Costco Wholesale COST

Costco Wholesale Corp /NEW · Nasdaq · Retail-Variety Stores

$1,087.61+2.01%close on Nov. 11, 2026 · volume 2.2M · Yahoo Finance

Price, last 57 sessions

$900.00$950.00$1,000.00$1,050.00Sept. 2026Oct. 2026Nov. 2026
Aug. 24, 2026 to Nov. 11, 2026 · high $1,087.61 · low $892.42 · SEC filing, placed when SEC released it

Our coverage

Insider buying and selling

DateInsiderTradeSharesAvg. priceValue
Oct. 13, 2026William Richard Wilcox
Executive Vice President
Sold1,100$958.21$1.05 million
Sept. 29, 2026Caton Frates
Sr. Executive Vice President
Sold801$915.93$733,328
Sept. 29, 2026Claudine Adamo
Executive Vice President
Sold2,200$915.93$2.02 million

Open-market purchases and sales reported on SEC Form 4 filed since July 24, 2026; grants, option exercises and shares withheld for tax aren't shown. A trade under a 10b5-1 plan was scheduled in advance. Where a filing was amended, the amendment's figures are shown.

Recent SEC filings

All 33 →