Zscaler, Inc. (ZS) made 883 filings in its most recent EDGAR window (2017-08-25 to 2026-10-09) — about 96 routine filings per year once routine debt and shelf offerings are excluded. 538 of the filings are insider forms (Form 4: 515, Form 3: 23, Form 5: 0), i.e. 60.9% of routine filings.
Of the 883 filings in this window, 12 (1.4%) 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.