Stellar Bancorp, INC. (STEL) SEC Filings — 2026 1 SEC filing for Stellar Bancorp, INC. (STEL) in 2026. FilingsStellar Bancorp Files 8-K with Merger Press Release — 8-K · Apr 22, 2026 ExploreAll STEL Filings · STEL 2025 · All 2026 Filings