Insider Form 4 cluster detection

One executive buying is one person's decision. Three or more distinct insiders filing the same direction on the same ticker inside 30 days is a cluster, and this page lists every one in the daily snapshot, with who filed, how much, what share of the company and of their own stake it was, and how the price has moved since.

One snapshot daily, refreshed 02:30 UTCForm 4 is due within two business days of the trade

Follow the filing record

Read institutional holdings by reporting quarter and compare them with separately disclosed insider transactions. A filing records a position or transaction, not the investor's reasons for it.

Primary-source background: SEC: Form 13F questions and reporting requirements. Kresmion methodology and limitations.