Market Intelligence: Insider Flows, Institutional Filings & Alternative Data
Learn how to track real market intelligence: insider trading (SEC Form 4), congressional stock disclosures, institutional 13F filings, and alternative data signals — and how Diplyzer synthesizes them into actionable research.
The biggest edge in financial markets does not come from predicting the future — it comes from knowing where the money is flowing before that flow shows up in the price.
This is the domain of market and alternative intelligence: tracking the events, disclosures, and actors whose actions are public but whose implications are rarely synthesized in one place. When a CEO buys a million dollars of their own stock with their personal money, it means something. When three senators all disclose purchases in the same defense contractor in the same week, it means something. When the largest hedge fund in the world quietly builds a new 13F position, it means something.
Diplyzer brings all of these signals together in a single conversation.
What Are Market Catalysts?
A catalyst is any event or piece of information that has the potential to significantly change the perceived value of an asset, triggering a large price move.
Catalysts can be:
Earnings events — Quarterly results that beat or miss expectations
Regulatory events — FDA approvals, antitrust rulings, regulatory fines
Macroeconomic releases — CPI, jobs reports, Fed decisions, GDP data
Alternative data signals — Insider buying, congressional trades, institutional position changes
Understanding catalysts means understanding why markets move — not just how they move.
Insider Trading: The Most Honest Signal in Finance
When a company executive buys or sells shares of their own company, they are required by law to report that transaction to the SEC within two business days via Form 4 filings.
This is one of the most powerful signals available to retail traders and investors. Why? Because insiders — company directors, C-suite executives, and major shareholders — have the deepest understanding of their company's prospects. When they buy with their own money, it is a direct expression of conviction that the stock is undervalued.
Types of Insider Transactions
Not all insider transactions are created equal:
Transaction Type
Signal Strength
Notes
Open Market Purchase
✅ Very strong bullish signal
Executive buys shares voluntarily with personal funds
The most reliable signal is a large open market purchase by a CEO or CFO — especially after a period of price decline.
What to Look For
Size matters — A $100,000 purchase by a billionaire CEO is noise. A $2 million purchase represents meaningful conviction.
Cluster buying — When multiple insiders (CEO + CFO + board members) all buy within the same period, the signal is significantly amplified.
Timing relative to events — Purchases shortly after an earnings miss (when the stock is beaten down but the business is intact) are particularly meaningful.
Insider selling patterns — Individual sales are less significant (diversification, taxes). A cluster of executives selling simultaneously deserves attention.
Ask Diplyzer:
AI Prompt
"Show me all insider purchases over $500,000 in the last 60 days. Filter for CEO and CFO transactions only."
Congressional Trading: The Senate & House Disclosures
Since the passage of the STOCK Act in 2012, members of the United States Congress are required to publicly disclose their personal stock trades. These disclosures reveal purchases, sales, options trades, and sometimes cryptocurrency transactions made by sitting senators and representatives.
This data has become one of the most watched alternative data sets in finance — for good reason. Members of Congress have access to non-public policy information through their committee work, briefings, and legislative activities. While trading on material non-public information is illegal even for them, the patterns in their disclosed trades are revealing.
How to Read Congressional Disclosures
Each disclosure includes:
Member name and state — Who made the trade
Asset traded — The specific stock, ETF, or crypto
Transaction type — Purchase or sale
Amount range — Reported in brackets (e.g., $50,001–$100,000), not exact figures
Transaction date — When the trade occurred
Disclosure date — When it was filed (required within 45 days of the transaction)
What Makes Congressional Trades Significant
Congressional trades are most interesting when they occur:
Before major policy announcements in sectors where the member has committee jurisdiction
In clusters — when multiple members from the same committee trade the same sector or asset
At inflection points — large purchases during market weakness
Ask Diplyzer:
AI Prompt
"Show me all recent Senate trading disclosures. Which sectors are being bought most heavily by senators right now?"
Institutional Ownership: Following the Smart Money
Institutional investors — hedge funds, mutual funds, pension funds, and asset managers — are required to file 13F reports with the SEC every quarter, disclosing their long equity positions.
This is like getting a window into the thinking of the world's most sophisticated investors — with a 45-day lag.
What 13F Filings Reveal
For each position, 13F filings show:
Shares held — The exact number of shares owned
Market value — Dollar value of the position
Quarter-over-quarter change — Whether the position was increased, decreased, opened, or closed
Portfolio weight — What percentage of the fund's total assets the position represents
The Most Actionable Signals
New position opened — A fund that has no history with a stock suddenly opens a significant position. Fresh conviction.
