União Brasil
Party for which Moro was elected senator in 2022; he left it in March 2026.
On the timeline
Evidence
On March 31, 2022, Moro announced that he was giving up his presidential pre-candidacy to join União Brasil, at the invitation of Luciano Bivar, and the president of Podemos said she learned of his departure from the press.
Source: Sergio Moro desiste de candidatura à Presidência (Agência Brasil) — O Imparcial (reproduction of Agência Brasil), Mar. 31, 2022 · paragraphs 1 and 2 · open original ↗
Moro was elected senator for Paraná on October 2, 2022, for União Brasil, with 33.5% of valid votes (1,953,188 votes), according to Rádio Senado.
Source: Sergio Moro é eleito senador pelo Paraná — Rádio Senado, Oct. 2, 2022 · final paragraphs · open original ↗
On March 24, 2026, Moro made official in Brasília his departure from União Brasil and his affiliation with the PL, Bolsonaro's party, alongside Flávio Bolsonaro, a presidential pre-candidate, and confirmed his intention to run for governor of Paraná.
Source: Após idas e vindas, Moro se filia ao PL, sela aliança com Flávio Bolsonaro e mira governo do Paraná — O Tempo, Mar. 24, 2026 · paragraphs 1 to 5 · open original ↗