicable |

### 6. Federal Exemption(s) and Exclusion(s) Claimed (select all that apply)

| | | |
|:---|:---|:---|
| [ ] Rule 504(b)(1) (not (i), (ii) or (iii)) | [ ] Investment Company Act Section 3(c) |  |
| [ ] Rule 504(b)(1)(i) |   [ ] Section 3(c)(1) |  |
| [ ] Rule 504(b)(1)(ii) |   [ ] Section 3(c)(2) |   [ ] Section 3(c)(9) |
| [ ] Rule 504(b)(1)(iii) |   [ ] Section 3(c)(3) |   [ ] Section 3(c)(10) |
| [x] Rule 506(b) |   [ ] Section 3(c)(4) |   [ ] Section 3(c)(11) |
| [ ] Rule 506(c) |   [ ] Section 3(c)(5) |   [ ] Section 3(c)(12) |
| [ ] Securities Act Section 4(5) |   [ ] Section 3(c)(6) |   [ ] Section 3(c)(13) |
|  |   [ ] Section 3(c)(7) |   [ ] Section 3(c)(14) |

### 7. Type of Filing

**New Notice:** [x] **Date of First Sale:** 2025-07-23

**Amendment:** [ ]

### 8. Duration of Offering

Does the issuer intend this offering to last more than one year? [ ] Yes [x] No

### 9. Type(s) of Securities Offered

- [x] Equity
- [ ] Debt
- [x] Option, Warrant or Other Right to Acquire Another Security
- [ ] Security to be Acquired Upon Exercise of Option, Warrant or Other Right to Acquire Security
- [ ] Pooled Investment Fund Interests
- [ ] Tenant-in-Common Securities
- [ ] Mineral Property Securities
- [ ] Other

### 10. Business Combination Transaction

Is this offering being made in connection with a business combination transaction, such as a merger, acquisition or exchange offer? [x] Yes [ ] No

**Clarification of Response:** The initial sale of the subject securities occurred concurrently with the closing of a reverse triangular merger with Deep Isolation, Inc. The Issuer changed its name to Deep Isolation Nuclear, Inc. at the effective time of the merger.

### 11. Minimum Investment
**Minimum investment accepted from any outside investor:** $4998 USD

### 12. Sales Compensation

| Recipient Name                       |   Recipient CRD Number | Associated BD Name      | Associated BD CRD Number   | Street 1                | Street 2        | City     | State   |   ZIP Code | States of Solicitation   | Foreign Solicitation   |
|:---|---:|:---|:---|:---|:---|:---|:---|---:|:---|:---|
| Seaport Global Securities LLC        |              000116270 | None                    | None                       | 360 Madison Ave         | 22nd Floor      | New York | NY      |      10017 |  | [x]                    |
| Phoenix Financial Services           |              000144403 | None                    | None                       | 100 WALL STREET         | FLOOR 10        | NEW YORK | NY      |      10005 |  | [x]                    |
| Network 1 Financial Securities, Inc. |              000013577 | None                    | None                       | THE GALLERIA, SUITE 241 | 2 BRIDGE AVENUE | RED BANK | NJ      |      07701 |  | [x]                    |
| Maxim Group LLC                      |              000120708 | Christopher James Fiore | 002269479                  | 300 PARK AVE            | 16TH FLOOR      | NEW YORK | NY      |      10022 |  | [x]                    |
| The Benchmark Company, LLC           |              000022982 | None                    | None                       | 150 E 58th Street       | 17th Floor      | New York | NY      |      10155 |  | [ ]                    |
| Dinosaur Financial Group, L.L.C.     |              000104446 | None                    | None                       | 33 Whitehall St.        | 1102            | New York | NY      |      10004 |  | [x]                    |

### 13. Offering and Sales Amounts

**Total Offering Amount:** $33,037,348 USD

**Total Amount Sold:** $33,037,348 USD

**Total Remaining to be Sold:** $0 USD

### 14. Investors

Select if securities in the offering have been or may be sold to persons who do not qualify as accredited investors, and enter the number of such non-accredited investors who already have invested in the offering: [ ] Yes [x] No

**Total Number of Investors Already Invested:** 241

### 15. Sales Commissions & Finder's Fees Expenses

Provide separately the amounts of sales commissions and finders fees expenses, if any. If the amount of an expenditure is not known, provide an estimate and check the box next to the amount.

**Sales Commissions** $3188387 USD

**Finders' Fees** $0 USD

**Clarification of Response (if Necessary):** The Issuer also issued warrants to purchase an aggregate of: (i) 166,667 shares of common stock at an exercise price of $0.0001 to Benchmark and Seaport and (ii) 829,730 shares of common stock at an exercise price of $3.00 to the Placement Agents.

### 16. Use of Proceeds

Provide the amount of the gross proceeds of the offering that has been or is proposed to be used for payments to any of the persons required to be named as executive officers, directors or promoters: **$0 USD**

### Signature and Submission

Please verify the information you have entered and review the Terms of Submission below before signing and clicking SUBMIT below to file this notice.

**Terms of Submission**

In submitting this notice, each issuer named above is:

* Notifying the SEC and/or each State in which this notice is filed of the offering of securities described and undertaking to furnish them, upon written request, in the accordance with applicable law, the information furnished to offerees.

* Irrevocably appointing each of the Secretary of the SEC and, the Securities Administrator or other legally designated
officer of the State in which the issuer maintains its principal place of business and any State in which this notice is
filed, as its agents for service of process, and agreeing that these persons may accept service on its behalf, of any
notice, process or pleading, and further agreeing that such service may be made by registered or certified mail, in any
Federal or state action, administrative proceeding, or arbitration brought against the issuer in any place subject to
the jurisdiction of the United States, if the action, proceeding or arbitration (a) arises out of any activity in
connection with the offering of securities that is the subject of this notice, and (b) is founded, directly or
indirectly, upon the provisions of: (i) the Securities Act of 1933, the Securities Exchange Act of 1934, the Trust
Indenture Act of 1939, the Investment Company Act of 1940, or the Investment Advisers Act of 1940, or any rule or
regulation under any of these statutes, or (ii) the laws of the State in which the issuer maintains its principal place
of business or any State in which this notice is filed.

* Certifying that, if the issuer is claiming a Regulation D exemption for the offering, the issuer is not disqualified from relying on Rule 504 or Rule 506 for one of the reasons stated in Rule 504(b)(3) or Rule 506(d).

Each issuer identified above has read this notice, knows the contents to be true, and has duly caused this notice to be signed on its behalf by the undersigned duly authorized person.

For signature, type in the signer's name or other letters or characters adopted or authorized as the signer's signature.

| Issuer                       | Signature          | Name of Signer   | Title                                 | Date       |
|:---|:---|:---|:---|:---|
| Deep Isolation Nuclear, Inc. | /s/ Rodney Baltzer | Rodney Baltzer   | President and Chief Executive Officer | 2025-08-07 |

*Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.*