SCHEDULE 13G 0002092830 XXXXXXXX LIVE Class A Common Stock, par value $0.0001 per share 12/31/2025 0002079999 CARDINAL INFRASTRUCTURE GROUP INC. 14154A102 100 E. Six Forks Rd. Suite 300 Raleigh NC 27609 Rule 13d-1(d) Jeremy Simmons Spivey X1 10179004.00 2050844.00 10179004.00 2050844.00 12229848.00 N 45.0 IN Spivey Family 2024 Irrevocable Trust U/A dated 5/13/24 NC 2050844.00 0.00 2050844.00 0.00 12229848.00 N 45.0 OO CARDINAL INFRASTRUCTURE GROUP INC. 100 E. SIX FORKS RD., SUITE 300, RALEIGH, NC. 27609 Jeremy Simmons Spivey c/o Cardinal Infrastructure Group Inc. 100 E. Six Forks Rd. Suite 300 Raleigh, NC. 27609 United States of America. Y The ownership information presented below represents beneficial ownership of the shares of Class A Common Stock as of December 31, 2025, based upon 14,947,318 shares of Class A Common Stock outstanding as of December 31, 2025 plus 12,229,848 shares which the Reporting Person had the right to acquire within 60 days of December 31, 2025 . Jeremy Simmons Spivey - 12,229,848 Spivey Family 2024 Irrevocable Trust U/A dated 5/13/24 - 12,229,848 Jeremy Simmons Spivey - 45.0% Spivey Family 2024 Irrevocable Trust U/A dated 5/13/24 - 45.0% Jeremy Simmons Spivey - 10,179,004 Spivey Family 2024 Irrevocable Trust U/A dated 5/13/24 - 2,050,844 Jeremy Simmons Spivey - 2,050,844 Spivey Family 2024 Irrevocable Trust U/A dated 5/13/24 - 10,179,004 Jeremy Simmons Spivey - 10,179,004 Spivey Family 2024 Irrevocable Trust U/A dated 5/13/24 - 2,050,844 Jeremy Simmons Spivey - 2,050,844 Spivey Family 2024 Irrevocable Trust U/A dated 5/13/24 - 10,179,004 As of December 31 2025, Jeremy Simmons Spivey was the record holder of 10,179,004 shares of Class A Common Stock underlying the LLC Units of Cardinal Holdings and associated shares of Class B Common Stock of the Issuer, which may be redeemed by the Reporting Person at any time at the option of the holder for shares of Class A Common Stock on a one-for-one basis. Mr. Spivey is the spouse of the trustee of the Spivey Family 2024 Irrevocable Trust U/A dated 5/13/24, as amended (the "Spivey Family Trust"), and as a result, may be deemed to share beneficial ownership of the securities held by the Spivey Family Irrevocable Trust. As a result, Mr. Spivey may be deemed to share beneficial ownership of the shares of Class A Common Stock underlying the LLC Units directly held by the Spivey Family Trust. Y Y Y Y Y Y 99 Joint Filing Agreement. Jeremy Simmons Spivey /s/ Jeremy Spivey 02/17/2026 Spivey Family 2024 Irrevocable Trust U/A dated 5/13/24 /s/ Jeremy Spivey 02/17/2026