# EDGAR Filing Document

**Accession Number:** 0001018124
**File Stem:** 0001437749-26-013031
**Filing Date:** 2026-4
**Character Count:** 8505
**Document Hash:** ea12634984abe6a5c0f02fcbbb388632
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001437749-26-013031.hdr.sgml**: 20260422

**ACCESSION NUMBER**: 0001437749-26-013031

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13D/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260422

**DATE AS OF CHANGE**: 20260422

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PRIMEENERGY RESOURCES CORP
- **CENTRAL INDEX KEY:** 0000056868
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 840637348
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-20321
- **FILM NUMBER:** 26883602

**BUSINESS ADDRESS:**
- **STREET 1:** 9821 KATY FREEWAY
- **STREET 2:** SUITE 1050
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77024
- **BUSINESS PHONE:** 2033585700

**MAIL ADDRESS:**
- **STREET 1:** 9821 KATY FREEWAY
- **STREET 2:** SUITE 1050
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77024

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PRIMEENERGY CORP
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** KRM PETROLEUM CORP
- **DATE OF NAME CHANGE:** 19900614
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FONG GIFFORD
- **CENTRAL INDEX KEY:** 0001018124

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13D/A

**MAIL ADDRESS:**
- **STREET 1:** 3658 MT DIABLO BLVD, 200
- **CITY:** LAFAYETTE
- **STATE:** CA
- **ZIP:** 94549

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

## SCHEDULE 13D

### Under the Securities Exchange Act of 1934

**(Amendment No. 1)**

**PRIMEENERGY RESOURCES CORP**

*(Name of Issuer)*

**Common Stock, $0.10 par value**

*(Title of Class of Securities)*

**—**

*(CUSIP Number)*

**Gifford Fong**<br>3658 Mt. Diablo Boulevard, Suite 200<br>Lafayette CA 94549<br>925-299-7800

*(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)*

**04/22/2026**

*(Date of Event Which Requires Filing of this Statement)*

| **CUSIP No.** | **—** |

---

| | | | |
|:--|:--|:--|:--|
| 1 | Name of reporting person<br>**FONG GIFFORD** | Name of reporting person<br>**FONG GIFFORD** | |
| 2 | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | Check the appropriate box if a member of a Group (See Instructions)<br>[x] (a)<br>[ ] (b) | |
| 3 | SEC use only | SEC use only | |
| 4 | Source of funds (See Instructions)<br>**OO** | Source of funds (See Instructions)<br>**OO** | |
| 5 | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)<br>[ ] | |
| 6 | Citizenship or place of organization<br>**X1** | Citizenship or place of organization<br>**X1** | |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 7 | Sole Voting Power<br>**54364.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 8 | Shared Voting Power<br>**0.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 9 | Sole Dispositive Power<br>**54364.00** |
| Number of Shares<br>Beneficially Owned by<br>Each Reporting Person With: | 10 | Shared Dispositive Power<br>**0.00** |
| 11 | Aggregate amount beneficially owned by each reporting person<br>**54364.00** | Aggregate amount beneficially owned by each reporting person<br>**54364.00** | |
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)<br>[ ] | |
| 13 | Percent of class represented by amount in Row (11)<br>**3.4%** | Percent of class represented by amount in Row (11)<br>**3.4%** | |
| 14 | Type of Reporting Person (See Instructions)<br>**IN** | Type of Reporting Person (See Instructions)<br>**IN** | |

---

**Comment for Reporting Person:** (1) Based on 1,618,000 shares of Common Stock outstanding as of April 10, 2026, as disclosed in the Issuer's Annual Report on Form 10-K for the year ended December 31, 2025.

**Item 1. Security and Issuer**

**(a) Title of Class of Securities:**
Common Stock, $0.10 par value

**(b) Name of Issuer:**
PRIMEENERGY RESOURCES CORP

**(c) Address of Issuer's Principal Executive Offices:**
9821 KATY FREEWAY, HOUSTON, TX, 77024

**Item 4. Purpose of Transaction**

No Shares were bought or sold by Mr. Fong. As previously reported, Mr. Fong had sole voting power over (i) 38,994 Shares pursuant to a Voting Agreement, dated June 3, 2023, between Mr. Fong and Steven Fong, who was the record holder of such Shares, and (ii) 18,758 Shares pursuant to a Voting Agreement, dated June 3, 2023, between Mr. Fong and Timothy Fong, who was the record holder of such Shares (collectively, the "Voting Agreements" and each, a "Voting Agreement"). Mr. Fong has no dispositive power over nor any pecuniary interest in the Shares held by Steven Fong and Timothy Fong.

This Amendment No. 1 is being filed solely to report a decrease in his beneficial ownership due to the termination of both Voting Agreements on April 22, 2026. Mr. Fong no longer has voting power or beneficial ownership of the Shares held by Steven Fong and Timothy Fong. As a result, Mr. Fong is no longer the beneficial owner of more than 5% of the outstanding Shares. The filing of this Amendment No. 1 represents the final amendment to this Schedule 13D and constitutes an exit filing for Mr. Fong.

Mr. Fong has no current plans or proposals which relate to or would result in: (a) the acquisition by any person of additional securities of the Issuer, or the disposition of securities of the Issuer; (b) an extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the Issuer or any of its subsidiaries; (c) a sale or transfer of a material amount of assets of the Issuer or any of its subsidiaries; (d) any change in the present board of directors or management of the Issuer, including any plans or proposals to change the number or term of directors or to fill any existing vacancies on the board; (e) any material change in the present capitalization or dividend policy of the Issuer; (f) any other material change in the Issuer's business or corporate structure; (g) changes in the Issuer's charter, bylaws or instruments corresponding thereto or other actions which may impede the acquisition of control of the Issuer by any person; (h) causing a class of securities of the Issuer to be delisted from a national securities exchange or to cease to be authorized to be quoted in an inter-dealer quotation system of a registered national securities association; (i) a class of equity securities of the Issuer becoming eligible for termination of registration pursuant to Section 12(g)(4) of the Securities Exchange Act of 1934, as amended; or (j) any action similar to any of those enumerated above.

**Item 5. Interest in Securities of the Issuer**

**(a)**
Mr. Fong is the beneficial owner of 54,364 Shares held directly by Mr. Fong, with sole voting and dispositive power. Based on 1,618,000 Shares outstanding as of April 10, 2026, as disclosed in the Issuer's Annual Report on Form 10-K for the year ended December 31, 2025, Mr. Fong is the beneficial owner of approximately 3.4% of the Issuer's outstanding Shares.

**(b)**
Mr. Fong is the beneficial owner of 54,364 Shares held directly by Mr. Fong, with sole voting and dispositive power. Based on 1,618,000 Shares outstanding as of April 10, 2026, as disclosed in the Issuer's Annual Report on Form 10-K for the year ended December 31, 2025, Mr. Fong is the beneficial owner of approximately 3.4% of the Issuer's outstanding Shares.

**(c)**
Mr. Fong did not buy or sell any Shares in the sixty days prior to the filing of this Statement. Mr. Fong, Steven Fong and Timothy Fong terminated their respective Voting Agreement on April 22, 2026.

**Item 6. Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer.**

None.

### 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.

**Reporting Person:** FONG GIFFORD

**Signature:** /s/ Gifford Fong

**Name/Title:** Gifford Fong

**Date:** 04/22/2026