Btc Digital LTD. (BTCT) SEC Filings — 2026 1 SEC filing for Btc Digital LTD. (BTCT) in 2026. FilingsBTC Digital Ltd. Files S-8 for Employee Stock Plans — S-8 · Apr 17, 2026 ExploreAll BTCT Filings · BTCT 2025 · All 2026 Filings