X-Energy XE Insider Ownership

Updated Oct 10, 2026

Over the past year, XE insiders bought $282,900 of stock (12.3K shares) on the open market and sold none.

• By number of insiders, X-Energy saw 4 insiders buy on the open market over the past 12 months and none sell.
• Among XE's insiders, Kathleen W. Hyle (Director) was the top open-market buyer in the past 12 months, with $230,000 of stock purchased (10K shares) and the latest purchase on April 27, 2026.
• Outside the open market, X-Energy insiders received 296.67K shares in stock awards over the past 12 months.
• According to Business Quant data, insiders at X-Energy reported 9.65Mn shares in total in their latest Form 4 filings, unchanged from 9.65Mn shares at the end of Q2 2026.
• Of the 9.65Mn shares held by X-Energy insiders, 4.34Mn shares (44.98%) are held directly and 5.31Mn shares (55.02%) indirectly, through trusts, partnerships, family members and other entities.
• Business Quant counts 9 insiders with holdings in X-Energy stock, among the officers, directors and 10% owners who have filed a Form 4 in the past two years.
• X-Energy's three largest insider shareholders, based on their latest Form 4 filings, are Kamal Seyed Ghaffarian (Director and 10% owner, 6.55Mn shares), Daniel Andrew Gross (Officer, 1.03Mn shares) and Edward Sonnenschein (Director, 820.11K shares).
• The largest insider, Kamal Seyed Ghaffarian, holds 67.88% of XE's insider total.
• Institutions held 44.59% of X-Energy's outstanding shares in their Q2 2026 13F filings, insiders about 2.37% based on their latest Form 4 filings, and other investors, including the public, the remaining 53.04%.
• Over the trailing 12 months, 9 insiders reported transactions in XE stock across 11 Form 4 filings.
• Insider figures for XE include Form 4 filings through June 16, 2026.