| 2005-07-27 | WESTERN GAS RESOURCES INC | S | ▼−39.9K sh | $39.96 | ▼−$1.59M | 2,982,674 |
| 2005-07-27 | WESTERN GAS RESOURCES INC | S | ▼−400 sh | $39.97 | ▼−$16K | 2,982,274 |
| 2005-07-27 | WESTERN GAS RESOURCES INC | S | ▼−200 sh | $40.00 | ▼−$8,000 | 2,982,074 |
| 2005-07-25 | WESTERN GAS RESOURCES INC | S | ▼−86.4K sh | $39.96 | ▼−$3.45M | 3,036,174 |
| 2005-07-25 | WESTERN GAS RESOURCES INC | S | ▼−5,600 sh | $39.97 | ▼−$224K | 3,030,574 |
| 2005-07-25 | WESTERN GAS RESOURCES INC | S | ▼−1,000 sh | $39.98 | ▼−$40K | 3,029,574 |
| 2005-07-25 | WESTERN GAS RESOURCES INC | S | ▼−1,800 sh | $39.99 | ▼−$72K | 3,027,774 |
| 2005-07-25 | WESTERN GAS RESOURCES INC | S | ▼−3,800 sh | $40.00 | ▼−$152K | 3,023,974 |
| 2005-07-25 | WESTERN GAS RESOURCES INC | S | ▼−400 sh | $40.01 | ▼−$16K | 3,023,574 |
| 2005-07-25 | WESTERN GAS RESOURCES INC | S | ▼−200 sh | $40.02 | ▼−$8,004 | 3,023,374 |
| 2005-07-25 | WESTERN GAS RESOURCES INC | S | ▼−800 sh | $40.03 | ▼−$32K | 3,022,574 |
| 2005-06-03 | WESTERN GAS RESOURCES INC | J | +3,053 sh | $29.25 | +$89.3K | 3,125,944 |
| 2005-06-02 | WESTERN GAS RESOURCES INC | J | +317 sh | $34.45 | +$10.9K | 3,122,891 |
| 2005-02-28 | WESTERN GAS RESOURCES INC | S | ▼−50K sh | $37.52 | ▼−$1.88M | 3,122,574 |
| 2005-02-25 | WESTERN GAS RESOURCES INC | S | ▼−178K sh | $36.34 | ▼−$6.45M | 3,172,574 |
| 2005-02-24 | WESTERN GAS RESOURCES INC | S | ▼−72.5K sh | $35.02 | ▼−$2.54M | 3,350,074 |
| 2004-04-19 | WESTERN GAS RESOURCES INC | S | ▼−69.3K sh | $55.09 | ▼−$3.82M | 1,811,287 |
| 2004-04-16 | WESTERN GAS RESOURCES INC | S | ▼−6,900 sh | $54.86 | ▼−$379K | 1,880,587 |
| 2004-04-15 | WESTERN GAS RESOURCES INC | S | ▼−83K sh | $52.96 | ▼−$4.4M | 1,911,287 |
| 2004-04-15 | WESTERN GAS RESOURCES INC | S | ▼−23.8K sh | $54.86 | ▼−$1.31M | 1,887,487 |
| 2004-04-12 | WESTERN GAS RESOURCES INC | S | ▼−17K sh | $52.72 | ▼−$896K | 1,994,287 |
| 2003-11-21 | WESTERN GAS RESOURCES INC | S | ▼−129K sh | $42.91 | ▼−$5.51M | 2,511,287 |
| 2003-11-21 | WESTERN GAS RESOURCES INC | S | ▼−9,700 sh | $40.91 | ▼−$397K | 2,639,787 |
| 2003-11-14 | WESTERN GAS RESOURCES INC | S | ▼−9,700 sh | $43.98 | ▼−$427K | 2,639,787 |
| 2003-08-27 | WESTERN GAS RESOURCES INC | S | ▼−25K sh | $38.64 | ▼−$966K | 2,649,487 |
| 2003-08-25 | WESTERN GAS RESOURCES INC | S | ▼−71K sh | $32.63 | ▼−$2.32M | 26,994,487 |
| 2003-08-25 | WESTERN GAS RESOURCES INC | S | ▼−25K sh | $38.61 | ▼−$965K | 2,674,487 |
| 2003-08-22 | WESTERN GAS RESOURCES INC | S | ▼−37.5K sh | $38.60 | ▼−$1.45M | 2,770,487 |
| 2003-08-21 | WESTERN GAS RESOURCES INC | S | ▼−3,600 sh | $38.92 | ▼−$140K | 2,807,987 |
| 2003-08-20 | WESTERN GAS RESOURCES INC | S | ▼−71.1K sh | $38.78 | ▼−$2.76M | 2,811,587 |
| 2003-08-19 | WESTERN GAS RESOURCES INC | S | ▼−14.8K sh | $38.54 | ▼−$570K | 2,882,687 |
| 2003-08-18 | WESTERN GAS RESOURCES INC | S | ▼−135K sh | $38.43 | ▼−$5.19M | 2,897,487 |
| 2003-08-15 | WESTERN GAS RESOURCES INC | S | ▼−9,800 sh | $38.94 | ▼−$382K | 3,032,487 |