Blog
Practical, data-first posts on working with public financial data: SEC EDGAR, 13F filings, insider trading, congress trades, clinical-trial catalysts and the tooling (APIs, MCP, AI agents) around them. No hype, sources linked, real examples.
Newest guides
The six most recently published guides.
Insider Buying Clusters vs Single Insider Buys: Why Several Buyers in Days Is the Stronger Signal
Why a cluster of insiders buying within days has historically carried more information than a single open-market purchase, how Form 4 timing makes clusters visible, and how to check them for free on EDGAR.
Read post → October 28, 2026How AI Agents Read SEC Filings Through MCP: A Walkthrough With Our Free Tier
A practical, hype-free look at how an AI agent uses the Model Context Protocol to query SEC and congressional filings, what works without a key, and where the limits are.
Read post → October 27, 2026Form 144 Filings: The Early Warning Most Trackers Skip
Form 144 is a notice of intent to sell, filed before the trade. Learn how it differs from Form 4, what the fields reveal about intent, and how to read planned sales against completed ones.
Read post → October 26, 2026The Biggest Startup Capital Raises - Week 43, 2026 (SEC Form D)
57 operating-company raises totalling $962.0M surfaced in SEC Form D filings (October 22-23, 2026). The top 10, ranked - days before the press.
Read post → October 26, 20268-K Material Events: Which Categories Actually Move Stocks
A ranked guide to Form 8-K items. Why Item 4.02 restatements, Item 1.01 merger agreements and Item 5.02 executive exits deserve attention, and why most 8-Ks do not.
Read post → October 22, 2026Verified, invited and organic Trustpilot reviews: what the labels mean
What Verified, Invited and unlabeled Trustpilot reviews actually tell you, how they change a company's picture, what you can see without logging in and where the data stops.
Read post →All guides
Trustpilot, app stores and YouTube compared as sources of customer voice
Who writes reviews on Trustpilot, in the app stores and under YouTube videos, what each source is good for, what a logged-out visitor can see, and when free official exports are the better choice.
Read post → October 20, 2026Mining YouTube Comments for Product Feedback and Content Ideas
How to read a YouTube comment section for product feedback and video ideas: sorting, replies, pinned comments, what a logged-out visitor can see, and the limits of comment data.
Read post → October 19, 2026Free SEC data sources, the honest map
EDGAR, house.gov and friends: which SEC and congressional disclosure data is free, how to fetch it, and exactly where the free part ends and the work starts.
Read post → October 19, 2026The Biggest Startup Capital Raises - Week 42, 2026 (SEC Form D)
58 operating-company raises totalling $3.1B surfaced in SEC Form D filings (October 15-16, 2026). The top 10, ranked - days before the press.
Read post → October 18, 2026YouTube Comments Without the API Quota: What You Can and Cannot Get
What the YouTube Data API charges in quota for comments, what the public watch page shows to a logged-out visitor, and why exact timestamps are missing from scraped comments.
Read post → October 17, 2026What NIH grant data says about where research money goes
A practical guide to NIH RePORTER: how to search it, what award types mean, and why the lag between a grant and its publications matters.
Read post → October 16, 2026Reading Trustpilot Reviews as a Sales Signal: Finding Companies Whose Customers Complain About a Problem You Solve
How to use public Trustpilot reviews to find companies whose customers are complaining about a problem your product fixes. What you can see without logging in, where the data is thin, and when free tools are enough.
Read post → October 15, 2026How to export Trustpilot reviews to CSV or JSON
What a visitor without a login can see on Trustpilot, why the public listing stops at 200 reviews per filter, how star and date filters get you further, and when the free export is the better choice.
Read post → October 14, 2026Google Play vs App Store Reviews as Data: Replies, Countries and Languages
What Google Play and the App Store each expose about reviews, developer replies, countries and languages, what a logged-out visitor can see, and when the free official routes are the better choice.
Read post → October 13, 2026Crypto Volume Momentum: What a Volume Spike Does and Does Not Mean
A volume spike in crypto can signal real demand or a thin order book being pushed around. Here is how to tell the two apart before you read it as momentum.
Read post → October 12, 2026The Biggest Startup Capital Raises - Week 41, 2026 (SEC Form D)
48 operating-company raises totalling $921.4M surfaced in SEC Form D filings (October 8-9, 2026). The top 10, ranked - days before the press.
