Guides
How to read what companies file, one form at a time, and how the leagues turn a filing into a score.
How to read a 10-K
A practical order for reading a company's annual report: which items to open first, what to look for in each, and which questions to bring.
How to read a 10-Q
What is in a quarterly report, how its columns differ from the annual report's, and how to read one quickly against the last 10-K.
Reading an 8-K
How current reports work, which item numbers matter most, the difference between filed and furnished, and how to read an earnings release with care.
Insider trades: what Form 4 tells you
How to read a Form 4 line by line, which transaction codes are decisions and which are paperwork, and what an insider's trade can and cannot tell you.
What a 13F shows and what it hides
Who files 13F reports, what one holding line contains, the many things a 13F leaves out, and how to read a fund's quarter-to-quarter changes without overreading them.
How Listed leagues score your calls
A worked walk through one league target, from the quarter end to the score, with the formula, illustrative examples, the fourth-quarter case and the void rule.