[1] On 5 July 2017 he signed with Oettinger Rockets, newcomer in the first tier Basketball Bundesliga.

[3] On 1 July 2019 he signed a two-year deal with ratiopharm Ulm of the Basketball Bundesliga.

[5] On 22 November 2024 in a game against FC Barcelona, Obst recorded 11 three-pointers and 1 free throw for a total of 34 points in a 100–78 win, breaking the record for the most three-pointers in a single EuroLeague game, which was previously held by Shane Larkin, Andrew Goudelock, and Marcus Eriksson at 10.

[6] In 2016, Obst was selected for the German national basketball team, to play in the qualification rounds for the EuroBasket 2017.

Obst also played against USA Olympic Basketball Team in London Showcase games