Read post → October 12, 2026App Store Review Data as a Demand Signal: Velocity Beats Volume
Why the rate of new app reviews tells you more than the total count, how to read rating velocity against the release cycle, and the five ways review data misleads.
Read post → October 8, 2026Technographic Data for Sales Prospecting: Building a Lead List From the Tools a Company Runs
How technographic data works, where it comes from, what it misses, and how to turn the tools a company runs into a lead list you can actually use, including the free ways to do it.
Read post → October 7, 2026Residential vs Datacenter Proxies: When You Need Which
Datacenter proxies are cheap and fast but easy to spot. Residential proxies pass more checks and cost more. Here is what blocks what, and how to pick the cheapest proxy that works.
Read post → October 6, 2026Pay Per Result vs Subscription for Web Data: When Each Is Cheaper
A plain comparison of pay-per-result and subscription pricing for web data, with a break-even formula, three worked examples, and the free options to check first.
Read post → October 5, 2026How to Detect What Tech Stack a Website Uses
The signals in HTML, HTTP headers, scripts, cookies and DNS that reveal a website's tech stack, how to check them for free, and where detection goes wrong.
Read post → October 5, 2026The Biggest Startup Capital Raises - Week 40, 2026 (SEC Form D)
56 operating-company raises totalling $1.1B surfaced in SEC Form D filings (October 1-2, 2026). The top 10, ranked - days before the press.
Read post → September 29, 2026Review velocity after a release: separating a real regression from a review-bombing wave
How to read the spike in app store reviews that follows a release, which checks distinguish a genuine product regression from a coordinated wave, and where official filings fit in.
Read post → September 28, 2026Reading a federal contract award without a procurement degree
How to read a USAspending contract record: obligated versus potential value, award types, modifications, and why a contract ceiling is not a payout.
Read post → September 28, 2026The Biggest Startup Capital Raises - Week 39, 2026 (SEC Form D)
56 operating-company raises totalling $764.5M surfaced in SEC Form D filings (September 24-25, 2026). The top 10, ranked - days before the press.
Read post → September 22, 2026Finding a competitor's weak spot in their own reviews
How to read complaint clusters across two apps side by side, separate real product gaps from noise, and check what you find against public filings.
Read post → September 21, 2026The Biggest Startup Capital Raises - Week 38, 2026 (SEC Form D)
60 operating-company raises totalling $9.9B surfaced in SEC Form D filings (September 17-18, 2026). The top 10, ranked - days before the press.
Read post → September 21, 2026Aspect sentiment beats a star rating
Why a 4.2 star average cannot tell you what to fix, how aspect sentiment splits one number into the parts that matter, and how the same idea applies to disclosure data.
Read post → September 16, 2026My MCP Server Dropped One Call in Four
An MCP session lives in the memory of one process. Apify Standby spreads requests across several runs. Those two facts together silently killed 2 of every 9 tool calls, and every health check stayed green.
Read post → September 15, 2026Remote flags in job data are employer claims, not facts
Eight hiring platforms encode remote work in eight different ways. How the fields differ, where they mislead, and how to normalise them without inventing certainty.
Read post → September 14, 2026Building a job feed without scraping
Many hiring platforms publish public job board endpoints. How to build a job feed on them without proxies or HTML parsing, and where the approach breaks down.
Read post → September 14, 2026The Biggest Startup Capital Raises - Week 37, 2026 (SEC Form D)
47 operating-company raises totalling $1.1B surfaced in SEC Form D filings (September 10-11, 2026). The top 10, ranked - days before the press.
Read post → September 8, 2026Why a company slug is not its name
devin.ai posts its jobs on Ashby under the slug cognition. Here is why identifier drift breaks job indexes and filing datasets, and how to build a resolver that survives it.
Read post → September 7, 2026Reading hiring as a company signal
Job postings tell you something about headcount direction and department mix, but counting openings is a weak proxy. Here is what hiring data can and cannot support.
Read post → September 7, 2026The Biggest Startup Capital Raises - Week 36, 2026 (SEC Form D)
59 operating-company raises totalling $999.6M surfaced in SEC Form D filings (September 3-4, 2026). The top 10, ranked - days before the press.
