General Fusion Group Ltd. supplements its October 6, 2026 prospectus with information from a Form 6-K reporting press releases that announced a temperature milestone achieved by the Lawson Machine 26 demonstration. Its Subordinate Voting Shares and Public Warrants are listed on Nasdaq; their last reported sales prices on October 7, 2026, were $7.60 and $1.40, respectively.
General Fusion Group Ltd. (GFUZ) reported that its Lawson Machine 26 (LM26) demonstration exceeded the 1 keV electron-temperature milestone using Magnetized Target Fusion. Thomson scattering, measured with the UK Atomic Energy Authority (UKAEA), recorded approximately 1.1 keV (12.6 million degrees Celsius) just before peak compression; the company’s AXUV diagnostic recorded approximately 1.2 keV (13.7 million degrees Celsius) during peak compression, where Thomson scattering measurement was unavailable. Ion heating was approximately 0.46 keV, up to a twofold increase above starting ion temperature.
The company describes this as the first of three LM26 technical milestones and says upgrades are underway for the next targeted milestone, compressional heating to 10 keV. It says the Thomson-scattering and AXUV results are detailed in separate technical papers submitted for peer review, with the Thomson-scattering paper co-authored with UKAEA. The program is designed to support the company’s goal of beginning operation of a first-of-a-kind plant around 2035.
General Fusion Group Ltd. registers 109,928,827 Subordinate Voting Shares for issuance upon exercise or conversion of warrants and other securities, and 102,402,511 Subordinate Voting Shares plus 12,223,034 warrants for resale by selling securityholders. The company receives no proceeds from those resales. It estimates approximately $339.9 million in gross proceeds assuming full cash exercise of the specified warrants; several warrant groups may also be exercised cashlessly. Net proceeds from warrant exercises are intended for general corporate purposes.
Subordinate Voting Shares outstanding totaled 53,132,058 as of September 4, 2026. General Fusion reported plasma heating to approximately 0.72 keV in June 2026 as part of its LM26 demonstration program. The company describes its business as pre-commercial, with no revenue or profit history; it reported negative operating cash flows of $24.0 million and an accumulated deficit of $332.0 million for or as of December 31, 2025, respectively, and identified material weaknesses in internal control over financial reporting.
General Fusion Group Ltd. (GFUZ) reports an auditor transition following its recent business combination with Spring Valley Acquisition Corp. III, now operating under its new name. The audit committee appointed PricewaterhouseCoopers LLP as independent registered public accounting firm for the year ending December 31, 2026, starting with the quarter ended September 30, 2026. On the same date, WithumSmith+Brown, PC resigned as auditor; its prior report on the 2025 financial statements included an explanatory paragraph expressing substantial doubt about the company’s ability to continue as a going concern. The company reiterates that Spring Valley’s March 31, 2026 financials were restated after a subscription agreement liability was overstated by approximately $411.3 million, leading to an equivalent overstatement of net loss and a material weakness in internal control over financial reporting related to valuation of complex financial instruments and ineffective disclosure controls as of March 31, 2026.
General Fusion Group Ltd. (GFUZ) filed a shelf-style registration covering up to 109,928,827 Subordinate Voting Shares issuable upon exercise or conversion of warrants, Multiple Voting Shares and Earnout Shares, and the resale by existing holders of 102,402,511 Subordinate Voting Shares, related warrants and converted shares.
The company will not receive proceeds from resales by selling securityholders but would receive up to $339.9 million in gross proceeds if all fee-bearing Spring Valley, SAFE and PIPE warrants are exercised for cash. Subordinate Voting Shares were 53,132,058 outstanding as of September 4, 2026. GFUZ is a British Columbia–based fusion technology developer formed via a July 2026 business combination with SPAC Spring Valley Acquisition Corp. III.
General Fusion Group Ltd. (GFUZ) director Christopher Dixon Sorrells reported equity-based compensation on September 2, 2026. He received 6,818 restricted stock units, each representing one common share, and options for 11,065 common shares at an exercise price of $11.00 per share. Both the RSUs and options vest in three equal annual installments beginning July 13, 2027, and the options expire on September 2, 2036. No Rule 10b5-1 trading plan is reported.
General Fusion Group Ltd. (formerly Spring Valley Acquisition Corp. III) amended its quarterly report for the three months ended March 31, 2026 to restate the valuation of a subscription agreement liability tied to PIPE financing commitments. The liability as of March 31, 2026 was reduced to $13.9 million, lowering reported net loss for the quarter to $12.0 million from a previously reported loss higher by $411.3 million. Total assets were $235.6 million, including $234.7 million held in the SPAC trust and $665 thousand of cash outside the trust, while Class A shares subject to redemption totaled $234.6 million. Management and the board determined the original error was material and concluded prior March 31, 2026 interim financial statements should no longer be relied upon, leading to this restatement.
Management also identified a material weakness in internal control over financial reporting related to review controls for valuing complex financial instruments, and disclosure controls were deemed ineffective as of March 31, 2026. The company completed its business combination with General Fusion on July 10, 2026, following shareholder approval and significant redemptions of Class A shares, and settled the PIPE Subscription Agreements at that time.
General Fusion Group Ltd. (GFUZ) reports that its predecessor, Spring Valley Acquisition Corp. III, completed a previously announced business combination with General Fusion Inc. and a subsidiary, after which Spring Valley was renamed General Fusion Group Ltd. and Old General Fusion’s common shares were exchanged for subordinate voting shares of the new entity, now listed on Nasdaq. In connection with the transaction, investors provided $107.7 million of PIPE Financing through the purchase of 10,556,367 units at $10.20 per unit, each unit including one convertible preferred share and a warrant exercisable at $12.00 per share.
Management has determined, after discussion with auditor WithumSmith+Brown, PC, that the estimated fair value of a non-cash subscription liability in Spring Valley’s condensed consolidated financial statements as of and for the quarter ended March 31, 2026 was overstated. The liability did not affect cash and was extinguished at the July 10, 2026 closing of the business combination and related PIPE Financing, so it will not appear in General Fusion Group’s financial statements. However, the Board, on the Audit Committee’s recommendation, concluded that Spring Valley’s March 31, 2026 interim financial statements included in its Form 10-Q and Form F-4 should no longer be relied upon and will be restated in an amended Form 10-Q to be filed as soon as practicable.
Merus Global Investments, LLC filed an amended Schedule 13G indicating it no longer holds a reportable position in General Fusion Group Ltd. Class A ordinary shares. The firm reports beneficial ownership of 0 shares, representing 0.0% of the class, with no sole or shared voting or dispositive power.