Costco Wholesale
Insider trading & Transactions

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Transaction Date Insider Security Shares Price per share Total value Source
Option
PETTERSON DAVID S other: Former Principal Acct Of..
Stock Option 5,000 $37.49 $187,450
Option
PETTERSON DAVID S other: Former Principal Acct Of..
Common Stock 5,000 $37.49 $187,450
Sale
PETTERSON DAVID S other: Former Principal Acct Of..
Common Stock 5,000 $37.49 $187,450
Sale
MEISENBACH JOHN W director
Common Stock 16,000 $36.22 $579,520
Option
MEISENBACH JOHN W director
Common Stock 16,000 $36.22 $579,520
Option
MEISENBACH JOHN W director
Stock Option 16,000 $36.22 $579,520
Sale
PETTERSON DAVID S other: Former Principal Acct Of..
Common Stock 5,000 $36.96 $184,805
Sale
GALANTI RICHARD A director, officer: Executive VP..
Common Stock 17,500 $36.96 $646,853
Option
PETTERSON DAVID S other: Former Principal Acct Of..
Stock Option 5,000 $36.96 $184,805
Option
PETTERSON DAVID S other: Former Principal Acct Of..
Common Stock 5,000 $36.96 $184,805
Sale
LAZARUS FRANZ E officer: Executive VP
Common Stock 20,000 $36.1 $722,000
Option
LAZARUS FRANZ E officer: Executive VP
Stock Option 20,000 $36.1 $722,000
Option
LAZARUS FRANZ E officer: Executive VP
Common Stock 20,000 $36.1 $722,000
Sale
LIBENSON RICHARD M director, other: Director Emeri..
Common Stock 34,230 $38.03 $1,301,767

Insider trading

Monitoring trades made by the management members or major shareholders of companies may help create a sharper picture of what is happening inside the companies. Base your decisions on buys or sells of the people involved and do the right thing at the right time.

Who is insider?

Every director or senior officer, as well as any other entity or individual owning more than 10% of the company’s shares on the stock market, is called an insider. Such people or entities are allowed to buy/sell the company's shares under strictly controlled conditions. Key premise here is that none of them can make trades based on non-public information about the company.