Steven L. Miller - 24 Apr 2026 Form 3 Insider Report for X-Energy, Inc. (XE)

Reporting relationship: Executive Vice President, Chief Legal and Administration Officer. Exhibit 24 - Power of Attorney.
Issuer ticker: XE
Reported as of: 24 Apr 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 24 Apr 2026, 17:06:04 UTC
Source filing: View source filing
Reporting owner signature: /s/ Elizabeth Petrone, Attorney-in-Fact

Key filing fact

Steven L. Miller filed Form 3 for X-Energy, Inc. (XE) on 24 Apr 2026.

Key facts

This page summarizes Steven L. Miller's Form 3 filing for X-Energy, Inc. (XE).
0 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 24 Apr 2026, 17:06.

Change

No earlier filing in this sequence is available for direct comparison.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001995368 Primary reporting owner

MILLER STEVEN L

Relationship: Executive Vice President, Chief Legal and Administration Officer. Exhibit 24 - Power of Attorney.
Address: C/O X-ENERGY, INC., 530 GAITHER ROAD, SUITE 700, ROCKVILLE
Signature: /s/ Elizabeth Petrone, Attorney-in-Fact
Signature date: 24 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

XE holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 948,747
Date: 24 Apr 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

XE holding Derivative

Stock Option

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 24 Apr 2026
Ownership: Direct
Underlying class: Class A Common Stock
Underlying amount: 254,740
Exercise price: $23.00
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Includes 326,640 shares of restricted stock.

Footnote F2

The stock option is vested as to 82,332 of the underlying shares. The stock option vests as to 75,883 of the underlying shares in two substantially equal annual installments beginning on January 1, 2027, and as to 96,525 of the underlying shares in four substantially equal annual installments beginning on December 23, 2026.

SEC remarks

Executive Vice President, Chief Legal and Administration Officer. Exhibit 24 - Power of Attorney.