Kamal Seyed Ghaffarian - 24 Apr 2026 Form 3 Insider Report for X-Energy, Inc. (XE)

Reporting relationship: Director, 10%+ Owner
Issuer ticker: XE
Reported as of: 24 Apr 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 24 Apr 2026, 17:09:04 UTC
Prior SEC filing: 22 Apr 2026
Next SEC filing: 29 Apr 2026
Source filing: View source filing
Reporting owner signature: Kamal Ghaffarian, /s/ Elizabeth Petrone, Attorney-in-Fact

Key filing fact

Kamal Seyed Ghaffarian filed Form 3 for X-Energy, Inc. (XE) on 24 Apr 2026.

Key facts

This page summarizes Kamal Seyed Ghaffarian's Form 3 filing for X-Energy, Inc. (XE).
0 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 24 Apr 2026, 17:09.

Change

Previous filing in this sequence was filed on 22 Apr 2026.
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 (2)

CIK 0001963529 Primary reporting owner

Ghaffarian Kamal Seyed

Relationship: Director, 10%+ Owner
Address: C/O X-ENERGY, INC., 530 GAITHER ROAD, SUITE 700, ROCKVILLE
Signature: Kamal Ghaffarian, /s/ Elizabeth Petrone, Attorney-in-Fact
Signature date: 24 Apr 2026

CIK 0002131792

X-Energy Holdings, LLC

Relationship: 10%+ Owner
Address: C/O X-ENERGY, INC., 530 GAITHER ROAD, SUITE 700, ROCKVILLE
Signature: X-Energy Holdings, LLC, By: Kamal Ghaffarian, Executive Chairman, By: /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: 1,234,021
Date: 24 Apr 2026
Ownership: Direct

XE holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,234,021
Date: 24 Apr 2026
Ownership: Direct

XE holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,029,077
Date: 24 Apr 2026
Ownership: See footnote
Footnotes: F1

XE holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 5,029,077
Date: 24 Apr 2026
Ownership: See footnote
Footnotes: F1

XE holding

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 84,292,133
Date: 24 Apr 2026
Ownership: See footnote
Footnotes: F1, F2

XE holding

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 84,292,133
Date: 24 Apr 2026
Ownership: See footnote
Footnotes: F1, F2

Reported derivative securities

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

XE holding Derivative

Common Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 24 Apr 2026
Ownership: See footnote
Underlying class: Class A Common Stock
Underlying amount: 84,292,133
Exercise price
Footnotes: F1, F2

XE holding Derivative

Common Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date: 24 Apr 2026
Ownership: See footnote
Underlying class: Class A Common Stock
Underlying amount: 84,292,133
Exercise price
Footnotes: F1, 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

Consists of (i) 471,774 shares of Class A Common Stock and 8,963,719 Common Units and a corresponding number of shares of Class B Common Stock held by GM Enterprises, LLC, (ii) 3,951,679 shares of Class A Common Stock and 75,081,916 Common Units and a corresponding number of shares of Class B Common Stock held by X-Energy Holding, LLC, (iii) 12,973 shares of Class A Common Stock and 246,498 Common Units and a corresponding number of shares of Class B Common Stock held by IBX Opportunity GP, Inc. and (iv) 592,651 shares of Class A Common Stock held by X-energy KG Parent, LLC. Dr. Kamal Ghaffarian has sole voting and dispositive power with respect to securities held by each of the foregoing entities. Dr. Kamal Ghaffarian disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

Footnote F2

The Common Units of X-Energy Reactor Company, LLC may be redeemed for shares of the Issuer's Class A Common Stock on a one-to-one basis at the election of the holder. The Common Units do not expire. Each share of the Issuer's Class B Common Stock will be cancelled upon the exchange of one Common Unit for one share of Class A Common Stock.

SEC remarks

Exhibit 24 - Power of Attorney.

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