| 2012-02-29 | Allied World Assurance Co Holdings, GmbH | S | ▼−8,627 sh | $66.43 | ▼−$573K | 44,717 |
| 2012-02-28 | Allied World Assurance Co Holdings, GmbH | M | −1,222 sh | — | — | 3,668 |
| 2012-02-28 | Allied World Assurance Co Holdings, GmbH | M | −3,333 sh | — | — | 0 |
| 2012-02-28 | Allied World Assurance Co Holdings, GmbH | M | −3,333 sh | — | — | 0 |
| 2012-02-28 | Allied World Assurance Co Holdings, GmbH | M | +1,222 sh | $61.51 | +$75.2K | 61,605 |
| 2012-02-28 | Allied World Assurance Co Holdings, GmbH | M | +3,333 sh | $32.70 | +$109K | 60,383 |
| 2012-02-28 | Allied World Assurance Co Holdings, GmbH | M | +3,333 sh | $29.52 | +$98.4K | 57,050 |
| 2012-02-28 | Allied World Assurance Co Holdings, GmbH | S | ▼−8,261 sh | $66.43 | ▼−$549K | 53,344 |
| 2012-02-26 | Allied World Assurance Co Holdings, GmbH | M | −624 sh | — | — | 3,094 |
| 2012-02-22 | Allied World Assurance Co Holdings, GmbH | D | −461 sh | $66.89 | −$30.8K | 53,405 |
| 2012-02-22 | Allied World Assurance Co Holdings, GmbH | A | +13.5K sh | — | — | 52,794 |
| 2012-02-22 | Allied World Assurance Co Holdings, GmbH | M | −750 sh | — | — | 3,718 |
| 2012-02-22 | Allied World Assurance Co Holdings, GmbH | M | +322 sh | — | — | 53,116 |
| 2012-02-22 | Allied World Assurance Co Holdings, GmbH | M | +750 sh | — | — | 53,866 |
| 2012-02-22 | Allied World Assurance Co Holdings, GmbH | M | −322 sh | — | — | 4,468 |
| 2012-02-16 | Allied World Assurance Co Holdings, GmbH | S | ▼−3,500 sh | $67.00 | ▼−$235K | 39,294 |
| 2011-03-02 | Allied World Assurance Co Holdings, GmbH | S | ▼−5,000 sh | $61.86 | ▼−$309K | 42,379 |
| 2011-02-26 | Allied World Assurance Co Holdings, GmbH | M | −626 sh | — | — | 4,790 |
| 2011-02-26 | Allied World Assurance Co Holdings, GmbH | M | +624 sh | — | — | 54,029 |
| 2011-02-26 | Allied World Assurance Co Holdings, GmbH | D | −312 sh | $67.76 | −$21.1K | 53,717 |
| 2011-02-26 | Allied World Assurance Co Holdings, GmbH | M | +626 sh | — | — | 47,692 |
| 2011-02-26 | Allied World Assurance Co Holdings, GmbH | D | −313 sh | $61.25 | −$19.2K | 47,379 |
| 2011-02-25 | Allied World Assurance Co Holdings, GmbH | S | ▼−2,500 sh | $60.92 | ▼−$152K | 47,066 |
| 2011-02-22 | Allied World Assurance Co Holdings, GmbH | M | +750 sh | — | — | 49,866 |
| 2011-02-22 | Allied World Assurance Co Holdings, GmbH | D | −300 sh | $62.05 | −$18.6K | 49,566 |
| 2011-02-22 | Allied World Assurance Co Holdings, GmbH | M | −750 sh | — | — | 4,126 |
| 2011-02-22 | Allied World Assurance Co Holdings, GmbH | A | +4,890 sh | — | — | 4,890 |
| 2011-02-22 | Allied World Assurance Co Holdings, GmbH | A | +1,290 sh | — | — | 5,416 |
| 2011-02-21 | Allied World Assurance Co Holdings, GmbH | A | +21K sh | — | — | 49,116 |
| 2010-07-27 | Allied World Assurance Co Holdings, GmbH | S | ▼−5,000 sh | $49.90 | ▼−$250K | 27,750 |
| 2010-07-22 | Allied World Assurance Co Holdings, GmbH | S | ▼−4,687 sh | $48.75 | ▼−$228K | 32,750 |
| 2010-06-23 | Allied World Assurance Co Holdings, GmbH | S | ▼−2,676 sh | $47.25 | ▼−$126K | 37,437 |
| 2010-02-26 | Allied World Assurance Co Holdings, GmbH | M | −624 sh | — | — | 4,876 |
| 2010-02-26 | Allied World Assurance Co Holdings, GmbH | D | −312 sh | $46.14 | −$14.4K | 40,113 |
| 2010-02-26 | Allied World Assurance Co Holdings, GmbH | M | +624 sh | — | — | 40,425 |
| 2010-02-22 | Allied World Assurance Co Holdings, GmbH | A | +3,000 sh | — | — | 5,500 |
| 2010-02-22 | Allied World Assurance Co Holdings, GmbH | A | +22.5K sh | — | — | 39,801 |