Insider Filing for Ross T. Ridenoure of Hadron Energy, Inc.

This filing details the ownership changes for Ross T. Ridenoure, Chief Nuclear Officer of Hadron Energy, Inc. (HDRN), following the merger of Hadron into a subsidiary of GigCapital7 Corp. on May 26, 2026. Ridenoure acquired 499,900 shares of common stock. 10,000 shares were received in exchange for previously held shares as part of the merger. An additional 489,900 shares were acquired through a Restricted Stock Purchase Award Agreement, with repurchase rights vesting over time. Specifically, 1/10th of these shares vested on May 22, 2026, and another 1/4th will vest on August 29, 2026. Subsequent monthly vesting of 1/48th of the shares will continue until fully vested. The transactions are deemed exempt under Rule 16b-3.