# EDGAR Filing Document

**Accession Number:** 0002080807
**File Stem:** 0001213900-25-076963
**Filing Date:** 2025-8
**Character Count:** 8091
**Document Hash:** 201478ab523827dda6355f0e2cb9113d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-25-076963.hdr.sgml**: 20250814

**ACCESSION NUMBER**: 0001213900-25-076963

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250814

**DATE AS OF CHANGE**: 20250814

**SUBJECT COMPANY**: 

**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:** SCHEDULE 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-93942
- **FILM NUMBER:** 251222027

**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
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Spieker Warren Edward JR
- **CENTRAL INDEX KEY:** 0002080807

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G

**MAIL ADDRESS:**
- **STREET 1:** 707 MENLO AVE
- **STREET 2:** SUITE 100
- **CITY:** MENLO PARK
- **STATE:** CA
- **ZIP:** 94025

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**Issuer:** DEEP ISOLATION NUCLEAR, INC.

**Title of Class of Securities:** Common Stock, $0.0001 par value

**CUSIP Number:** 000000000

**Date of Event Which Requires Filing of this Statement:** 07/23/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Warren E. Spieker, Jr., individually and as Trustee of the Spieker Living Trust UAD 3/12/02 | Names of Reporting Persons<br>Warren E. Spieker, Jr., individually and as Trustee of the Spieker Living Trust UAD 3/12/02 |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>1291864.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>4611567.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>1291864.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>4611567.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>5903431.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>5903431.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>10.3% | Percent of Class Represented by Amount in Row (9)<br>10.3% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Based on 57,372,749 shares of common stock issued and outstanding as of July 23, 2025.

---

**Item 1(a). Name of Issuer:**
DEEP ISOLATION NUCLEAR, INC.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
2001 Addison, Suite 300, Berkeley, CA 94704

**Item 2(a). Name of Person Filing:**
Warren E. Spieker, Jr.

**Item 2(b). Address of Principal Business Office:**
707 Menlo Avenue Suite 100, Menlo Park, CA 94025

**Item 2(c). Citizenship:**
USA

**Item 2(d). Title of Class of Securities:**
Common Stock, $0.0001 par value

**Item 2(e). CUSIP Number:**
000000000

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

5,903,431

**(b) Percent of class:**

10.3%

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

1,291,864

**(ii) Shared power to vote or to direct the vote:**

4,611,567

**(iii) Sole power to dispose or to direct the disposition of:**

1,291,864

**(iv) Shared power to dispose or to direct the disposition of:**

4,611,567

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Securities reported in Item 4(c)(ii) and 4(c)(iv) on this Schedule 13G are owned directly by the Spieker Living Trust U/A/D 3/12/02 (the "Trust") and are beneficially owned by Warren E. Spieker, Jr. and Carol Spieker, as beneficiaries of the Trust. Under the governing documents of the Trust, Warren E. Spieker, Jr. and Carol Spieker share the right to receive and the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities.

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Warren E. Spieker, Jr., individually and as Trustee of the Spieker Living Trust UAD 3/12/02**

**Date:** 08/14/2025

**By:** /s/ Warren E. Spieker, Jr.

**Name & Title:** Warren E. Spieker, Jr., individually and as Trustee of the Spieker Living trust UAD 3/12/02