Welcome to our dedicated page for X-ENERGY SEC filings (Ticker: XE), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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X-Energy, Inc. received a joint Schedule 13G disclosing beneficial ownership stakes held or reported by related Citadel entities and Mr. Kenneth Griffin. The filing states shares outstanding were 273,442,494 as of April 27, 2026. GFNCI LLC and XERC Holdings report 16,219,322 shares (5.9%) each; Citadel Advisors, Citadel Advisors Holdings LP and Citadel GP LLC report 2,198,811 shares (0.8%) each; Citadel Securities entities report 139,868 shares (0.1%); and Mr. Griffin is reported to beneficially own 18,558,001 shares (6.8%). The filing shows these holdings reflect shared voting and shared dispositive power rather than sole voting or disposal power. The statement is joint and includes organizational and address details for the reporting persons.
X-Energy, Inc. filed a Form 4 identifying three entities — Ares Partners Holdco LLC, Ares X-Energy Holdings LP, and ACIP Investments Pooling LLC - Series 31 — as reporting persons, each described as a "Former 10% Owner". The filing does not report any insider share purchases, sales, derivative exercises, gifts, tax withholdings, or restructurings, as all transaction counts and share amounts are shown as zero.
Ghaffarian Kamal Seyed reported acquisition or exercise transactions in this Form 4 filing.
X-Energy, Inc. director and 10% owner Dr. Kamal Seyed Ghaffarian received an award of 6,522 restricted stock units (RSUs), each representing one share of Class A Common Stock at a price of $0.0000 per share. The RSUs vest on the earlier of April 27, 2027 or the 2027 annual meeting, subject to continued service. Following this grant, he directly holds 1,240,543 shares of Class A Common Stock. The filing also reports 5,029,077 shares of Class A Common Stock held indirectly through several entities for which he has sole voting and dispositive power, while disclaiming beneficial ownership except to the extent of his pecuniary interest.
X-Energy, Inc. director Michael J. Wallace acquired more Class A common stock through both a grant and an open-market purchase. He received a grant of 6,522 shares at no cost and bought 1,000 shares at $23.00 each, bringing his direct holdings to 77,683 shares, which includes 17,540 shares of restricted stock.
GINTHER CHRISTOPHER reported acquisition or exercise transactions in this Form 4 filing.
X-Energy, Inc. director Christopher Ginther received an equity award covering 6,522 shares of Class A common stock, reported at a grant price of $0.00 per share. Following this grant, he directly holds 124,162 shares, including 16,750 shares of restricted stock.
Footnotes explain that each restricted stock unit represents the right to receive one share of Class A common stock and will vest on the earlier of April 27, 2027 or the 2027 Annual Meeting, subject to his continued service with the company.
X-Energy, Inc. director Gregory James Goff received a grant of 6,522 shares of Class A common stock at no cost, classified as a grant or award acquisition. Following this award he directly holds 124,162 shares, which include 16,750 shares of restricted stock.
Each related restricted stock unit represents one share of Class A common stock and will vest on the earlier of April 27, 2027 or the date of the 2027 annual meeting, subject to his continued service.
X-Energy, Inc. director Kathleen W. Hyle increased her direct holdings through both an open-market purchase and an equity award. On April 27, 2026, she bought 10,000 shares of Class A common stock at $23.00 per share in an open-market transaction pursuant to a Directed Share Program connected to the company’s initial public offering.
On April 28, 2026, she received an award of 6,522 restricted stock units (RSUs), with each RSU representing one share of Class A common stock at no cash cost. These RSUs vest on the earlier of April 27, 2027 or the date of the 2027 Annual Meeting, subject to continued service. Following these transactions, she directly owns 134,162 shares of Class A common stock, including 29,410 shares of restricted stock.
SONNENSCHEIN EDWARD reported acquisition or exercise transactions in this Form 4 filing.
X-Energy, Inc. director Edward Sonnenschein reported updated holdings of Class A common stock. An entity associated with him, IBX X-Energy SPV I, LLC, holds 30,831 shares indirectly. Separately, he received a direct grant of 6,522 shares at no cost, structured as restricted stock units.
Each RSU represents one share of Class A common stock and will vest on the earlier of April 27, 2027 or the date of the 2027 annual meeting, subject to continued service. Following this award, Sonnenschein directly holds 820,114 shares, which include 17,540 shares of restricted stock.
X-Energy, Inc. president of TRISO-X, Joel Duling, made an open-market purchase of Class A Common Stock. He bought 100 shares at $23.00 per share on April 27, 2026, increasing his direct holdings to 552,699 shares. The shares were acquired through a Directed Share Program in connection with the company’s initial public offering.
X-Energy, Inc. Chief Accounting Officer Laura Garcia made an open-market purchase of Class A Common Stock. On April 27, 2026, she bought 1,200 shares at $23.00 per share through a Directed Share Program connected to the company’s initial public offering.
Following this transaction, Garcia directly holds 196,822 shares of X-Energy Class A Common Stock, which includes 75,254 shares of restricted stock. This filing reflects a net increase in her personal equity stake in the company.