Dec 14, 2025
How to Find Any Company's CIK Number (3 Fast Methods)
The CIK is how the SEC identifies every public company. Here's how to look it up in seconds using EDGAR, bulk data, or a dedicated search tool.
BLOG//research
SEC Filing Research & Insights
Guides, tutorials, and analysis to help you understand 10-Ks, 8-Ks, insider trades, and other SEC filings.
Dec 13, 2025
Introducing the Earnings Feed API: Real-Time SEC Data for Developers
We shipped a public API for real-time SEC filings, insider transactions, and institutional holdings. Here's what you can build with it.
Dec 7, 2025
How to Get SEC Filing Alerts (5 Free Methods)
I tested every free way to get SEC filing alerts. Here's what actually works — from RSS feeds to dedicated tools.
Nov 30, 2025
Last10K vs BamSEC: Which SEC Tool Is Worth Paying For?
Last10K costs $99/year. BamSEC costs $828/year. We compare features, pricing, and which SEC filing tool fits your research workflow.
Nov 23, 2025
Insider Buying Trends by Sector: Where Executives Are Putting Their Money
Analysis of insider buying patterns across market sectors. Find out which industries see the most executive confidence and what it means for investors.
Nov 20, 2025
Form 4 Patterns That Predict Stock Moves (Data-Backed)
Cluster buys beat single purchases. CEO buys beat CFO sales. Here are the insider trading patterns with actual predictive value.
Nov 17, 2025
S-1 Filings Explained: How to Research IPOs Before They Go Public
Learn how to read S-1 registration statements to evaluate IPOs before they start trading. A complete guide to IPO research using SEC filings.
Nov 13, 2025
Which Industries File the Most 8-Ks? A Data Analysis
We analyzed thousands of 8-K filings to find which industries generate the most material events. The results reveal patterns useful for investors.
Nov 9, 2025
SEC EDGAR is Broken. Here's What to Use Instead.
15-minute delays, no alerts, terrible search. Why EDGAR frustrates investors and the free tools that actually work.
Nov 4, 2025
13F Filings: Track What Buffett and Bridgewater Are Buying
See exactly what hedge funds hold. Step-by-step guide to finding, reading, and using 13F filings — updated 45 days after each quarter.
Oct 28, 2025
How to Research a Company Before Investing: A Step-by-Step Guide
A practical framework for researching stocks using SEC filings, financial analysis, and competitive research. No expensive tools required.
Oct 21, 2025
8-K Filings Explained: The Early Warning System for Investors
Learn what triggers an 8-K filing, how to read them, and why they're often the first sign of major company news.
Oct 14, 2025
Form 4 Explained: Track Insider Buying in Real-Time
When executives buy their own stock, Form 4 tells you first. How to read these filings, spot the signals, and track insiders for free.
Oct 7, 2025
5 Free SEC Filing Tools (I Tested Them All) — 2025
I compared every free SEC filing tool. Here's what actually works for tracking 10-Ks, 8-Ks, and insider trades — without paying for Bloomberg or BamSEC.
Sep 30, 2025
How to Read a 10-K: The Only 5 Sections That Matter
Skip the boilerplate. Focus on these 5 sections to analyze any company's 10-K in 20 minutes — plus the red flags that signal trouble.
Sep 24, 2025
BamSEC vs Earnings Feed: Which SEC Filing Tool is Right for You?
An honest comparison of BamSEC and Earnings Feed—features, pricing, and which tool fits your research workflow.