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.
X-Energy, Inc. is conducting an initial public offering of 44,254,659 shares of Class A common stock at an IPO price of $23.00 per share. The offering is expected to raise gross proceeds of $1,017,857,157, with estimated proceeds to X-Energy, Inc. of $959,330,370 before expenses.
The company will list on Nasdaq under the symbol XE and, after the offering, will be an Up-C holding company owning a majority of common units of X-Energy Reactor Company, LLC. The prospectus discloses a Tax Receivable Agreement that may require substantial future cash payments to certain unitholders and notes reliance on DOE ARDP funding and key customers (Dow, Amazon, Centrica) to support initial deployments.
X-Energy, Inc. director Satin Allyson has filed an initial Form 3, which is the first ownership report required for company insiders. This filing identifies Allyson as a director of X-Energy, Inc. but does not list any specific stock transactions or derivative positions.
X-Energy, Inc. filed an initial insider ownership report identifying David B. Kaplan as a director of the company. The filing is a Form 3, which establishes his status as a reporting person under SEC rules, and it does not report any transactions in the company’s securities.
X-Energy, Inc. director Gregory James Goff filed an initial ownership report showing his equity position in the company. He holds 117,640 shares of Class A common stock, which includes 16,750 shares of restricted stock.
Goff also holds a stock option covering 33,356 underlying shares of Class A common stock at an exercise price of $23.00 per share, expiring on April 24, 2036. The option is vested as to 28,607 underlying shares, with the remaining 4,749 underlying shares scheduled to vest in two substantially equal annual installments beginning on January 1, 2027. The filing does not report any new purchases or sales, only current holdings.
X-Energy, Inc. director Christopher Ginther filed an initial ownership report showing he holds 117,640 shares of Class A common stock, including 16,750 shares of restricted stock. He also holds stock options over 33,356 shares at an exercise price of $23.00 per share, expiring on April 24, 2036. Of these option shares, 28,607 are already vested, with the remaining 4,749 scheduled to vest in two substantially equal annual installments beginning on January 1, 2027.
X-Energy, Inc. director Kathleen W. Hyle reported her initial ownership of company securities. She directly holds 117,640 shares of Class A Common Stock, including 29,410 shares of restricted stock. She also holds a stock option on 33,355 shares of Class A Common Stock at an exercise price of $23.00 per share, expiring on April 24, 2036. The option is vested for 25,017 underlying shares, with an additional 3,589 shares vesting on January 1, 2027 and 4,749 shares vesting in two substantially equal annual installments beginning on January 1, 2027. This filing lists holdings and vesting terms rather than any new purchase or sale.