| Item 1. | Security and Issuer |
| (a) | Title of Class of Securities:
Common Stock (par value $0.10 per share) |
| (b) | Name of Issuer:
PrimeEnergy Resources Corporation |
| (c) | Address of Issuer's Principal Executive Offices:
9821 Katy Freeway, Houston,
TEXAS
, 77024. |
| Item 2. | Identity and Background |
|
| (a) | i) Robert de Rothschild ("Reporting Person")
ii) Amrace Inc. ("Amrace") |
| (b) | 224 Bahama Lane
Palm Beach, FL 33480 |
| (c) | The Reporting Person is an individual engaged in the business of private investing. Amrace is a Delaware corporation engaged in the business of private investing. |
| (d) | Neither the Reporting Person nor Amrace have, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). |
| (e) | Neither the Reporting Person nor Amrace have, during the last five years, been a party to a civil proeeding of a judicial or administrativebody of competent jurisdiction as a result of which the Reporting Person or Amrace was or is subject to a judgment, decree or final
order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation withrespect to such laws. |
| (f) | i) France
ii) Delaware |
| Item 3. | Source and Amount of Funds or Other Consideration |
| | WC |
| Item 4. | Purpose of Transaction |
| | Since the date of the most recent Schedule 13D amendment filed by Amrace and the Reporting Person, Amrace has sold the following PNRG shares in the ordinary course of business:
February 3, 2025 Sale of 471 Shares at $212.00
February 5, 2025 Sale of 503 Shares at an average weighted price of $215.179 (range of $215.00 to $216.205)
February 6, 2025 Sale of 1,354 Shares at an average weighted price of $204.5722 (range of $201.95 to $207.46)
February 7, 2025 Sale of 1,615 Shares at an average weighted price of $202.1421 (range of $197.15 to $205.00)
February 10, 2025 Sale of 1,337 Shares at an average weighted price of $203.9193 (range of $201.56 to $205.92)
February 11, 2025 Sale of 4,387 Shares at an average weighted price of $201.5392 (range of $193.78 to $205.15)
February 12, 2025 Sale of 1,970 Shares at an average weighted price of $197.305 (range of $104.08 to $199.85)
February 19, 2025 Sale of 3,904 Shares at an average weighted price of $201.28 (range of $200.00 to $207.19)
February 21, 2025 Sale of 1,017 Shares at an average weighted price of $195.2932 (range of $192.13 to $197.21)
June 3, 2025 Sale of 4,389 Shares at an average weighted price of $188.0117 (range of $186.00 to $189.45)
June 4, 2025 Sale of 1,767 Shares at $187.00
January 13, 2026 Sale of 8,700 Shares at an average weighted price of $182.848 (range of $178.945 to $185.75)
January 29, 2026 Sale of 10,151 Shares at an average weighted price of $186.19 (range of $183.015 to $187.21)
January 30, 2026 Sale of 10,001 Shares at an average weighted price of $181.81 (range of $181.00 to $184.06) |
| Item 5. | Interest in Securities of the Issuer |
| (a) | As of January 13, 2026 - 222,057 Shares at 13.6%
As of January 30, 2026 - 201,906 Shares at 12.4%
Percentages based on 1,635,000 outstanding shares of Isser as of November 12, 2025 (pursuant to 10-Q filed with the Securities and Exchange Commission on November 19, 2025) |
| (b) | See Cover Page |
| (c) | Shares were sold from February 3, 2025, through January 30, 2026, in the ordinary course of business |
| (d) | See Item 2(a) |
| (e) | Not applicable |
| Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer |
| | Not applicable |
| Item 7. | Material to be Filed as Exhibits. |
| | Not applicable |
