| 2005-02-28 | Sale | Northwest Pipe Company NWPX | SR VICE PRESIDENT | 3,600 0.0483% | $21.79 | $78,455 | +8.51% | |
| 2004-11-03 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 720 0.007% | $10.89 | $7,841 | +43.82% | |
| 2004-11-01 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 2,600 0.0401% | $17.11 | $44,492 | +45.61% | |
| 2004-10-29 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 4,000 0.038% | $10.77 | $43,060 | +42.72% | |
| 2004-10-28 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 4,000 0.043% | $12.19 | $48,766 | +42.3% | |
| 2004-08-12 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 1,500 0.0225% | $17.03 | $25,544 | +31.5% | |
| 2004-08-11 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 200 0.002% | $10.99 | $2,198 | +32.67% | |
| 2004-08-10 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 4,700 0.0703% | $17.17 | $80,715 | +29.83% | |
| 2004-08-09 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 2,000 0.0304% | $16.93 | $33,860 | +33.71% | |
| 2004-08-06 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 1,000 0.0151% | $16.89 | $16,894 | +32.86% | |
| 2004-08-04 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 1,200 0.0116% | $10.94 | $13,128 | +30.03% | |
| 2004-08-03 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 1,500 0.0226% | $16.98 | $25,475 | +31.18% | |
| 2004-08-02 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 1,500 0.0231% | $17.67 | $26,510 | +28.57% | |
| 2004-07-30 | Sale | Northwest Pipe Company NWPX | SVP TUBULAR PRODUCTS | 1,000 0.0096% | $11.27 | $11,265 | +25.45% | |
| 2003-08-12 | Sale | Northwest Pipe Company NWPX | SR VICE PRESIDENT | 300 0.0045% | $15.80 | $4,740 | -8.8% | |
| 2003-08-11 | Sale | Northwest Pipe Company NWPX | SR VICE PRESIDENT | 1,000 0.015% | $15.90 | $15,900 | -10.49% | |
| 2003-08-08 | Sale | Northwest Pipe Company NWPX | SR VICE PRESIDENT | 500 0.0005% | $1.00 | $500 | -8.52% |