One finished week. Its dates do not move, so a link to it keeps pointing at the same week. The current page covers the last seven days.
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In the last seven days, insiders reported 447 purchases (Form 4 code P) at 182 companies. 252 different insiders bought $295.26M of stock between them. That is down 48% on the $573.11M bought the week before.
The largest single purchase came from CASCADE INVESTMENT, L.L.C. (10% owner), who bought $39.40M of REPUBLIC SERVICES, INC. (RSG).
Two or more insiders bought the same stock at 5 companies, which is what we call cluster buying: PMTS (5 insiders), SBLK (8 insiders), XBP (5 insiders), MNR (2 insiders), BWMX (3 insiders). The cluster page has the 14-day list.
These figures count SEC Form 4 purchases (transaction code P) filed between 2026-09-14 and 2026-09-20. Code P covers open-market and private purchases. Grants, option exercises and shares withheld for tax are left out, because they are pay rather than a decision to buy. Cite the week number and the dates.