William S. Mckiernan serves as Executive at CYBERSOURCE CORP, where they oversee executive responsibilities. Since joining the company, William S. Mckiernan has executed 1034 insider transactions totaling $128.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 25, 2008 involved selling 200 shares valued at $3.1K.
William S. Mckiernan currently holds 3,401,918 shares of CYBERSOURCE CORP (CYBS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, William S. Mckiernan has been a net seller of CYBS stock. They have purchased $0 and sold $128.3M worth of shares.
William S. Mckiernan's most recent insider trade was on Feb 25, 2008, when they sold 200 shares at $15.30 per share.
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| $15.29 |
| Discretionary |
| Feb 25, 2008 | CYBS | $12.2K | Sale | 800 | $15.28 | Discretionary |
| Feb 25, 2008 | CYBS | $3.8K | Sale | 250 | $15.27 | Discretionary |
| Feb 25, 2008 | CYBS | $13.7K | Sale | 900 | $15.26 | Discretionary |
| Feb 25, 2008 | CYBS | $9.2K | Sale | 600 | $15.25 | Discretionary |
| Feb 19, 2008 | CYBS | $4.8K | Sale | 300 | $16.12 | Discretionary |
| Feb 19, 2008 | CYBS | $3.2K | Sale | 200 | $16.09 | Discretionary |
| Feb 19, 2008 | CYBS | $12.9K | Sale | 800 | $16.07 | Discretionary |
| Feb 19, 2008 | CYBS | $1.6K | Sale | 100 | $16.42 | Discretionary |
| Feb 19, 2008 | CYBS | $1.6K | Sale | 100 | $16.40 | Discretionary |
| Feb 19, 2008 | CYBS | $4.9K | Sale | 300 | $16.39 | Discretionary |
| Feb 19, 2008 | CYBS | $8.2K | Sale | 500 | $16.38 | Discretionary |
| Feb 19, 2008 | CYBS | $3.3K | Sale | 200 | $16.37 | Discretionary |
| Feb 19, 2008 | CYBS | $1.6K | Sale | 100 | $16.36 | Discretionary |
| Feb 19, 2008 | CYBS | $6.5K | Sale | 400 | $16.30 | Discretionary |
| Feb 19, 2008 | CYBS | $11.1K | Sale | 684 | $16.27 | Discretionary |
| Feb 19, 2008 | CYBS | $6.5K | Sale | 400 | $16.26 | Discretionary |
| Feb 19, 2008 | CYBS | $22.7K | Sale | 1,400 | $16.24 | Discretionary |
| Feb 19, 2008 | CYBS | $9.7K | Sale | 600 | $16.23 | Discretionary |
| Feb 19, 2008 | CYBS | $4.9K | Sale | 300 | $16.22 | Discretionary |
| Feb 19, 2008 | CYBS | $3.2K | Sale | 200 | $16.21 | Discretionary |
| Feb 19, 2008 | CYBS | $21.1K | Sale | 1,300 | $16.20 | Discretionary |
| Feb 19, 2008 | CYBS | $4.9K | Sale | 300 | $16.19 | Discretionary |
| Feb 19, 2008 | CYBS | $12.9K | Sale | 800 | $16.18 | Discretionary |
| Feb 19, 2008 | CYBS | $11.6K | Sale | 716 | $16.17 | Discretionary |
| Feb 19, 2008 | CYBS | $13.5K | Sale | 834 | $16.16 | Discretionary |
| Feb 19, 2008 | CYBS | $10.8K | Sale | 666 | $16.15 | Discretionary |
| Feb 19, 2008 | CYBS | $9.7K | Sale | 600 | $16.14 | Discretionary |
| Feb 19, 2008 | CYBS | $8.1K | Sale | 500 | $16.13 | Discretionary |