# EDGAR Filing Document

**Accession Number:** 0002138782
**File Stem:** 0002133973-26-000002
**Filing Date:** 2026-6
**Character Count:** 8306
**Document Hash:** 6fc71670af06697f9dbda7dbc960f0bf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002133973-26-000002.hdr.sgml**: 20260605

**ACCESSION NUMBER**: 0002133973-26-000002

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260522

**FILED AS OF DATE**: 20260605

**DATE AS OF CHANGE**: 20260605

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Gibson Samuel
- **CENTRAL INDEX KEY:** 0002133973

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42262
- **FILM NUMBER:** 261070725

**MAIL ADDRESS:**
- **STREET 1:** 3 TWIN DOLPHIN DRIVE, STE 260
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94065
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Gibson Family Holdings LLC
- **CENTRAL INDEX KEY:** 0002138782

**ORGANIZATION NAME:**
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42262
- **FILM NUMBER:** 261070724

**BUSINESS ADDRESS:**
- **STREET 1:** 105 W 29TH ST, 38K
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001
- **BUSINESS PHONE:** 650-395-0050

**MAIL ADDRESS:**
- **STREET 1:** 105 W 29TH ST, 38K
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10001
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Hadron Energy, Inc.
- **CENTRAL INDEX KEY:** 0002023730
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC SERVICES [4911]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 334336458
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 3 TWIN DOLPHIN DRIVE, STE 260
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94065
- **BUSINESS PHONE:** 650-395-0050

**MAIL ADDRESS:**
- **STREET 1:** 3 TWIN DOLPHIN DRIVE, STE 260
- **CITY:** REDWOOD CITY
- **STATE:** CA
- **ZIP:** 94065

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GigCapital7 Corp.
- **DATE OF NAME CHANGE:** 20240516

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Gibson Samuel<br><sub>(Last) (First) (Middle)</sub><br>C/O HADRON ENERGY, INC.<br>3 TWIN DOLPHIN DRIVE, STE 260<br><sub>(Street)</sub><br>REDWOOD CITY, CA 94065<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Hadron Energy, Inc. [ HDRN ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-05-22 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [X] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_Chief Executive Officer_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Gibson Family Holdings LLC<br><sub>(Last) (First) (Middle)</sub><br>C/O HADRON ENERGY, INC.<br>3 TWIN DOLPHIN DRIVE, STE 260<br><sub>(Street)</sub><br>REDWOOD CITY, CA 94065<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Hadron Energy, Inc. [ HDRN ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-05-22 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [X] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Stock | 22797000<sup>(1)</sup> | D |  |
| Common Stock | 20249584<sup>(2)</sup> | I | By Gibson Family Holdings LLC |
| Common Stock | 427491<sup>(3)</sup> | I | By SG 2026 Irrevocable Exempt Trust u/a dated January 29, 2026 |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) Received by the reporting person in exchange for 458,949.43 shares of Hadron Energy, Inc. ("Hadron") held by reporting person in connection with the merger of Hadron into a subsidiary of GigCapital7 Corp. (the "Company") (the "Merger") pursuant to the exchange ratio set forth in the business combination agreement between Hadron and the Company. The acquisition of these shares is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange pursuant to the Securities and Exchange Act of 1934, as amended.

(2) Received by the reporting person in exchange for 405,000 shares of Hadron held by reporting person in connection with the Merger pursuant to the exchange ratio set forth in the business combination agreement between Hadron and the Company. The acquisition of these shares is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange pursuant to the Securities and Exchange Act of 1934, as amended.  These shares are beneficially owned by reporting person, who has the voting and dispositive power over such shares. The shares held by Gibson Family Holdings LLC are beneficially owned by Mr. Gibson, the Company's Chief Executive Officer. Mr. Gibson is also the Manager of Gibson Family Holdings LLC, who has sole voting and dispositive power of the shares held by Gibson Family Holdings LLC.

(3) Received by the reporting person in exchange for 8,550 shares of Hadron held by reporting person in connection with the Merger pursuant to the exchange ratio set forth in the business combination agreement between Hadron and the Company. The acquisition of these shares is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange pursuant to the Securities and Exchange Act of 1934, as amended.  These shares are beneficially owned by reporting person, who has the voting and dispositive power over such shares. The shares held by the SG 2026 Irrevocable Exempt Trust are beneficially owned by Mr. Gibson, the Company's Chief Executive Officer. Mr. Gibson has a pecuniary interest in the SG 2026 Irrevocable Exempt Trust, who has sole voting and dispositive power of the shares held by the SG 2026 Irrevocable Exempt Trust.

**Signature:** /s/ Samuel Gibson, individually  
**Date:** 2026-06-05

**Signature:** /s/ Samuel Gibson, Manager of Gibson Family Holdings LLC  
**Date:** 2026-06-05

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**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.**