Lucas Nathan moved to Grêmio Osasco ahead of the 2019 season, but was presented at Caldense on 4 April of that year.[1] Despite spending the 2019 Série D without a single appearance, he became a regular starter in the 2020 campaign.
On 3 March 2021, Lucas Nathan joined Coritiba on loan until the end of the year, with a buyout clause.[2][3] On 7 July, after being rarely used, he moved to Ituano also in a temporary deal,[4] and helped the club in their 2021 Série C winning campaign.
On 2 December 2022, still owned by Caldense, Lucas Nathan was announced at Portuguesa.[5]