Read post → September 1, 2026Where job postings actually come from: the ATS behind every careers page
Careers pages are just a window on an applicant tracking system. Learn how Greenhouse, Lever and Workday feeds work, why aggregator copies lag a day, and how to read hiring at the source.
Read post → August 31, 2026Greenhouse, Lever and Ashby Compared for Data Users
What the public job board APIs of Greenhouse, Lever and Ashby actually publish, what they leave out, and why their date fields mean three different things.
Read post → August 31, 2026The Biggest Startup Capital Raises - Week 35, 2026 (SEC Form D)
59 operating-company raises totalling $6.6B surfaced in SEC Form D filings (August 27-28, 2026). The top 10, ranked - days before the press.
Read post → August 24, 2026The Free Tier That Makes Sense for Agents: Why 50 Calls a Month Beats a Trial
Trials are built for humans who evaluate once. Agents call on a schedule forever. Here is why a permanent 50-call monthly floor fits agent workloads, and how charge-on-success handles the query that returns nothing.
Read post → August 24, 2026Reading SEC Filings With an AI Agent: From a Company Name to a Scored Signal
A practical walkthrough of how an AI agent turns a company name into a scored disclosure signal using official SEC endpoints, with no custom scraper required.
Read post → August 24, 2026The Biggest Startup Capital Raises - Week 34, 2026 (SEC Form D)
60 operating-company raises totalling $1.4B surfaced in SEC Form D filings (August 20-21, 2026). The top 10, ranked - days before the press.
Read post → August 17, 2026What a Good MCP Tool Description Looks Like
An agent reads your tool description to decide whether to call you. Here is what it needs: the question the tool answers, an example, the cost, and what an empty result means.
Read post → August 17, 2026Stateless or session-based: a real MCP failure on Standby and the one-line fix
How our MCP server dropped one call in four when Apify Standby spread requests across runs, what the Session not found error actually means, and the single line that fixed it.
Read post → August 17, 2026The Biggest Startup Capital Raises - Week 33, 2026 (SEC Form D)
60 operating-company raises totalling $1.1B surfaced in SEC Form D filings (August 13-14, 2026). The top 10, ranked - days before the press.
Read post → August 10, 2026Why an MCP Server Should Advertise OAuth Discovery
What the WWW-Authenticate header and /.well-known/oauth-protected-resource actually do, how an agent walks the discovery chain from a 401 to a working token, and why a server that skips this step quietly turns away every client that could have become a user.
Read post → August 10, 2026Give Your AI Agent Fresh SEC Data in One Connection
What the Model Context Protocol actually is, why one MCP endpoint beats maintaining a dozen filing-API integrations, and how to point Claude or Cursor at nightly-refreshed SEC and House disclosure data in about two minutes.
Read post → August 10, 2026The Biggest Startup Capital Raises - Week 32, 2026 (SEC Form D)
60 operating-company raises totalling $2.3B surfaced in SEC Form D filings (August 6-7, 2026). The top 10, ranked - days before the press.
Read post → August 3, 2026How FDA Drug Approvals Are Published, and Where the Dates Come From
A practical guide to openFDA and Drugs@FDA: what an original approval is, how a supplement differs, why a label change is not news, and which date actually belongs on a timeline.
Read post → August 3, 2026The Biggest Startup Capital Raises: Week 31, 2026 (SEC Form D)
51 operating-company raises totalling $1.3B surfaced in SEC Form D filings (July 30–31, 2026). The top 10, ranked. Days before the press.
Read post → August 3, 2026Schedule 13D vs 13G: The Difference in One Checkbox
Both report a 5%+ stake; the difference is intent. 13D means the holder may push for change, 13G means passive. Item 4 is the field that matters.
Read post → July 27, 2026How to Read an SEC 8-K, and Which Items Actually Move a Stock
A practical guide to the 8-K item numbers that carry real information (1.01, 2.02, 5.02, 8.01), the routine ones that rarely move anything, and how to read the form in two minutes without guessing.
Read post → July 27, 2026Form 144 Explained: The Filing That Announces a Sale Before It Happens
Form 144 is a notice of intent to sell restricted or control stock. Here is who files it, what triggers it, how it differs from a Form 4, and what the notice does not promise.
