Edward Sonnenschein - 28 Apr 2026 Form 4 Insider Report for X-Energy, Inc. (XE)

Reporting relationship: Director
Issuer ticker: XE
Reported as of: 28 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 29 Apr 2026, 16:18:23 UTC
Prior SEC filing: 24 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Elizabeth Petrone, Attorney-in-Fact

Filing notes and source

Key filing fact

Edward Sonnenschein filed Form 4 for X-Energy, Inc. (XE) on 29 Apr 2026.

Key facts

This page summarizes Edward Sonnenschein's Form 4 filing for X-Energy, Inc. (XE).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 29 Apr 2026, 16:18.

Change

Previous filing in this sequence was filed on 24 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

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001995008 Primary reporting owner

SONNENSCHEIN EDWARD

Relationship: Director
Address: C/O X-ENERGY, INC., 530 GAITHER ROAD, SUITE 700, ROCKVILLE
Signature: /s/ Elizabeth Petrone, Attorney-in-Fact
Signature date: 29 Apr 2026

Reported non-derivative transactions

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

XE transaction

Class A Common Stock

Award

Transaction value
Shares: +6,522
Change %: +0.8%
Price: $0.000000^*
Shares after: 820,114
Date: 28 Apr 2026
Ownership: Direct
Footnotes: F1, F2

XE holding

Class A Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 30,831
Date: 28 Apr 2026
Ownership: By IBX X-Energy SPV I, LLC

^* 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

Each restricted stock unit ("RSU") represents the right to receive one share of Class A common stock. The RSUs will vest on the earlier to occur of (x) April 27, 2027 and (y) the date of the 2027 Annual Meeting, subject to continued service.

Footnote F2

Includes 17,540 shares of restricted stock.