[1] He currently competes in the 2024 USF Pro 2000 Championship driving for Jay Howard Driver Development.

[2][3] In 2022, Mossman would compete at rounds 5–7 in the 2022 USF2000 Championship at the Indianapolis Motor Speedway driving for Jay Howard Driver Development.

For 2023, Mossman would make his debut in the 2023 Formula 4 United States Championship driving for Jay Howard Driver Development.

[4] He would score his best finish with winning race two at Road America before getting a post-race penalty for a jumpstart.

[2] He would finish a best of 9th at COTA, and come back for Portland International Raceway On December 14, 2023, it was announced that Mossman would compete in the 2024 USF Pro 2000 Championship full-time, sticking with Jay Howard Driver Development.