MICROSOFT CORP (MSFT) made 1,002 filings in its most recent EDGAR window (2020-08-07 to 2026-09-17) — about 163 routine filings per year once routine debt and shelf offerings are excluded. 756 of the filings are insider forms (Form 4: 744, Form 3: 10, Form 5: 2), i.e. 75.4% of routine filings.
Of the 1,002 filings in this window, 8 (0.8%) 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.