| 10-K / 10-Q | Annual and quarterly reports: audited and interim financials, MD&A, risk factors, segments, liquidity, legal proceedings. |
| 8-K + exhibits | Material events in near-real time — earnings releases, M&A, leadership changes, guidance, restatements, financings. |
| DEF 14A / DEFA14A | Proxy statements: executive compensation, board structure, governance, shareholder proposals, contested campaigns. |
| S-1 / F-1 | IPO registration: business model, risk factors, financial history, ownership, use of proceeds. |
| S-3 / F-3 & 424B | Shelf registrations and prospectus supplements: actual terms of debt and equity offerings; dilution and leverage signal. |
| S-4 / 425 | Merger registrations and deal communications: transaction structure, projections, fairness materials. |
| Form 10 / 10-12B | Spin-offs and direct registrations of new public companies. |
| 20-F / 6-K / 40-F | Foreign private issuer annual reports and interim updates; the bridge into cross-listed global names. |
| NT 10-K / NT 10-Q | Late-filing notices — a screening red flag by construction. |
| SEC comment letters | UPLOAD / CORRESP correspondence: the regulator’s questions and the company’s answers; high-value risk detection. |
| XBRL & Financial Statement Data Sets | Structured fundamentals via company-facts APIs and quarterly bulk downloads — the machine-readable statement layer. |