Dennis R. Zook serves as Executive at COSTCO WHOLESALE CORP /NEW, where they oversee executive responsibilities. Since joining the company, Dennis R. Zook has executed 128 insider transactions totaling $17.9M, demonstrating a bearish approach to their equity position. Their most recent transaction on Apr 12, 2008 involved selling 1,177 shares valued at $77.3K.
Dennis R. Zook currently holds 18,680 shares of COSTCO WHOLESALE CORP /NEW (COST), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Dennis R. Zook has been a net seller of COST stock. They have purchased $0 and sold $17.9M worth of shares.
Dennis R. Zook's most recent insider trade was on Apr 12, 2008, when they sold 1,177 shares at $65.70 per share.
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| 15,000 |
| $37.35 |
| Discretionary |
| Apr 1, 2008 | COST | $656.9K | Option Exercise | 15,000 | $43.79 | Discretionary |
| Apr 1, 2008 | COST | $0 | Sale | 45,000 | $N/A | Discretionary |
| Apr 1, 2008 | COST | $506.3K | Option Exercise | 15,000 | $33.75 | Discretionary |
| Oct 19, 2007 | COST | $150.3K | Payment | 2,288 | $65.70 | Discretionary |
| Jun 11, 2007 | COST | $0 | Sale | 60,000 | $N/A | Discretionary |
| Jun 11, 2007 | COST | $560.3K | Option Exercise | 15,000 | $37.35 | Discretionary |
| Jun 11, 2007 | COST | $656.9K | Option Exercise | 15,000 | $43.79 | Discretionary |
| Jun 11, 2007 | COST | $506.3K | Option Exercise | 15,000 | $33.75 | Discretionary |
| Jun 11, 2007 | COST | $588.8K | Option Exercise | 15,000 | $39.25 | Discretionary |
| Apr 12, 2007 | COST | $48.9K | Payment | 894 | $54.68 | Discretionary |
| Nov 9, 2006 | COST | $0 | Award | 25 | $N/A | Discretionary |
| Oct 19, 2006 | COST | $0 | Award | 25,000 | $N/A | Discretionary |
| Oct 16, 2006 | COST | $514.2K | Option Exercise | 15,000 | $34.28 | Discretionary |
| Oct 16, 2006 | COST | $799.8K | Sale | 15,000 | $53.32 | Discretionary |
| Jun 12, 2006 | COST | $0 | Award | 12,500 | $N/A | Discretionary |
| Apr 10, 2006 | COST | $656.9K | Option Exercise | 15,000 | $43.79 | Discretionary |
| Apr 10, 2006 | COST | $3.3M | Sale | 60,000 | $55.00 | Discretionary |
| Apr 10, 2006 | COST | $581.9K | Option Exercise | 15,000 | $38.79 | Discretionary |
| Apr 10, 2006 | COST | $456.1K | Option Exercise | 15,000 | $30.41 | Discretionary |
| Apr 10, 2006 | COST | $560.3K | Option Exercise | 15,000 | $37.35 | Discretionary |
| Mar 6, 2006 | COST | $532.3K | Sale | 10,000 | $53.23 | Discretionary |
| Mar 6, 2006 | COST | $635.2K | Sale | 12,000 | $52.93 | Discretionary |
| Mar 6, 2006 | COST | $531.5K | Sale | 10,000 | $53.15 | Discretionary |
| Mar 6, 2006 | COST | $1.5M | Sale | 28,000 | $53.00 | Discretionary |
| Mar 6, 2006 | COST | $560.3K | Option Exercise | 15,000 | $37.35 | Discretionary |
| Mar 6, 2006 | COST | $1.7M | Option Exercise | 45,000 | $38.79 | Discretionary |