DE ROTHSCHILD ROBERT 4

4 · PRIMEENERGY RESOURCES CORP · Filed Apr 29, 2026

AI-generated summary of this filing

Updated Apr 29, 2026

PrimeEnergy (PNRG) 10% Owner Robert De Rothschild Sells Shares

What Happened

Robert De Rothschild, listed as a 10% owner of PrimeEnergy Resources Corp. (PNRG), sold 13,274 shares on 2026-04-27. The filing reports a weighted average sale price of $231.60, with transaction prices ranging from $229.00 to $235.23, for total proceeds of approximately $3,074,223. The sale is reported under transaction code "S" (sale).

Key Details

Transaction date: 2026-04-27
Shares sold: 13,274
Reported weighted average price: $231.60; price range: $229.00–$235.23 (F1)
Total proceeds: ~$3,074,223
Shares owned after transaction: not disclosed in this filing
Footnotes of note:
- F1: Weighted-average price; reporting person can provide a breakdown of shares sold at each price in the stated range.
- F2: Shares are held of record by Amrace Inc.; De Rothschild disclaims beneficial ownership except to the extent of his pecuniary interest.
Filing timeliness: Report filed 2026-04-29 for the 2026-04-27 transaction (within the typical two-business-day Form 4 deadline).

Context

This was an outright sale by a 10% owner (institutional/large shareholder category), not an option exercise, award, or gift. The record-holder note (Amrace Inc.) indicates the shares are held in an entity’s name; De Rothschild disclaims beneficial ownership beyond his pecuniary interest. No 10b5-1 plan or reason for the sale is listed in the filing—sales by large shareholders can reflect liquidity needs or portfolio management and do not necessarily reflect company outlook.

Form 4

Period: 2026-04-27

10% Owner

Transactions

Sale
Common Shares
[F1][F2]
2026-04-27$231.60/sh−13,274$3,074,223→ 187,483 total(indirect: See footnote)

Footnotes (2)

[F1]The sale price reported above is a weighted average price. The shares were sold in multiple transactions at price ranging from $229.00 to $235.23, 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.
[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.

Signature

/s/ Robert de Rothschild|2026-04-29

1 file