SCHEDULE 13G/A 1376474-25-000287 0001891626 XXXXXXXX LIVE 1 Ordinary Shares (par value .0001) 05/22/2025 0002047455 Quartzsea Acquisition Corp G7314B104 SUITE 331 1185 6TH AVE NEW YORK NY 10036 Rule 13d-1(c) Feis Equities LLC IL 484963 0 484963 0 484963 4.25 OO Type of Reporting Person: OO - Limited Liability Company Lawrence M. Feis X1 484963 0 484963 0 484963 4.25 IN Quartzsea Acquisition Corp 1185 Avenue of the Americas, Suite 304 New York, NY 10036 (i) Feis Equities LLC (ii) Lawrence M. Feis The address of the business office of each of the Reporting Persons is: 1940 Waukegan Road Suite 206 Glenview, Illinois 60025 Citizenship is set forth in Row 4 of the cover page for each Reporting Person hereto and is incorporated hereto by reference for each Reporting Person. Y 484,963 - The information required by Items 4(a)-(c) is set forth in Rows 5-11 of the cover page for each Reporting Person and incorporated by reference herein. The percentage set forth in row 11 of the cover page for each Reporting Person is based on 11,409,900 ordinary shares outstanding as of April 30, 2025, as reported by the Issuer in its quarterly 10-Q filing for the period ending February 28, 2025, filed with the Securities and Exchange Commission on April 30, 2025. 4.25 484,963 0 484,963 0 Y Y Y Y Y By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Exhibit A - Joint Filing Agreement Feis Equities LLC Lawrence M. Feis 05/27/2025 Lawrence M. Feis Lawrence M. Feis 05/27/2025