Buteon surfaces the market activity and public data most worth your attention, turning it into clear, evidence-backed reads of what happened, why it may matter, what could weaken the read, and what to watch next. Add Buteon to your market arsenal for clearer research grounded in evidence.
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Filing-event read · not a stock rating
Confidence reflects how much independent evidence supports the read — not how notable the headline is.
Every reviewed filing gets one of four labels — including Watching and Non-actionable. Saying so is the point.
These labels describe the evidence in one filing event — not the stock as a whole.
This is not a contemporaneous Buteon read.
Not tracked live — Buteon reviewed this event after the fact.
One letter decides whether a filing describes a purchase, a grant, an exercise or a gift. The Filing Reality Check explains what each code reports, what it never proves, and what to check next.
Open the Form 4 DecoderEvidence-led field guides to insider activity, Form 4 mechanics, and the explanations that can weaken an apparent signal.
A broad field guide to deciding when insider activity deserves attention—and when the filing is more ordinary than the headline.
Reviewed Read How to Read Insider BuyingA document-anatomy guide to the fields, tables, footnotes, and dates that turn a filing into usable evidence.
Reviewed Read SEC Form 4 ExplainedThe library’s strongest skeptical guide: start with what would make the apparent signal ordinary, then decide whether anything notable remains.
Reviewed Read Why Insider Buying Can MisleadThe $4.07 billion headline came from a Form 144 notice of a proposed sale, not a completed one. The Form 4 that followed reported 1,209,649 shares actually sold — about $346 million, or roughly 8% of the amount noticed.
Research Notes test public claims against primary filings, original reports, and dated evidence — valuation cases, IPO disclosure, institutional ownership filings, and market context — with the reasoning, the horizon, and the limits stated. Each note says what the evidence does not settle.
By law, corporate insiders — executives, directors, large shareholders — and big investment funds must publicly disclose what they buy, sell and hold. That record is free and open to anyone. It is also close to unreadable at scale: it arrives as raw regulatory forms, filed continuously, written for compliance rather than for people.
Buteon does that reading. It collects those filings, works from the source documents rather than coverage of them, and turns each reviewed event into plain language: what happened, why it may matter, what could weaken the read, and what to watch next. Every reviewed filing carries a verdict — Bullish, Bearish, Watching or Non-actionable — with a stated confidence level and the evidence kept beside it.
And that is one card. Inside the product the same work runs continuously: Buteon watches the companies and the people you follow, weighs an actor against their whole filing history rather than one isolated event, sets each filing beside comparable ones from the past, and records what happened next so the follow-up sits with the read that preceded it. You are told when something deserves your attention — and when it does not. Beyond that sit deeper tools, for the questions a single filing cannot answer.
No. A Bullish label means the evidence in one specific filing event points in a positive direction — for example, an executive buying shares on the open market with their own money. It describes that event, not the company and not the stock as a whole.
It is not a recommendation to buy, and Buteon does not publish price targets. A filing can be Bullish while plenty of other things about the business are not.
Reviewed, but the filing adds too little fresh directional information to support action. A common example is a sale made under a Rule 10b5-1 plan — a schedule the insider set months earlier — because the timing says little about what they think today.
Non-actionable does not mean the filing is wrong, unimportant or safe to ignore forever. It means this one document, on its own, is not a reason to do anything. Some planned sales still deserve attention, and the Case File says when.
A Form 4 is filed by a company insider — an officer, director or large shareholder — within two business days of buying, selling or receiving shares. It reports one person’s transactions in one company.
A Form 13F is filed by large investment managers once a quarter, listing the U.S. stocks they held at the quarter’s end. It shows positions as of a date that is already weeks old when it becomes public, and it does not show what the manager paid or whether a position has since changed.
From public sources. Filing facts come from SEC EDGAR, the U.S. Securities and Exchange Commission’s public filing system, and every Case File and Research Note links to the source documents it relies on.
Buteon does not publish a read of every filing. Case Files and Research Notes are selected and reviewed by hand, and each states the date its evidence was reviewed through.
Where Buteon calculates a figure — an approximate sale value from a share count and a weighted-average price, for instance — or interprets what a filing means, that calculation or interpretation is labeled as Buteon’s, separately from what the document itself states.
No. Buteon is an educational research tool. Verdicts, confidence levels and historical follow-ups describe reviewed evidence; they are not buy or sell recommendations, predictions or performance claims.
What it is for is the work before a decision: Buteon adds evidence you would otherwise have to find and read yourself, and the context that says how much weight it carries. It is built to sit in your market analysis alongside your other tools and feeds — one more input into a decision that stays yours.
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