PrimeEnergy 10% holder entity sells 8,700 shares

PrimeEnergy Resources Corp’s 10% owner entity Amrace Inc, associated with Robert de Rothschild, sold 8,700 common shares on January 13, 2026 at a weighted average price of $182.848 per share.

Rhea-AI Filing Summary

PrimeEnergy Resources Corp’s 10% owner entity Amrace Inc, associated with Robert de Rothschild, sold 8,700 common shares on January 13, 2026 at a weighted average price of $182.848 per share. The sales occurred in multiple trades within a price range from $178.945 to $185.75 per share.

After this transaction, 222,057 common shares were held of record by Amrace Inc. Robert de Rothschild, as the reporting person, disclaims beneficial ownership of these shares except to the extent of his pecuniary interest.

Insider Trade Summary

Net Seller: 8,700 shares

Net Sell 1 txn

Insider DE ROTHSCHILD ROBERT

Role 10% Owner

Sold 8,700 shs ($1.59M)

Type	Security	Shares	Price	Value
Sale	Common Shares	8,700	$182.848	$1.59M

Holdings After Transaction: Common Shares — 222,057 shares (Indirect, See footnote)

Footnotes (2)

1. F1. The sale price reported above is a weighted average price. The shares were sold in multiple transactions at price ranging from $178.945 to $185.75 inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
2. F2. Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did PNRG report for Robert de Rothschild’s related entity?

An entity associated with Robert de Rothschild, Amrace Inc, sold 8,700 common shares of PrimeEnergy Resources Corp on January 13, 2026.

At what price were the PrimeEnergy (PNRG) shares sold in this insider transaction?

The shares were sold at a weighted average price of $182.848 per share, in multiple trades ranging from $178.945 to $185.75 per share.

How many PrimeEnergy (PNRG) shares were held after the reported sale?

Following the sale, 222,057 common shares of PrimeEnergy Resources Corp were held of record by Amrace Inc.

Who actually holds the PNRG shares involved in this Form 4 transaction?

The shares are held of record by Amrace Inc. Robert de Rothschild is the reporting person but the shares are owned through this entity.

Does Robert de Rothschild claim full beneficial ownership of the PNRG shares held by Amrace Inc?

No. The reporting person disclaims beneficial ownership of the shares held by Amrace Inc, except to the extent of his pecuniary interest.

What is Robert de Rothschild’s relationship to PrimeEnergy Resources Corp (PNRG)?

Robert de Rothschild is reported as a 10% owner of PrimeEnergy Resources Corp in this insider ownership report.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/15/2026 - 07:05 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DE ROTHSCHILD ROBERT

(Last) (First) (Middle)

224 BAHAMA LANE

(Street)

PALM BEACH FL 33480

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PRIMEENERGY RESOURCES CORP [ PNRG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/13/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares	01/13/2026		S		8,700	D	$182.848(1)	222,057	I	See footnote(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sale price reported above is a weighted average price. The shares were sold in multiple transactions at price ranging from $178.945 to $185.75 inclusive. The reporting person undertakes to provide to PrimeEnergy Resources Corporation, any security holder of PrimeEnergy Resources Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

2. Shares are held of record by Amrace Inc. The Reporting Person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

	/s/ Robert de Rothschild	01/15/2026
	** 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 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.