UMPQUA HOLDINGS CORP (no ticker) made 1,001 filings in its most recent EDGAR window (2014-02-26 to 2024-02-09) — about 100 routine filings per year once routine debt and shelf offerings are excluded. 626 of the filings are insider forms (Form 4: 602, Form 3: 18, Form 5: 6), i.e. 62.5% of routine filings.
Of the 1,001 filings in this window, 6 (0.6%) are routine debt or shelf offerings (form 424B*, FWP, S-3*), which are excluded from the routine rate below because large issuers generate them continuously.