COSTCO WHOLESALE CORP /NEW·4

Mar 11, 4:08 PM ET

Adamo Claudine 4

4 · COSTCO WHOLESALE CORP /NEW · Filed Mar 11, 2026

Research Summary

AI-generated summary of this filing

Updated

Costco (COST) EVP Claudine Adamo Sells 730 Shares

What Happened

  • Claudine Adamo, Executive Vice President of Costco Wholesale Corp. (COST), sold 730 shares in an open-market/private sale on March 9, 2026.
  • Price per share: $1,003.02. Total proceeds reported: $732,205. The transaction is coded as a sale (S) on the Form 4.

Key Details

  • Transaction date: 2026-03-09; filing date: 2026-03-11 (appears to be timely).
  • Price: $1,003.02 per share; Shares sold: 730; Total value: $732,205.
  • Shares owned after transaction: Not specified in the provided filing excerpt.
  • Footnotes/plan disclosures: No 10b5-1 plan, tax-withholding, or other special footnotes were disclosed in the supplied data.
  • Transaction type: Sale (S) — proceeds were disposed; not a purchase or option exercise.

Context

  • This was a sale (disposition) of stock. Sales by executives can be routine (diversification, liquidity, tax planning) and are generally considered less informative about company prospects than insider purchases. No additional details (e.g., 10b5‑1 plan or late filing) were provided in the excerpt.

Insider Transaction Report

Form 4
Period: 2026-03-09
Adamo Claudine
Executive Vice President
Transactions
  • Sale

    Common Stock

    2026-03-09$1003.02/sh730$732,2056,121.195 total
Signature
/s/ Alejandro Torres, Attorney-in-Fact|2026-03-11

Documents

1 file
  • 4
    form4.xmlPrimary

    PRIMARY DOCUMENT