Insights
Research, analysis, and education on insider trading signals. Data-driven insights from scoring over 4 million SEC Form 4 filings across more than a decade of market data.
FeaturedJune 10, 20266 min read
Does Insider Buying Beat the Market?
We scored 4M+ SEC Form 4 filings across a decade. The top signals returned 7x the S&P 500. See the full backtest.
June 15, 20267 min read
How We Score Every SEC Insider Filing
Inside our scoring model: how we separate signal from noise across 4 million insider filings.
June 13, 20268 min read
What a Decade of SEC Insider Trading Data Actually Reveals
We analyzed over 4 million SEC insider filings from a decade. Here's what the data shows.
June 11, 20265 min read
Why I Built InsiderSignals
The story behind InsiderSignals: how a gap in the market for European investors became a tool that scores over 4 million SEC filings.
June 5, 202610 min read
What Happens When You Invest $100 in Every High-Conviction Insider Signal for a Decade
We backtested over a decade of scored insider trades against the S&P 500. Here are the results.
June 2, 20266 min read
The SEC Just Charged 21 People for Insider Trading. Here's Why That's Not What We Track.
Legal vs illegal insider trading explained: what SEC Form 4 filings are and why they matter for investors.
May 28, 20266 min read
The Timing Edge: Why Speed Matters in Insider Trading Signals
Insider trades must be disclosed within two business days. Most investors find out weeks later. Here's why the timing gap matters, and what the data says about signal decay.
April 23, 20267 min read
Insider Buying by Sector: Where the Smart Money Is Going in 2026
We tracked every high-conviction insider purchase in 2026. Here's where Elite and Strong signals are concentrating, and which sectors are seeing the most C-suite conviction.
March 26, 20268 min read
WSJ Analyzed 1,400 Insider Buys. Here’s What They Missed.
The Wall Street Journal found that insider buying produces a weak signal. Independent research agrees, as long as you treat all purchases equally. Here's what changes when you don't.
February 19, 20266 min read
Not All Insiders Are Equal: Which Roles Produce the Strongest Signals
We analyzed 657,000+ insider purchases across a decade of SEC filings. Here's how signal strength varies by role, from CTOs to directors, and why it matters for investors.
February 18, 202615 min read
Best Insider Trading Screeners in 2026: 7 Tools Compared
7 purpose-built insider trading screeners compared on data quality, scoring, credibility, and price. Honest review from the founder of InsiderSignals.
January 15, 20268 min read
How to Read an SEC Form 4 Filing (And What Most Investors Miss)
A field-by-field guide to SEC Form 4 insider trading filings: what each section means, which transaction codes matter, and the details most investors overlook.