SEC Form 3
FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
 
OMB APPROVAL
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
Gibson Samuel

(Last) (First) (Middle)
C/O HADRON ENERGY, INC.
3 TWIN DOLPHIN DRIVE, STE 260

(Street)
REDWOOD CITY CA 94065

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
05/22/2026
3. Issuer Name and Ticker or Trading Symbol
Hadron Energy, Inc. [ HDRN ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
checkbox checked Director checkbox checked 10% Owner
checkbox checked Officer (give title below) Other (specify below)
Chief Executive Officer
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
checkbox checked Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 22,797,000(1) D
Common Stock 20,249,584(2) I By Gibson Family Holdings LLC
Common Stock 427,491(3) I By SG 2026 Irrevocable Exempt Trust u/a dated January 29, 2026
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
1. Name and Address of Reporting Person*
Gibson Samuel

(Last) (First) (Middle)
C/O HADRON ENERGY, INC.
3 TWIN DOLPHIN DRIVE, STE 260

(Street)
REDWOOD CITY CA 94065

(City) (State) (Zip)
1. Name and Address of Reporting Person*
Gibson Family Holdings LLC

(Last) (First) (Middle)
C/O HADRON ENERGY, INC.
3 TWIN DOLPHIN DRIVE, STE 260

(Street)
REDWOOD CITY CA 94065

(City) (State) (Zip)
Explanation of Responses:
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.
/s/ Samuel Gibson, individually 06/05/2026
/s/ Samuel Gibson, Manager of Gibson Family Holdings LLC 06/05/2026
** Signature of Reporting Person Date
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 5 (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.