"Having been able to lead this team has been an honor," the 31-year-old said in a press release.
After seven years as a professional in the Netherlands, Gustafson returned to Häcken in the summer of 2022, a season that ended with the club's first Swedish Championship title. Häcken has since also won the Swedish Cup in both 2023 and 2025.
Häcken has not said what Simon Gustafson's next club will be. According to Polish media, the two-time national team player is moving to Kielce, information Göteborgs-Posten has also received.
