X-Energy, Inc. director Wallace Michael J Wallace filed an initial Form 3 showing his equity position in the company. He directly holds 70,161 shares of Class A Common Stock, including 17,540 shares of restricted stock. He also holds stock options over 4,837 shares at an exercise price of $23.00 per share, vested as to 3,628 shares and scheduled to vest for an additional 1,209 shares on September 12, 2026, with the options expiring in 2036.
X-Energy, Inc. director Edward Sonnenschein filed an initial ownership report showing existing stakes in the company. He directly holds 813,592 shares of Class A common stock, including 17,540 shares of restricted stock, and indirectly holds 30,831 shares through IBX X-Energy SPV I, LLC.
He also holds a stock option covering 4,837 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 3,628 underlying shares, with the remaining 1,209 shares scheduled to vest on September 12, 2026. The filing reports holdings only, not new purchases or sales.
X-Energy, Inc. filed an initial insider ownership report for Dr. Kamal Ghaffarian and X-Energy Holdings, LLC as 10% owners. The filing shows indirect ownership of 84,292,133 shares of Class B Common Stock and 5,029,077 shares of Class A Common Stock, plus 1,234,021 Class A shares held directly. Common Units representing 84,292,133 underlying Class A shares are redeemable on a one-to-one basis, with each Class B share cancelled upon exchange. Dr. Ghaffarian has sole voting and dispositive power over the securities held by the related entities, while disclaiming beneficial ownership beyond his pecuniary interest.
X-Energy, Inc. filed an initial ownership report for Joel Duling, President of TRISO-X, showing his equity stake in the company. He directly holds 552,599 shares of Class A common stock, including 423,855 shares of restricted stock, plus stock options tied to 207,549 shares at a $23.00 exercise price that expire on April 24, 2036, with portions vesting in annual installments beginning in 2026.
X-Energy, Inc. executive Dinkar S. Bhatia filed an initial ownership report showing his equity stake in the company. He directly holds 574,335 shares of Class A Common Stock, which includes 306,719 shares of restricted stock. He also holds a stock option for 215,713 underlying shares of Class A Common Stock at an exercise price of $23.00 per share. The option is vested as to 75,883 underlying shares, with additional portions scheduled to vest in substantially equal annual installments beginning on December 23, 2026 and January 1, 2027. This filing records existing holdings rather than reporting a new purchase or sale.
X-Energy, Inc. reported the initial equity holdings of officer Steven L. Miller. He directly holds 948,747 shares of Class A Common Stock, including 326,640 shares of restricted stock, indicating a substantial existing ownership stake rather than a new market transaction.
Miller also holds a stock option covering 254,740 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 82,332 underlying shares, with additional tranches vesting in annual installments beginning in 2026 and 2027.
X-Energy, Inc. Chief Accounting Officer Laura Garcia filed an initial insider report detailing her equity holdings. She directly owns 195,622 shares of Class A common stock, including 75,254 shares of restricted stock. She also holds stock options covering 73,473 underlying shares at an exercise price of $23.00 per share, expiring on April 24, 2036.
The options are vested as to 34,130 shares, with the remaining portions scheduled to vest in tranches between December 2026 and January 2028.
Popovic Dragan, an officer of X-Energy, Inc., has reported initial ownership of the company’s equity. The filing shows direct ownership of 544,962 shares of Class A Common Stock, which a footnote clarifies represent restricted stock. He also holds a stock option over 891,208 shares of Class A Common Stock at an exercise price of $23.00 per share. This option expires on April 24, 2036 and vests in four substantially equal annual installments beginning on December 23, 2026, indicating a long-term, time-based compensation structure rather than a current market transaction.
X-Energy, Inc. officer Daniel Andrew Gross filed an initial ownership report showing he holds 778,518 shares of Class A Common Stock as restricted stock and stock options covering 1,273,155 shares of Class A Common Stock at an exercise price of $23.00 per share. The stock options expire on April 24, 2036 and vest in four substantially equal annual installments beginning on December 23, 2026.
X-Energy, Inc. Chief Executive Officer Jeffrey Clay Sell filed an initial Form 3 detailing his ownership in the company. He reports direct holdings of 3,747,172 shares of Class A Common Stock, which include 1,439,004 shares of restricted stock.
Sell also holds a stock option covering 1,281,329 underlying shares of Class A Common Stock at an exercise price of $23.00 per share, expiring on April 24, 2036. The option is currently vested as to 284,534 shares, with additional portions scheduled to vest in installments beginning in 2026 and 2027. The filing reflects existing positions rather than new market transactions.