Read post → July 25, 2026The Biggest Startup Capital Raises: Week 30, 2026 (SEC Form D)
56 operating-company raises totalling $2.0B surfaced in SEC Form D filings (July 23–24, 2026). The top 10, ranked. Days before the press.
Read post → July 20, 2026What 13F Filings Hide: Shorts, Options and Non-US Listings
13F filings show only part of a manager's book. Here is what gets left out, why portfolios get misread, and how to read the data honestly.
Read post → July 20, 2026Congress Trading Around Earnings Season: What Disclosure Timing Really Tells You
Congressional trades that land near an earnings date look suspicious. Here is what the disclosure timestamps in a PTR can actually prove about information advantage, and what they cannot.
Read post → July 17, 2026What Happened to STOCK Act Enforcement: Fines, Late Filings, and Why the $200 Penalty Shapes Behavior
How the STOCK Act is actually enforced, why a flat $200 late-filing fee is the main penalty, who collects it, and what that design does to disclosure behavior in Congress.
Read post → July 16, 2026The Biggest Congress Trading Myths, Tested Against Filings
Five popular claims about congressional stock trading, each checked against the actual disclosure record from the House Clerk, the Senate, and the STOCK Act.
Read post → July 16, 2026Options in Congressional Disclosures: How to Read Calls, Puts, and Exercise Rows
A practical guide to reading options trades in congressional PTR filings, so you can tell bullish from bearish and avoid misreading the direction of calls, puts, and exercises.
Read post → July 15, 2026How Fast Are Congress Trades Disclosed? We Measured 448 Filings
The STOCK Act allows 45 days. Across 448 transactions from PTRs filed in July and August 2026, the median lag was 27 days and the slowest was 619. Here is the method, the distribution, and what the numbers cannot tell you.
Read post → July 15, 2026Committee Assignments and Stock Trades: What to Watch and Why It Matters More Than Trade Size
A $500,000 trade by a backbencher may mean less than a $20,000 trade by a committee chair. Learn how to connect congressional trades to committee assignments, where to find the official data, and what this signal can and cannot tell you.
Read post → July 14, 2026STOCK Act Periodic Transaction Report: the 45-Day Rule
A PTR is due 30 days after the member learns of a trade, and never later than 45 days after the trade itself. Both clocks, and why 45 is the outer wall.
Read post → July 14, 2026Reading a Periodic Transaction Report
A field-by-field guide to congressional PTR filings: owner codes, transaction types, amount ranges, dates, amendments, and the traps in scanned reports.
Read post → July 13, 2026How Congressional Trading Disclosures Work
The full system behind congressional stock disclosures: the STOCK Act, filing deadlines, amount ranges, and where the official documents live.
Read post → July 13, 2026From Filing to Signal: How Scoring Works
How raw congressional PTR filings become a ranked dataset: size estimates from disclosed ranges, freshness weighting, and consensus across members.
Read post → July 13, 2026The Biggest Startup Capital Raises: Week 29, 2026 (SEC Form D)
60 operating-company raises totalling $9.5B surfaced in SEC Form D filings (July 9–10, 2026). The top 10, ranked. Days before the press.
Read post → July 12, 2026Startup Funding Data Sources Compared
SEC EDGAR, Crunchbase, PitchBook, tech press, and Form D feeds compared honestly: coverage, timing, cost, and who each source actually serves.
Read post → July 12, 2026Best Congress Trading Trackers Compared
An honest comparison of Capitol Trades, Quiver Quantitative, Unusual Whales, the official House Clerk site, and the DataSignals report.
Read post → July 11, 2026What the STOCK Act Actually Requires
The STOCK Act in plain terms: who must file, the 45-day deadline, the $1,000 threshold, the $200 late fee, and where enforcement falls short.
Read post → July 11, 2026SEC Form 13F Deadline: Due 45 Days After Quarter End
Yes - Form 13F is due within 45 days after each calendar quarter ends: February 14, May 15, August 14 and November 14. Weekends roll forward.
Read post → July 10, 2026Reg D Rule 506(b) vs 506(c): What Actually Differs
506(b) bans public advertising and lets investors self-certify; 506(c) allows open fundraising but you must verify every investor. What that means in practice.
