X-Energy, Inc. (XE)

=== SEC Form 3/A — Statement of Changes in Beneficial Ownership === Document Type: 3/A Period of Report: 2026-04-24 --- Issuer --- Name: X-Energy, Inc. (XE) CIK: 0002088896 --- Reporting Owner --- Name: Wallace Michael J Wallace CIK: 0001164695 Role: Director --- Holdings --- [Holding #1] Security: Class A Common Stock Ownership: D (Direct) Footnotes: [F1] 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. [Holding #2] Security: Stock Option Ownership: D (Direct) Footnotes: [F2] 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. [F3] 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. --- Footnotes (Complete Index) --- F1: 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. F2: 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. F3: 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. --- Signature --- /s/ /s/ Carter Lawson, Attorney-in-Fact (2026-06-26)