SEC filings, explained without the jargon.
Plain-English guides to SEC filings — Form 4, 8-K, 10-K, Schedule 13D and 13G — plus product notes from the TickerCatalyst team.
FILING GUIDES / SEPTEMBER 14, 2026
Filing obligations are governed by fixed windows after fiscal period ends. That makes a company’s next 10-K or 10-Q date estimable from its own filing history.
Read the articleHOW-TO
EDGAR’s search covers the text of filings, not just their metadata. A few habits turn it from a lookup tool into a research tool.
· 5 min read
HOW-TO
Insider transaction data is free and public. Here is where it lives, how to filter it down to the transactions that actually reflect a decision, and where the manual approach breaks down.
· 6 min read
FILING GUIDES
Both filings mean an investor crossed 5% ownership. The form they chose, and the items they had to answer, say something about why.
· 5 min read
FILING GUIDES
The 8-K is organized by numbered items. Knowing the common ones tells you what happened before you open the document.
· 5 min read
FILING GUIDES
What a 10-K, 10-Q, 8-K, S-1, Form 4, Schedule 13D and Schedule 13G each contain, who files them, and the deadlines that govern when they appear on EDGAR.
· 7 min read
FILING GUIDES
A plain-English walkthrough of the Form 4 insider transaction report: who files one, when it is due, and what the transaction codes in Table I and Table II actually mean.
· 6 min read
PRODUCT NOTES
TickerCatalyst now brings the latest Form 4 insider transactions from your watchlist into one clear weekly digest with direct SEC filing links.
· 3 min read
PUT THE GUIDES TO WORK
The alerts these guides describe
- Insider buying alertsGet emailed when officers, directors and 10% owners of your tickers report a Form 4 trade.
- 8-K event alertsMaterial events as they are filed, labelled by 8-K item number.
- Free daily SEC filing digestOne email a day with the filings that matter for the companies you follow.
- Plain-English SEC filingsEvery filing summarized in a few sentences, with a link to the SEC document.
Ready now? Create a free account — five tickers, no card required, or see Pro pricing.
TickerCatalyst is an information tool, not investment advice. Data from SEC EDGAR. Verify all information independently before making financial decisions.