[1] In February 2023, 16-year-old Høgsberg was selected for Nordsjælland's training camp in Turkey.

[2] On 5 April 2022, 16-year old Høgsberg got his official debut for Nordsjælland against Aarhus Fremad in the Danish Cup.

[5] Just a few days earlier, 16-year-old Høgsberg had just been permanently promoted to the first team squad.

[7] On 16 September 2024, in a match against Randers FC, 18-year-old Høgsberg recorded his first assist at senior level when he set up Jeppe Tverskov's 1-1 score.

[8] After an autumn in the 2024-25 season where Høgsberg had become a starter for Nordsjælland, in late January 2025 there were rumors of strong interest from Italian Serie A club Como 1907, who had reportedly offered 10 million euros for the Dane, which was rejected by Nordsjælland.