NEW YORK–(BUSINESS WIRE)–Hadron Energy, Inc. (“Hadron”), an innovative developer of factory-fabricated, light-water micro-modular reactors (“MMRs”), and GigCapital7 Corp. (Nasdaq: GIG), today announced the filing of their joint registration statement on Form S-4 with the U.S. Securities and Exchange Commission (SEC) in connection with their previously announced $1.2 billion business combination agreement on September 29, 2025, targeting to close the merger during the first half of Q1 2026. Th