David B. Singer serves as Executive at AFFYMETRIX INC, where they oversee executive responsibilities. Since joining the company, David B. Singer has executed 73 insider transactions totaling $424.4K, demonstrating a bearish approach to their equity position. Their most recent transaction on May 23, 2006 involved selling 6,000 shares valued at $8.2K.
David B. Singer currently holds 264 shares of AFFYMETRIX INC (AFFX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David B. Singer has been a net seller of AFFX stock. They have purchased $0 and sold $424.4K worth of shares.
David B. Singer's most recent insider trade was on May 23, 2006, when they sold 6,000 shares at $1.37 per share.
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| $1.36 |
| Discretionary |
| May 23, 2006 | OSCI | $4.0K | Sale | 3,000 | $1.35 | Discretionary |
| May 23, 2006 | OSCI | $8.2K | Sale | 6,000 | $1.37 | Discretionary |
| May 23, 2006 | OSCI | $4.1K | Sale | 3,000 | $1.36 | Discretionary |
| May 23, 2006 | OSCI | $4.0K | Sale | 3,000 | $1.35 | Discretionary |
| May 23, 2006 | OSCI | $1.8K | Option Exercise | 25,463 | $0.07 | Discretionary |
| May 23, 2006 | OSCI | $13.9K | Sale | 10,000 | $1.39 | Discretionary |
| May 23, 2006 | OSCI | $4.8K | Sale | 3,463 | $1.38 | Discretionary |
| May 22, 2006 | OSCI | $1.3K | Sale | 980 | $1.34 | Discretionary |
| May 22, 2006 | OSCI | $35.4K | Sale | 26,237 | $1.35 | Discretionary |
| May 22, 2006 | OSCI | $12.7K | Sale | 9,320 | $1.36 | Discretionary |
| May 22, 2006 | OSCI | $2.6K | Option Exercise | 36,537 | $0.07 | Discretionary |
| May 22, 2006 | OSCI | $2.6K | Option Exercise | 36,537 | $0.07 | Discretionary |
| May 22, 2006 | OSCI | $12.7K | Sale | 9,320 | $1.36 | Discretionary |
| May 22, 2006 | OSCI | $35.4K | Sale | 26,237 | $1.35 | Discretionary |
| May 22, 2006 | OSCI | $1.3K | Sale | 980 | $1.34 | Discretionary |
| Apr 4, 2006 | OSCI | $0 | Gift | 1,250 | $N/A | Discretionary |
| Apr 4, 2006 | OSCI | $0 | Gift | 1,250 | $N/A | Discretionary |
| Apr 4, 2006 | OSCI | $0 | Gift | 1,250 | $N/A | Discretionary |
| Apr 4, 2006 | OSCI | $0 | Gift | 3,750 | $N/A | Discretionary |
| Feb 28, 2006 | AFFX | $0 | Gift | 525 | $N/A | Discretionary |
| Nov 16, 2005 | AFFX | $0 | Gift | 475 | $N/A | Discretionary |