Read post → July 10, 2026How to Follow Berkshire Hathaway's 13F Portfolio
Where to find Berkshire Hathaway's 13F on SEC EDGAR, how to read the quarterly changes, and what the filing does and does not reveal.
Read post → July 9, 2026Senator Trades Versus the Market: What the Data Shows
Do senators beat the market? A walk through the actual studies, from the famous 2004 result to the modern research finding no edge.
Read post → July 9, 2026How to Find Startup Funding Rounds Before the Press
A practical workflow for spotting startup raises in SEC Form D filings days or months before TechCrunch, using free EDGAR tools or a parsed daily feed.
Read post → July 8, 2026How to Track Hedge Fund Portfolios
How to track hedge fund portfolios using free SEC 13F filings: the EDGAR workflow, quarter-over-quarter deltas, free tools, and the honest limits.
Read post → July 8, 2026Do Senators and House Members Beat the Stock Market?
The early studies found senators beating the market by 85 basis points a month. The post-STOCK Act replications found nothing. What changed, and why.
Read post → July 6, 2026The Biggest Startup Capital Raises: Week 28, 2026 (SEC Form D)
60 operating-company raises totalling $1.2B surfaced in SEC Form D filings (July 1–2, 2026). The top 10, ranked. Days before the press.
Read post → July 5, 2026What Is SEC Form D: A Plain English Guide
What SEC Form D is, who files it, what the 15-day deadline means, and why these filings surface startup fundraises before any press coverage.
Read post → July 5, 2026What Is a 13F Filing and How to Read It
A plain-English guide to SEC Form 13F: who must file, what the holdings table shows, what it hides, and how to read one on EDGAR.
Read post → July 5, 2026What Is 13F Consensus and Why Crowded Positions Matter
13F consensus explained: how to measure which stocks multiple top funds hold and buy, why crowding cuts both ways, and how to build the analysis.
Read post → July 5, 2026Nancy Pelosi Stock Trades and the PTR Filings
Her trades appear in Periodic Transaction Reports filed with the House Clerk, weeks late and in dollar ranges. Where to find them, and who places them.
Read post → July 5, 2026How to Track Congress Stock Trades in 2026
A practical guide to tracking congressional stock trades: official sources, filing mechanics, delays, ranges, and how to build a usable workflow.
Read post → July 5, 2026How to Read a Form D Filing
A field-by-field walkthrough of SEC Form D: which of the 16 items carry real signal about a startup raise and which are boilerplate you can skip.
Read post → July 2, 2026The Biggest Startup Capital Raises: Week 27, 2026 (SEC Form D)
59 operating-company raises totalling $2.7B surfaced in SEC Form D filings (June 30 – July 1, 2026). The top 10, ranked. Days before the press.
Read post → June 12, 2026How to Track Startup Funding Before the Press Release (SEC Form D)
Most funding rounds never get a press release - but nearly all US private raises file a Form D with the SEC. How to read Form D filings and turn them into a clean funding feed.
Read post → June 6, 2026Which Stocks Did Multiple Hedge Funds Buy Last Quarter? 13F Consensus, With Real Data
We ran six famous hedge funds through a 13F consensus analysis - what Berkshire, Pershing Square, Third Point and more agree on, with real Q1 2026 data.
Read post → May 29, 2026A Free MCP Server That Gives AI Agents 13 Live Financial Data Feeds
Why we built one MCP endpoint for SEC insider trading, 13F, 8-K, FDA, congress trading and crypto data, how the proxy-over-standby architecture works, and the gotchas.
Read post → May 19, 2026How to Track Insider Buying Clusters From SEC Form 4 (Without a $90/Month Subscription)
Single insider buys are noise; clusters of insiders buying the same stock are the signal. How Form 4 cluster detection works and how to monitor it for $0.02 per result.
Read post → May 6, 2026How to Get US Congress Stock-Trading Data From the Official Source
Where congress trading data actually comes from, why Senate data is harder than House data, and how to get parsed, scored House trades for $0.02 per member.
Read post → April 22, 2026Biotech Catalysts: How to Monitor Clinical-Trial Readouts Automatically
Trial readouts move biotech stocks 20-80%. How to monitor upcoming completions and posted results from ClinicalTrials.gov, scored by potential impact.
Read post →