InsiderTrades

Form 4 for HDRN Hadron Energy, Inc.

Accepted 2026-05-27 20:45:34 ET · period of report 2026-05-22 · accession 0001451693-26-000012 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-05-27 20:45 2026-05-22 HDRN Katz Avi S COB, Dir, 10% A - Grant — +87.5K 87.5K New —
DMI 2026-05-27 20:45 2026-05-22 HDRN Katz Avi S COB, Dir, 10% A - Grant — +10.02M 9.93M New —
DI 2026-05-27 20:45 2026-05-22 HDRN Katz Avi S COB, Dir, 10% M - OptEx — -9.93M 0 -100% —
DMI 2026-05-27 20:45 2026-05-22 HDRN Katz Avi S COB, Dir, 10% J - Other — -58.6K 0 -100% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-05-22 A A 87,500 — 87,500 D — — (F1) Received by Dr. Avi S. Katz in exchange for 1,750.04 shares of Hadron Energy, Inc. ("Hadron") held by Dr. Katz, in connection with the merger of Hadron into a subsidiary of GigCapital7 Corp. (the "Company") (the "Merger") pursuant to the exchange ratio set forth in the business combination agreement between Hadron and the Company. The acquisition of these shares is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange pursuant to the Securities and Exchange Act of 1934, as amended. (F2) The closing price of the Company's Common Stock on the effective date of the Merger was $5.16.
2 Common Common Stock 2026-05-22 A A 87,500 — 87,500 I By Spouse, Dr. Raluca Dinu — — (F3) Received by Dr. Raluca Dinu in exchange for 1,750.04 shares of Hadron held by Dr. Dinu, in connection with the Merger of Hadron into a subsidiary of the Company pursuant to the exchange ratio set forth in the business combination agreement between Hadron and the Company. The acquisition of these shares is an exempt transaction under Rule 16b-3, promulgated by the U.S. Securities and Exchange pursuant to the Securities and Exchange Act of 1934, as amended. (F2) The closing price of the Company's Common Stock on the effective date of the Merger was $5.16.
3 Common Common Stock 2026-05-22 A A 9,932,246 — 9,932,246 I By GigAcquisitions7 Corp. — — (F4) The Common Stock are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, the Issuer's Chairman of the Board of Directors, and Dr. Dinu, the Issuer's Director. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor. (F2) The closing price of the Company's Common Stock on the effective date of the Merger was $5.16. (F4) The Common Stock are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, the Issuer's Chairman of the Board of Directors, and Dr. Dinu, the Issuer's Director. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.
4 Derivative Class B ordinary shares 2026-05-22 M D 9,932,246 — 0 I GigAcquisitions7 Corp. — · 2026-05-22 to 2026-05-22 9,932,246 Common Stock (F2) The closing price of the Company's Common Stock on the effective date of the Merger was $5.16. (F2) The closing price of the Company's Common Stock on the effective date of the Merger was $5.16. (F4) The Common Stock are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, the Issuer's Chairman of the Board of Directors, and Dr. Dinu, the Issuer's Director. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.
5 Derivative Convertible Promissory Note 2026-05-22 J D 29,300 — 0 I GigAcquisitions7 Corp. — · 2026-05-22 to 2026-05-22 29,300 Class A ordinary shares (F5) In connection with the closing of the Merger, the principal balance of the convertible promissory note was paid in full. (F5) In connection with the closing of the Merger, the principal balance of the convertible promissory note was paid in full. (F4) The Common Stock are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, the Issuer's Chairman of the Board of Directors, and Dr. Dinu, the Issuer's Director. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.
6 Derivative Convertible Promissory Note 2026-05-22 J D 29,300 — 0 I GigAcquisitions7 Corp. — · 2026-05-22 to 2026-05-22 29,300 Warrants (F5) In connection with the closing of the Merger, the principal balance of the convertible promissory note was paid in full. (F5) In connection with the closing of the Merger, the principal balance of the convertible promissory note was paid in full. (F4) The Common Stock are held directly by GigAcquisitions7 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned by Dr. Katz, the Issuer's Chairman of the Board of Directors, and Dr. Dinu, the Issuer's Director. Dr. Katz and Dr. Dinu are the members of the Sponsor, who both have the voting and dispositive power over the shares held by the Sponsor.