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Companies directory
Every issuer with Form 4 history
Browse every issuer the system has ever seen a Form 4 transaction for. Each row links to that issuer's full insider history.
Transactions6,651lifetime rows · shown companies
Open-market buys8code P · shown companies
Open-market sells4,607code S · shown companies
Reading this directory
Each row is one issuer with at least one processed Form 4 filing in our pipeline. The metric column on the right is the count the active view+window combination produces; click any company row to open its full insider history at /stocks/<ticker>/ insider-transactions, where you can drill into the individual filings and the reporting owners involved.
Use the search box to filter by ticker or company name. Use the sort selector to switch between Activity (distinct filings in window), Buys (code-P transactions in window), Sells (code-S transactions in window), A → Z (ticker alphabetical), or Lifetime (all-time processed rows). The window buttons narrow the rolling period; Ticker and Lifetime ignore the window selector.
Companies directory FAQ
How the columns and filters are definedWhat does this directory list?
Every issuer the system has seen a processed Form 4 transaction for. NYSE, Nasdaq, and NYSE Amex listings are all included; private placements and issuers without a public listing are excluded because the Form 4 dataset is the source of truth and they have no transaction rows.
How are the columns defined?
Activity is the count of distinct Form 4 filings in the active window. Buys and sells count code-P and code-S transactions specifically, with open-market-only as the default; switch to openMarketOnly=true in the URL to exclude derivative exercises, grants, and dispositions. Lifetime transactions is the count of all processed Form 4 rows for the issuer, regardless of window.
Why does my search return nothing?
The search field matches against the canonical ticker (BRK.B) and company name. It does not match partial strings inside a ticker. If you searched for 'Berkshire' and expected Berkshire Hathaway, try 'BRK' instead, or click A → Z in the sort selector and scroll to the B section.
What does the window selector mean?
The 7 d / 15 d / 30 d / 90 d buttons switch the rolling window used for the Activity, Buys, and Sells columns. All four windows are open to every visitor; pick the narrowest window that still surfaces the pattern you're looking for — 7 d catches short bursts, 90 d catches longer accumulation or distribution trends. Ticker and Lifetime views ignore the window — ticker is always a flat alphabetical sort, and Lifetime is the count of all processed Form 4 rows for the issuer.