0001513363 2026-02-17 2026-02-17 0001513363 false 8-K 2026-02-17 Fidus Investment Corporation MD 814-00861 27-5017321 1603 Orrington Avenue Suite 1005 Evanston IL 60201 847 859-3940 false false false false Common Stock, par value $0.001 per share FDUS NASDAQ false