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COST insider trading

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

COST chart & news
Showing the last 30 days. 45 older filings are PRO.See full history →

Open-market buys (0)

No open-market insider buys in recent COST filings.

Open-market sales (1)

  • Wilcox William Richard

    Executive Vice President

    $1.05M

    Open-market sale · 1,100 sh @ $958.21

    Traded 2026-10-13 · Filed 2026-10-14

Other filings

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

  • Sullivan John Christopher

    Executive VP

    —

    Grant / award · 4,552 sh

    Traded 2026-10-22 · Filed 2026-10-27

  • Sullivan John Christopher

    Executive VP

    $851.0K

    Tax withholding · 835.794 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Sullivan John Christopher

    Executive VP

    $745.6K

    Tax withholding · 732.304 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Sullivan John Christopher

    Executive VP

    $992.8K

    Tax withholding · 975.02 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Sullivan John Christopher

    Executive VP

    $659.1K

    Tax withholding · 647.297 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Sullivan John Christopher

    Executive VP

    $583.3K

    Tax withholding · 572.834 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Self Adam Webb

    Executive Vice President

    $58.4K

    Tax withholding · 57.332 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Self Adam Webb

    Executive Vice President

    $65.4K

    Tax withholding · 64.211 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Self Adam Webb

    Executive Vice President

    $62.8K

    Tax withholding · 61.663 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Self Adam Webb

    Executive Vice President

    $36.7K

    Tax withholding · 36.044 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Self Adam Webb

    Executive Vice President

    $41.3K

    Tax withholding · 40.517 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • POLIT JAVIER

    Executive Vice President

    $398.0K

    Tax withholding · 390.872 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • POLIT JAVIER

    Executive Vice President

    $559.4K

    Tax withholding · 549.437 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • POLIT JAVIER

    Executive Vice President

    $343.1K

    Tax withholding · 337.01 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • POLIT JAVIER

    Executive Vice President

    $299.7K

    Tax withholding · 294.297 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • POLIT JAVIER

    Executive Vice President

    —

    Grant / award · 4,129 sh

    Traded 2026-10-22 · Filed 2026-10-27

  • MILLERCHIP GARY

    Executive Vice President

    $831.8K

    Tax withholding · 816.968 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • MILLERCHIP GARY

    Executive Vice President

    $509.4K

    Tax withholding · 500.323 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • MILLERCHIP GARY

    Executive Vice President

    $319.2K

    Tax withholding · 313.451 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • MILLERCHIP GARY

    Executive Vice President

    —

    Grant / award · 6,140 sh

    Traded 2026-10-22 · Filed 2026-10-27

  • Vachris Roland Michael

    President and CEO

    —

    Grant / award · 13,973 sh

    Traded 2026-10-22 · Filed 2026-10-27

  • Vachris Roland Michael

    President and CEO

    $1.15M

    Tax withholding · 1,131.478 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Vachris Roland Michael

    President and CEO

    $1.14M

    Tax withholding · 1,120.544 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Vachris Roland Michael

    President and CEO

    $1.43M

    Tax withholding · 1,403.592 sh @ $1018.21

    Traded 2026-10-22 · Filed 2026-10-27

  • Wilderotter Mary Agnes

    Director

    —

    Grant / award · 266 sh

    Traded 2026-10-22 · Filed 2026-10-27

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