Costco Wholesale
Insider trading & Transactions

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Transaction Date Insider Security Shares Price per share Total value Source
Sale
JAMES HAMILTON E director, officer: Chairman of ..
Common Stock 16,000 $14.06 $225,008
Option
JAMES HAMILTON E director, officer: Chairman of ..
Stock Option 16,000 $14.06 $225,008
Option
JAMES HAMILTON E director, officer: Chairman of ..
Common Stock 16,000 $14.06 $225,008
Purchase
EVANS DANIEL J director
Common Stock 1,000 $45.12 $45,120
Option
SCHUTT DOUGLAS W officer: Former Executive VP
Common Stock 2,000 $34.28 $68,560
Sale
SCHUTT DOUGLAS W officer: Former Executive VP
Common Stock 2,000 $34.28 $68,560
Option
SCHUTT DOUGLAS W officer: Former Executive VP
Stock Option 2,000 $34.28 $68,560
Option
MEISENBACH JOHN W director
Stock Option 16,000 $7.38 $118,000
Sale
MEISENBACH JOHN W director
Common Stock 16,000 $7.38 $118,000
Option
MEISENBACH JOHN W director
Common Stock 16,000 $7.38 $118,000
Sale
PETTERSON DAVID S other: Former Principal Acct Of..
Common Stock 2,500 $34.28 $85,700
Option
PETTERSON DAVID S other: Former Principal Acct Of..
Common Stock 2,500 $34.28 $85,700
Option
PETTERSON DAVID S other: Former Principal Acct Of..
Stock Option 2,500 $34.28 $85,700
Sale
GALANTI RICHARD A director, officer: Executive VP..
Common Stock 20,000 $8.75 $175,000
Option
GALANTI RICHARD A director, officer: Executive VP..
Common Stock 20,000 $8.75 $175,000
Option
GALANTI RICHARD A director, officer: Executive VP..
Stock Option 20,000 $8.75 $175,000
Option
ZOOK DENNIS R officer: Former Executive VP
Stock Option 25,000 $36.91 $922,650
Option
ZOOK DENNIS R officer: Former Executive VP
Common Stock 25,000 $36.91 $922,650
Sale
ZOOK DENNIS R officer: Former Executive VP
Common Stock 25,000 $36.91 $922,650
Sale
ZOOK DENNIS R officer: Former Executive VP
Common Stock 25,000 $36.91 $922,650
Option
ZOOK DENNIS R officer: Former Executive VP
Common Stock 25,000 $36.91 $922,650
Option
JELINEK W CRAIG director, officer: President an..
Stock Option 27,000 $8.75 $236,250
Option
JELINEK W CRAIG director, officer: President an..
Common Stock 27,000 $8.75 $236,250
Sale
JELINEK W CRAIG director, officer: President an..
Common Stock 27,000 $8.75 $236,250
Option
DICERCHIO RICHARD D director
Common Stock 24,000 $13.44 $322,512
Option
DICERCHIO RICHARD D director
Stock Option 24,000 $13.44 $322,512
Sale
DICERCHIO RICHARD D director
Common Stock 24,000 $13.44 $322,512
Option
MOULTON PAUL G officer: Executive VP
Common Stock 12,000 $22.88 $274,500
Sale
MOULTON PAUL G officer: Executive VP
Common Stock 12,000 $48.2 $578,400
Option
MOULTON PAUL G officer: Executive VP
Stock Option 12,000 $22.88 $274,500
Option
ZOOK DENNIS R officer: Former Executive VP
Common Stock 25,000 $36.91 $922,650
Sale
ZOOK DENNIS R officer: Former Executive VP
Common Stock 25,000 $36.91 $922,650
Option
ZOOK DENNIS R officer: Former Executive VP
Stock Option 25,000 $36.91 $922,650
Option
ZOOK DENNIS R officer: Former Executive VP
Stock Option 25,000 $36.91 $922,650
Sale
ZOOK DENNIS R officer: Former Executive VP
Common Stock 25,000 $36.91 $922,650
Option
ZOOK DENNIS R officer: Former Executive VP
Common Stock 25,000 $36.91 $922,650
Option
PETTERSON DAVID S other: Former Principal Acct Of..
Stock Option 10,000 $34.28 $342,800
Option
PETTERSON DAVID S other: Former Principal Acct Of..
Common Stock 10,000 $34.28 $342,800
Sale
PETTERSON DAVID S other: Former Principal Acct Of..
Common Stock 10,000 $34.28 $342,800
Sale
WALKER THOMAS KIRK officer: Executive VP
Common Stock 50,000 $45.36 $2,267,900
Sale
RUCKELSHAUS JILL S other: Former Director
Common Stock 16,000 $9.28 $148,496
Option
RUCKELSHAUS JILL S other: Former Director
Stock Option 16,000 $9.28 $148,496
Option
RUCKELSHAUS JILL S other: Former Director
Common Stock 16,000 $9.28 $148,496
Option
GALANTI RICHARD A director, officer: Executive VP..
Common Stock 20,000 $8.75 $175,000
Option
PETTERSON DAVID S other: Former Principal Acct Of..
Stock Option 10,000 $34.28 $342,800
Sale
GALANTI RICHARD A director, officer: Executive VP..
Common Stock 20,000 $8.75 $175,000
Option
GALANTI RICHARD A director, officer: Executive VP..
Stock Option 20,000 $8.75 $175,000
Option
PETTERSON DAVID S other: Former Principal Acct Of..
Common Stock 10,000 $34.28 $342,800
Sale
PETTERSON DAVID S other: Former Principal Acct Of..
Common Stock 10,000 $34.28 $342,800
Sale
GALANTI RICHARD A director, officer: Executive VP..
Common Stock 30,000 $8.75 $262,500

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.