0001786108 trin:Sec7.875NotesDue2029aMember 2026-07-14 2026-07-14 0001786108 2026-07-14 2026-07-14 0001786108 trin:Sec7.875NotesDue2029Member 2026-07-14 2026-07-14 0001786108 trin:CommonStockParValue0.001PerShareMember 2026-07-14 2026-07-14 0001786108 false 8-K 2026-07-14 TRINITY CAPITAL INC. MD 001-39958 35-2670395 1 N. 1st Street Suite 302 Phoenix AZ 85004 480 374-5350 false false false false Common Stock, par value $0.001 per share TRIN NASDAQ 7.875% Notes Due 2029 TRINZ NASDAQ 7.875% Notes Due 2029 TRINI NASDAQ false