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Edgar
5 guides in Finabase Learn
- 13F filings: what institutional holdings reports show and miss Who must file Form 13F, the 45-day lag, what is reported and left out, how 13F differs from Schedules 13D and 13G, and the traps in reading fund holdings.
- Form 8-K: what triggers it, the item numbers and how to read one What forces a US company to file a Form 8-K, the item numbers that matter, the four-business-day deadline, furnished vs filed, and Apple’s real 8-Ks from 2025–26.
- How to research a stock: a step-by-step guide for beginners A six-step process for researching a company before you invest: the business, SEC filings on EDGAR, the financial statements, valuation, risks and a written thesis.
- Insider trading filings: Forms 3, 4 and 5 and how to read them Who counts as a Section 16 insider, the Form 3, 4 and 5 deadlines, the transaction codes, Rule 10b5-1 plans, and how to tell a real insider buy from routine selling.
- SEC filings explained: 10-K, 10-Q, 8-K, proxy, 13F and more A map of the SEC forms investors meet, the filing deadlines by filer status, and how to search EDGAR and its XBRL data, using Apple’s real filing calendar.
Educational content, not investment advice. Finabase Learn explains how markets and tools work. It does not recommend any security or strategy, and examples are for illustration only. Investing involves risk, including the loss of principal. Rules and figures are for the United States unless stated and can change — check the cited source before you act.