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Hadron Energy (HDRN) CEO Samuel Gibson reports major direct and indirect shareholdings

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

Hadron Energy, Inc. director and Chief Executive Officer Samuel Gibson filed an initial ownership report following the merger of Hadron into a subsidiary of GigCapital7 Corp. The filing shows direct ownership of 22,797,000 shares of common stock, plus 20,249,584 shares held indirectly through Gibson Family Holdings LLC and 427,491 shares held indirectly through the SG 2026 Irrevocable Exempt Trust. These positions were received in exchange for previously held Hadron shares under the merger exchange ratio in a transaction described as exempt under Rule 16b-3.

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Insider Gibson Samuel, Gibson Family Holdings LLC
Role Chief Executive Officer | null
Type Security Shares Price Value
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 22,797,000 shares (Direct, null); Common Stock — 20,249,584 shares (Indirect, By Gibson Family Holdings LLC)
Footnotes (1)
  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. 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. 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.
Direct common stock holdings 22,797,000 shares Common Stock directly owned following merger exchange
Indirect holdings via Gibson Family Holdings LLC 20,249,584 shares Common Stock held indirectly through Gibson Family Holdings LLC
Indirect holdings via SG 2026 Trust 427,491 shares Common Stock held indirectly through SG 2026 Irrevocable Exempt Trust
Hadron shares exchanged (F2) 405,000 shares Hadron shares exchanged for company shares in merger, per footnote F2
Hadron shares exchanged (F3) 8,550 shares Hadron shares exchanged for company shares in merger, per footnote F3
Rule 16b-3 regulatory
"The acquisition of these shares is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange"
Rule 16b-3 is a Securities and Exchange Commission regulation that exempts certain routine, pre-approved transactions by company insiders from automatic liability for short-term trading profits. It acts like a safe harbor: if an insider follows a formal plan or the board approves specific transactions in advance, profits from buying and selling company stock within six months are not automatically reclaimed. Investors care because the rule clarifies when insider trades are permissible and reduces uncertainty about potential clawbacks.
business combination agreement financial
"pursuant to the exchange ratio set forth in the business combination agreement between Hadron and the Company"
A business combination agreement is a detailed contract that lays out the terms for two companies to join together—covering price, how ownership will be split, the steps needed to close the deal, and what each side promises to do or avoid before closing. For investors it matters because the agreement determines potential changes in value, control, timing, and risk exposure—think of it like the playbook for a merger that shows who wins, who pays, and what could still derail the plan.
pecuniary interest financial
"Mr. Gibson has a pecuniary interest in the SG 2026 Irrevocable Exempt Trust"
Irrevocable Exempt Trust financial
"the SG 2026 Irrevocable Exempt Trust u/a dated January 29, 2026"
voting and dispositive power financial
"has the voting and dispositive power over such shares"
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SEC Form 3
FORM 3UNITED 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 CALIFORNIA 94065

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
05/22/2026
3. Issuer Name and Ticker or Trading Symbol
Hadron Energy, Inc. [ HDRN ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm 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 Stock22,797,000(1)D
Common Stock20,249,584(2)IBy Gibson Family Holdings LLC
Common Stock427,491(3)IBy 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 ExercisableExpiration DateTitleAmount 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 CALIFORNIA 94065

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
XDirectorX10% Owner
XOfficer (give title below)Other (specify below)
Chief Executive Officer
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 CALIFORNIA 94065

(City)(State)(Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
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, individually06/05/2026
/s/ Samuel Gibson, Manager of Gibson Family Holdings LLC06/05/2026
** Signature of Reporting PersonDate
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.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Form 3 filing for Hadron Energy (HDRN) disclose about Samuel Gibson?

The Form 3 shows Samuel Gibson as a director, Chief Executive Officer, and 10% owner. It reports substantial direct and indirect holdings in Hadron Energy common stock that were received in exchange for prior Hadron shares as part of a merger.

How many Hadron Energy (HDRN) shares does Samuel Gibson own directly and indirectly?

Samuel Gibson directly owns 22,797,000 shares of Hadron Energy common stock. He also has indirect beneficial ownership of 20,249,584 shares through Gibson Family Holdings LLC and 427,491 shares through the SG 2026 Irrevocable Exempt Trust.

How are Gibson Family Holdings LLC’s Hadron Energy (HDRN) shares treated in the Form 3?

Gibson Family Holdings LLC holds 20,249,584 Hadron Energy common shares, reported as indirectly beneficially owned by Samuel Gibson. He is the manager of the LLC and has sole voting and dispositive power over those shares, according to the filing’s footnotes.

What is the SG 2026 Irrevocable Exempt Trust’s role in Hadron Energy (HDRN) ownership?

The SG 2026 Irrevocable Exempt Trust holds 427,491 Hadron Energy common shares reported as indirectly beneficially owned by Samuel Gibson. The footnotes state he has a pecuniary interest, with the trust having sole voting and dispositive power over its shares.

How were the reported Hadron Energy (HDRN) shares acquired according to the Form 3 footnotes?

The shares were received in exchange for previously held Hadron shares in connection with its merger into a subsidiary of GigCapital7 Corp. The acquisitions followed an exchange ratio set in a business combination agreement and are described as exempt under Rule 16b-3.

Does the Hadron Energy (HDRN) Form 3 indicate recent insider buying or selling activity?

The Form 3 records holdings and exchange-related acquisitions rather than open-market trades. It ties the reported positions to shares received in the merger transaction under Rule 16b-3, not to new discretionary purchases or sales in the market.