# Company filings and the story behind the numbers

Informational only - not investment advice.

Book: [Reading Financial Data - Step by Step](/guide/)

Use 10-Ks, 10-Qs, MD&A, and thread pages as plain reading aids.

## Lessons
- [What is a 10-K vs. a 10-Q?](/guide/filings-and-story/ten-k-vs-ten-q/): A 10-K is annual. A 10-Q is quarterly.; as of 2026-05-29
- [What is MD&A?](/guide/filings-and-story/what-is-mda/): MD&A is management's discussion of financial condition and results of operations.; as of 2026-02-23
- [What are risk factors?](/guide/filings-and-story/what-are-risk-factors/): Risk factors are a filing section that names uncertainties the company discloses.; as of 2026-03-13
- [How a macro thread connects pages](/guide/filings-and-story/macro-to-company-thread/): A thread gathers a macro theme, mapped SIC sectors, company financials, and literal MD&A mentions.; as of 2026-05-01
- [Source links and as-of dates](/guide/filings-and-story/source-links-and-as-of-dates/): Every reading should include where the number came from and when it was current.; as of 2026-05-01