0002079999 1 2026-06-19 2026-06-19 0002079999 2026-06-19 2026-06-19 iso4217:USD pure shares S-1 EX-FILING FEES 0002079999 N/A N/A S-1 Cardinal Infrastructure Group Inc. false Equity Class A Common Stock, par value $0.0001 per share true 4312500 71.01 306230625.00 0.0001381 42290.45 306230625.00 42290.45 0.00 0.00 42290.45 Maximum Aggregate Offering Price is estimated solely for the purpose of calculating the registration fee in accordance with Rule 457(a) under the Securities Act of 1933, as amended, and includes the offering price of any additional shares that the underwriters have the option to purchase.