Tsutomu T. Yamashita serves as Executive at KOMAG INC /DE/, where they oversee executive responsibilities. Since joining the company, Tsutomu T. Yamashita has executed 16 insider transactions totaling $223.9K, demonstrating a bearish approach to their equity position. Their most recent transaction on Sep 5, 2007 involved selling 43,117 shares valued at $1.4M.
Tsutomu T. Yamashita currently holds 43,117 shares of KOMAG INC /DE/ (KOMG), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Tsutomu T. Yamashita has been a net seller of KOMG stock. They have purchased $0 and sold $223.9K worth of shares.
Tsutomu T. Yamashita's most recent insider trade was on Sep 5, 2007, when they sold 43,117 shares at $32.25 per share.
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| 5,451 |
| $N/A |
| Discretionary |
| Feb 20, 2007 | KOMG | $14.7K | Option Exercise | 781 | $18.85 | Discretionary |
| Feb 20, 2007 | KOMG | $4.3K | Option Exercise | 667 | $6.48 | Discretionary |
| Feb 20, 2007 | KOMG | $4.9K | Option Exercise | 375 | $13.16 | Discretionary |
| Feb 20, 2007 | KOMG | $22.5K | Sale | 696 | $32.30 | Discretionary |
| Feb 20, 2007 | KOMG | $22.2K | Sale | 696 | $31.84 | Discretionary |
| Feb 20, 2007 | KOMG | $21.9K | Sale | 686 | $31.96 | Discretionary |
| Feb 20, 2007 | KOMG | $22.3K | Sale | 696 | $32.08 | Discretionary |
| Feb 20, 2007 | KOMG | $22.8K | Sale | 711 | $32.10 | Discretionary |
| Feb 20, 2007 | KOMG | $44.9K | Sale | 1,392 | $32.29 | Discretionary |
| Feb 20, 2007 | KOMG | $22.4K | Sale | 696 | $32.22 | Discretionary |
| Feb 20, 2007 | KOMG | $22.4K | Sale | 696 | $32.21 | Discretionary |
| Feb 20, 2007 | KOMG | $22.4K | Sale | 696 | $32.18 | Discretionary |
| Feb 15, 2007 | KOMG | $91.7K | Payment | 2,858 | $32.10 | Discretionary |
| Oct 10, 2006 | KOMG | $0 | Option Exercise | 25,000 | $N/A | Discretionary |