SEC TRADING GLOSSARY · LIVE
30+terms
SEC forms · signal types trader-grade definitions updated as we ship
GLOSSARY//INDEX · v1.0 · LIVE
📚 SEC Trading Glossary · Every Term, Trader-Grade

From 8-K to sympathy play—the trader's reference for every SEC form and signal type.

Plain-language definitions written for traders, not lawyers. Each term links to the live scanner where the signal actually fires.

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SEC Trading Glossary

30+ in-depth guides on SEC filing types, catalyst signals, and trading strategies. From 8-K filings to squeeze setups.

SEC Filing Types

What Is an 8-K Filing?
Material events that move stocks. The highest-impact catalyst filing type.
Filing
What Is SEC Form 4?
Insider trading disclosures. How officers and directors report their buys and sells.
Filing
What Is Schedule 13D?
Activist investor disclosure. Filed when someone acquires 5%+ of a company.
Filing
What Is S-3 Shelf Registration?
How companies register future stock offerings. Often signals dilution risk.
Filing
SEC Filing Types for Traders
Complete guide to every SEC filing type that matters for catalyst trading.
Guide
How to Read SEC Filings
A trader's guide to quickly extracting actionable information from SEC documents.
Guide
What Is Form 13F?
Institutional holdings tracker. See what hedge funds and major investors own each quarter.
Filing
What Is a 10-K Filing?
The SEC annual report. Audited financials, risk factors, and the complete picture of a company.
Filing

Trading Signals & Strategies

What Is a Catalyst Score?
How our scoring engine combines 6 weighted factors into a single actionable number.
Methodology
Insider Buying Signals
How to spot smart money moves through Form 4 cluster analysis.
Signal
How to Read Form 4
Step-by-step guide to extracting insider buying and selling patterns.
Guide
Dark Pool Signals
How block volume and off-exchange trading reveals institutional positioning.
Signal
What Is a Dark Pool?
Private exchanges where institutions hide trades. How dark pool data reveals hidden pressure.
Concept
What Is Insider Trading?
Legal vs. illegal insider trading. How to use legal insider activity as a trading signal.
Concept
Convergence Alerts
When multiple independent signals align on one stock simultaneously.
Signal
What Is a Convergence Alert?
Multi-signal trading explained. How overlapping catalysts create high-conviction setups.
Signal
SEC Catalyst Trading Strategy
The complete filing-based edge. How to trade SEC catalysts systematically.
Strategy
What Is Options Flow?
Reading unusual options activity to spot smart money moves before the stock reacts.
Signal
How to Trade Earnings Season
Use SEC filings to build pre-earnings watchlists. The filing-based edge most traders miss.
Strategy

Short Squeeze & Momentum

What Is a Short Squeeze?
How short sellers get trapped and create explosive upside moves.
Concept
What Is a Squeeze Play?
Identifying squeeze candidates before they trigger. Key metrics and patterns.
Strategy
Short Squeeze Scanner
Find squeeze setups before they trigger. Short float, days to cover, borrow cost.
Tool
What Is a Gap Up Stock?
How to find gap stocks before market open and trade the opening momentum.
Concept
Pre-Market Gap Scanner
Free scanner for pre-market gap-up stocks with SEC catalyst alignment.
Tool
What Is a Sympathy Play?
Trading sector momentum. When one stock moves, related names follow.
Strategy

IPO, SPAC & Value

What Is a SPAC?
Blank check companies and de-SPAC mergers. SEC filings that signal merger catalysts.
Concept
What Is IPO Lockup Expiration?
Trading the unlock. How insider selling pressure creates opportunities.
Concept
What Is Deep Value Investing?
Finding undervalued stocks using fundamental catalysts and SEC filings.
Strategy
Free Stock Scanner
Overview of free stock screening tools and how Catalyst Edge compares.
Tool
Best SEC Filing Scanner
Comparison of SEC filing scanners for traders. Features, pricing, and edge.
Tool

Congressional Trading

Congressional Stock Trading
How to track what politicians are buying and selling. Disclosure sources and signals.
Guide
What Is the STOCK Act?
The law requiring congressional trade disclosure. History, provisions, and limitations.
Regulation

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