Large position increase — An existing position grows significantly. Conviction is deepening.
Large position reduction or close — A previously major holder exits. Potential warning sign.
Multiple funds converging — When several major funds simultaneously increase exposure to the same name, it suggests broad institutional conviction.
Ask Diplyzer:
AI Prompt
"Which institutional investors are currently the largest holders of [company]? How has their ownership changed in the last 2 quarters?"
When any investor — institutional or individual — acquires more than 5% of a company's outstanding shares, they must file a Schedule 13D or 13G with the SEC. This is one of the strongest individual conviction signals available.
A 13D filing also reveals the investor's intent — whether they are passive investors (13G) or "activists" who intend to push for changes (13D). Activist 13D filings have historically preceded significant corporate events.
AI Prompt
"Has any investor filed a 13D or 13G on [company] recently? Is there activist interest?"
Filed by companies preparing to go public. Contains the most detailed disclosure of business model, financials, risks, and management incentives available anywhere.
AI Prompt
"Find recent S-1 filings for upcoming IPOs in the [sector] space. Summarize the key business and financial highlights."
Beyond company-specific catalysts, macroeconomic events are the single largest driver of market-wide directional moves. Knowing what economic data is scheduled — and understanding what the market expects versus what actually happens — is essential for any trader or investor.
Key Economic Releases to Track
Event
Why It Matters
Federal Reserve Decisions (FOMC)
Interest rate changes affect valuations across all asset classes
CPI (Consumer Price Index)
Inflation data directly shapes Fed policy expectations
CFTC Commitment of Traders (COT): Futures Positioning
The Commitment of Traders (COT) report, published weekly by the Commodity Futures Trading Commission, shows how different categories of traders are positioned in futures markets:
Commercial Hedgers — Producers, manufacturers, and exporters who use futures to hedge actual business risk. When they are heavily long a commodity, they may be signaling cheap prices relative to their cost structure.
Large Non-Commercial Speculators (Smart Money) — Large hedge funds and managed money. Their positioning often leads price.
Small Non-Commercial Speculators (Retail) — Individual and small fund traders. Considered "dumb money" by contrarians; extreme positioning often signals reversals.
AI Prompt
"Show me the current COT report for [commodity or currency pair]. How are commercial hedgers vs. large speculators positioned?"
Putting It All Together: The Market Intelligence Stack
Here is how traders build a complete investment thesis using market intelligence:
Example: Building a thesis on a beaten-down mid-cap stock
Fundamental screen — Find companies with strong F-Scores and Z-Scores trading at large discounts to DCF value after a significant price decline
Insider check — Confirm that management is buying the stock, not selling
Institutional check — Verify that 13F filings show quality funds building or maintaining positions
News intelligence — Scan for any recent 8-K filings, news events, or SEC investigations
Congressional check — See if any senators or house members with relevant committee assignments have recently bought the same name
Technical entry — Use technical analysis and SMC to identify the optimal price level to enter
Each layer independently adds conviction. Together, they represent a complete, multi-dimensional investment thesis.
Ask Diplyzer to build this entire thesis:
AI Prompt
"I'm looking at [company]. Show me: the recent insider trading activity, current institutional ownership changes, any recent SEC filings, analyst consensus, and the current technical setup. Build me a complete picture."
Is it legal to trade based on insider filing data? Absolutely. SEC Form 4 filings and congressional disclosures are publicly available information required by law. Using publicly disclosed data to inform investment decisions is entirely legal. This is distinct from illegal insider trading, which involves trading on material non-public information.
How quickly does Diplyzer show new filings? Diplyzer retrieves data from SEC EDGAR in near real-time. Congressional disclosures are typically available within 24-48 hours of being filed.
How significant is the 45-day lag in 13F filings? The 45-day reporting window means that by the time 13F data is public, positions may have changed. However, major institutional positions are typically built slowly over quarters, making the data still highly relevant. Look for consistency across multiple quarters — a fund that has been steadily increasing a position for 4 consecutive quarters is a strong signal regardless of the lag.
Start Following the Smart Money
Diplyzer gives you real-time access to insider filings, congressional disclosures, institutional ownership data, and SEC filings — all through a simple conversation.
Ask Diplyzer:
AI Prompt
"Find me the strongest institutional conviction buys right now: stocks where insiders are buying, institutional ownership is increasing, and the technical setup is bullish."