COSTCO WHOLESALE CORP /NEW (COST)

Nasdaq · Retail-Variety Stores · Inc. WA

What they're doing

Between 2026-08-02 and 2026-10-31, public records show 3 signals for COSTCO WHOLESALE CORP /NEW. Most notable: 2026-10-16: Filed 8-K disclosing director or officer change; 2026-09-29: Adamo Claudine (officer) sold $2.0M of stock; 2026-10-13: Wilcox William Richard (officer) sold $1.1M of stock. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.

Generated 2026-10-31 from public records.

Signals, last 12 months

  1. Material 8-K filing
    Filed 8-K disclosing director or officer change
  2. Large insider sale
    Wilcox William Richard (officer) sold $1.1M of stock
  3. Large insider sale
    Adamo Claudine (officer) sold $2.0M of stock
  4. Large insider sale
    Klauer James C (officer) sold $1.4M of stock
  5. Large insider sale
    Miller Russell D (officer) sold $1.4M of stock
  6. Large insider sale
    POLIT JAVIER (officer) sold $1.8M of stock
  7. Large insider sale
    Wilcox William Richard (officer) sold $2.2M of stock

Insider transactions

DateInsiderRoleCodeSharesPriceValue
2026-10-22POLIT JAVIERofficerF5491,018.21$559,442
2026-10-22POLIT JAVIERofficerF3371,018.21$343,147
2026-10-22POLIT JAVIERofficerF2941,018.21$299,656
2026-10-22POLIT JAVIERofficerF3911,018.21$397,990
2026-10-22POLIT JAVIERofficerA4,1290$0
2026-10-22Self Adam WebbofficerF411,018.21$41,255
2026-10-22Self Adam WebbofficerF361,018.21$36,700
2026-10-22Self Adam WebbofficerF571,018.21$58,376
2026-10-22Self Adam WebbofficerF641,018.21$65,380
2026-10-22Self Adam WebbofficerF621,018.21$62,786
2026-10-22Sullivan John ChristopherofficerF8361,018.21$851,014
2026-10-22Sullivan John ChristopherofficerF7321,018.21$745,639
2026-10-22Sullivan John ChristopherofficerF9751,018.21$992,775
2026-10-22Sullivan John ChristopherofficerF6471,018.21$659,084
2026-10-22Sullivan John ChristopherofficerF5731,018.21$583,265
2026-10-22Sullivan John ChristopherofficerA4,5520$0
2026-10-22Adamo ClaudineofficerF1091,018.21$110,585
2026-10-22Adamo ClaudineofficerF1111,018.21$112,988
2026-10-22Adamo ClaudineofficerF1771,018.21$180,282
2026-10-22Adamo ClaudineofficerF1981,018.21$201,900
2026-10-22Adamo ClaudineofficerF971,018.21$98,707
2026-10-22Barbre Tiffany MarieotherF1661,018.21$169,482
2026-10-22Barbre Tiffany MarieotherF851,018.21$86,144
2026-10-22Barbre Tiffany MarieotherF1021,018.21$103,385
2026-10-22Barbre Tiffany MarieotherF941,018.21$95,659
2026-10-22Barbre Tiffany MarieotherF901,018.21$91,873
2026-10-22Barbre Tiffany MarieotherA1,9650$0
2026-10-22DECKER SUSAN LdirectorA2660$0
2026-10-22DENMAN KENNETH DdirectorA2660$0
2026-10-22Foulkes HelenadirectorA2660$0
2026-10-22George Sarah CatherineofficerF471,018.21$47,562
2026-10-22George Sarah CatherineofficerF351,018.21$35,455
2026-10-22George Sarah CatherineofficerF561,018.21$56,790
2026-10-22George Sarah CatherineofficerF621,018.21$63,605
2026-10-22George Sarah CatherineofficerF601,018.21$61,080
2026-10-22JAMES HAMILTON EdirectorA2660$0
2026-10-22JEWELL SARAH MR SALLYdirectorA2660$0
2026-10-22Klauer James CofficerF5421,018.21$551,717
2026-10-22Klauer James CofficerF4431,018.21$450,749
2026-10-22Klauer James CofficerF5301,018.21$539,623
2026-10-22Klauer James CofficerF3961,018.21$403,391
2026-10-22Klauer James CofficerF1911,018.21$194,150
2026-10-22RAIKES JEFFREY SdirectorA2660$0
2026-10-22Raimondo Gina MariedirectorA2660$0
2026-10-22STANTON JOHN WdirectorA2660$0
2026-10-22Wilderotter Mary AgnesdirectorA2660$0
2026-10-22Vachris Roland MichaeldirectorF1,1311,018.21$1,152,082
2026-10-22Vachris Roland MichaeldirectorF1,1211,018.21$1,140,949
2026-10-22Vachris Roland MichaeldirectorF1,4041,018.21$1,429,151
2026-10-22Vachris Roland MichaeldirectorA13,9730$0

Federal contracts

No federal contract actions on record for this recipient mapping.

Lobbying

No federal lobbying filings on record for this client mapping.

Public attention

7-day average 2,146 views/day vs 90-day median 2,110.

Recent filings

  • 2026-10-27 4
  • 2026-10-27 4
  • 2026-10-27 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-26 4
  • 2026-10-16 8-K
  • 2026-10-14 8-K