FORM 3 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
Wallace Michael J Wallace

(Last) (First) (Middle)
C/O X-ENERGY, INC.
530 GAITHER ROAD, SUITE 700

(Street)
ROCKVILLE MD 20850

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
04/24/2026
3. Issuer Name and Ticker or Trading Symbol
X-Energy, Inc. [ XE ]
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director 10% Owner
Officer (give title below) Other (specify below)
5. If Amendment, Date of Original Filed (Month/Day/Year)
04/24/2026
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 Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Common Stock 137,161 (1)
D
 
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option   (2) 04/24/2026 Class A Common Stock 23,834 (3) 23 D  
Explanation of Responses:
1. 50,250 shares of Class A common stock and 16,750 shares of restricted stock were ommitted from the reporting person's original Form 3, and also were omitted from a subsequent Form 4 filed by the reporting person after his original Form 3 was filed.
2. The stock option is vested as to 17,874 of the underlying shares. The stock option vests as to 1,210 of the underlying shares on September 12, 2026, 2,374 of the underlying shares on January 1, 2027 and 2,376 of the underlying shares on January 1, 2028.
3. 18,997 options were ommitted from the reporting person's original Form 3, and also were omitted from a subsequent Form 4 filed by the reporting person after his original Form 3 was filed.
/s/ Carter Lawson, Attorney-in-Fact 06/26/2026
** 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.
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