Great Elm Capital CORP. (GECC) SEC Filings — 2026 1 SEC filing for Great Elm Capital CORP. (GECC) in 2026. FilingsGreat Elm Capital CORP. DEFA14A Filing — DEFA14A · Apr 13, 2026 ExploreAll GECC Filings · GECC 2025 · All 2026 Filings