Marwynn Holdings, INC. (MWYN) SEC Filings — 2026 1 SEC filing for Marwynn Holdings, INC. (MWYN) in 2026. FilingsMarwynn Holdings EFFECT Filing Effective April 17, 2026 — EFFECT · Apr 20, 2026 ExploreAll MWYN Filings · MWYN 2025 · All 2026 Filings