GigCapital9 Corp.

Filing Date

Jan 26, 2026

Transaction Date

Jan 23, 2026

Accession Number

0001451693-26-000003

Form Type

3

Footnotes

1. (F1)Includes 10,000 Class A ordinary shares underlying the private placement units to be purchased concurrently with the initial public offering.
2. (F2)The Class B ordinary shares and Class A ordinary shares underlying the private placement units are held directly by GigAcquisitions9 Corp. (the "Sponsor"). The shares held by the Sponsor are beneficially owned equally (50% each) by Dr. Katz, the Issuer's Chief Executive Officer and Chairman of the Board of Directors, and Dr. Raluca 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.
3. (F3)The Class B ordinary shares are convertible for the Issuer's Class A ordinary shares as described under the heading "Description of Securities" in the Issuer's Registration Statement on Form S-1 (File No. 333-291869) and have no expiration date.
4. (F4)Includes 6,472,519 Class B ordinary shares of the Issuer acquired by the Sponsor prior to the Issuer's initial public offering convertible for the Issuer's Class A ordinary shares, of which 844,249 Class B ordinary shares remain subject to forfeiture depending on the extent to which the underwriters' over-allotment option is exercised.
5. (F5)Includes 2,000 rights underlying the private placement units, which are sold in a private placement taking place simultaneously with the Issuer's initial public offering. Each right is exchangeable for one-fifth of one Class A ordinary share upon the completion of the Issuer's initial business combination.