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Government & insiders

CB insider trading

Latest SEC Form 4 filings by CB officers, directors and 10% owners.

CB chart & news
Showing the last 30 days. 93 older filings are PRO.See full history →

Open-market buys (0)

No open-market insider buys in recent CB filings.

Open-market sales (3)

  • GREENBERG EVAN G

    Chairman & CEO

    $5.00M

    Open-market sale · 13,889 sh @ $360.02

    Traded 2026-10-29 · Filed 2026-11-02

  • BOROUGHS TIMOTHY ALAN

    Executive Vice President*

    $238.0K

    Open-market sale · 666 sh @ $357.39

    Traded 2026-10-26 · Filed 2026-10-28

  • BOROUGHS TIMOTHY ALAN

    Executive Vice President*

    $4.61M

    Open-market sale · 12,930 sh @ $356.74

    Traded 2026-10-26 · Filed 2026-10-28

Other filings

Grants, option exercises, tax withholding and gifts. These usually aren’t a view on the stock.

  • GREENBERG EVAN G

    Chairman & CEO

    $99.9K

    Option exercise · 719 sh @ $139.01

    Traded 2026-10-29 · Filed 2026-11-02

  • GREENBERG EVAN G

    Chairman & CEO

    —

    Gift · 291,163 sh

    Traded 2026-05-28 · Filed 2026-11-02

  • GREENBERG EVAN G

    Chairman & CEO

    —

    Gift · 291,163 sh

    Traded 2026-05-28 · Filed 2026-11-02

  • BOROUGHS TIMOTHY ALAN

    Executive Vice President*

    $2.04M

    Option exercise · 13,596 sh @ $150.11

    Traded 2026-10-26 · Filed 2026-10-28

Source: SEC Form 4 filings. For education and research only. Not financial advice.