| 2012-11-14 | Towers Watson & Co. | S | ▼−5,000 sh | $49.92 | ▼−$250K | 28,043 |
| 2012-11-14 | Towers Watson & Co. | S | ▼−5,000 sh | $50.00 | ▼−$250K | 13,043 |
| 2012-11-14 | Towers Watson & Co. | S | ▼−5,000 sh | $49.98 | ▼−$250K | 18,043 |
| 2012-11-14 | Towers Watson & Co. | S | ▼−5,000 sh | $49.95 | ▼−$250K | 23,043 |
| 2012-06-30 | Towers Watson & Co. | F | −123 sh | $59.90 | −$7,367.7 | 33,043 |
| 2011-12-20 | Towers Watson & Co. | G | −458 sh | — | — | 33,043 |
| 2011-09-27 | Towers Watson & Co. | S | ▼−19.1K sh | $60.60 | ▼−$1.16M | 33,624 |
| 2011-09-27 | Towers Watson & Co. | M | −7,114 sh | — | — | 0 |
| 2011-09-27 | Towers Watson & Co. | M | +7,114 sh | $42.47 | +$302K | 52,738 |
| 2011-09-15 | Towers Watson & Co. | F | −486 sh | $57.43 | −$27.9K | 45,624 |
| 2011-09-15 | Towers Watson & Co. | A | +2,789 sh | — | — | 46,110 |
| 2011-06-06 | Towers Watson & Co. | S | ▼−1,500 sh | $60.85 | ▼−$91.3K | 43,321 |
| 2010-12-17 | Towers Watson & Co. | G | −571 sh | — | — | 44,821 |
| 2010-08-04 | Towers Watson & Co. | D | −2,134 sh | $45.01 | −$96.1K | 45,392 |
| 2010-08-03 | Towers Watson & Co. | D | −200 sh | $45.01 | −$9,002 | 47,526 |
| 2010-07-27 | Towers Watson & Co. | D | −100 sh | $45.01 | −$4,501 | 47,726 |
| 2010-05-19 | Towers Watson & Co. | S | ▼−500 sh | $50.00 | ▼−$25K | 47,826 |
| 2010-05-03 | Towers Watson & Co. | S | ▼−10.4K sh | $50.00 | ▼−$520K | 48,326 |
| 2010-04-23 | Towers Watson & Co. | S | ▼−6,666 sh | $48.08 | ▼−$321K | 58,726 |
| 2010-03-04 | Towers Watson & Co. | A | +6,585 sh | $45.88 | +$302K | 6,585 |
| 2010-01-15 | Towers Watson & Co. | F | −1,307 sh | $47.97 | −$62.7K | 65,392 |
| 2010-01-15 | Towers Watson & Co. | M | −3,354 sh | — | — | 0 |
| 2010-01-15 | Towers Watson & Co. | M | +3,354 sh | — | — | 66,699 |
| 2010-01-01 | Towers Watson Delaware Holdings Inc. | D | −7,114 sh | — | — | 0 |
| 2010-01-01 | Towers Watson Delaware Holdings Inc. | D | −63.3K sh | — | — | 0 |
| 2009-09-15 | Towers Watson Delaware Holdings Inc. | F | −3,113 sh | $44.05 | −$137K | 63,806 |
| 2009-09-15 | Towers Watson Delaware Holdings Inc. | A | +2,332 sh | $44.05 | +$103K | 60,511 |
| 2009-09-15 | Towers Watson Delaware Holdings Inc. | A | +6,408 sh | $44.05 | +$282K | 66,919 |
| 2009-09-09 | Towers Watson Delaware Holdings Inc. | A | +7,112 sh | — | — | 7,112 |
| 2008-12-22 | Towers Watson Delaware Holdings Inc. | G | −220 sh | — | — | 58,229 |
| 2008-12-22 | Towers Watson Delaware Holdings Inc. | G | −50 sh | — | — | 58,179 |
| 2008-12-16 | Towers Watson Delaware Holdings Inc. | G | −110 sh | — | — | 58,449 |
| 2007-12-18 | Towers Watson Delaware Holdings Inc. | G | −30 sh | — | — | 50,634 |
| 2007-12-18 | Towers Watson Delaware Holdings Inc. | G | −30 sh | — | — | 50,724 |
| 2007-12-18 | Towers Watson Delaware Holdings Inc. | G | −70 sh | — | — | 50,564 |
| 2007-12-18 | Towers Watson Delaware Holdings Inc. | G | −60 sh | — | — | 50,664 |
| 2007-09-14 | Towers Watson Delaware Holdings Inc. | A | +1,526 sh | $45.03 | +$68.7K | 49,523 |
| 2007-09-14 | Towers Watson Delaware Holdings Inc. | F | −3,227 sh | $45.03 | −$145K | 55,754 |
| 2007-09-14 | Towers Watson Delaware Holdings Inc. | A | +9,458 sh | $45.03 | +$426K | 58,981 |
| 2004-12-27 | Towers Watson Delaware Holdings Inc. | G | −300 sh | — | — | 47,927 |
| 2004-12-27 | Towers Watson Delaware Holdings Inc. | G | −100 sh | — | — | 47,827 |
| 2003-11-11 | Towers Watson Delaware Holdings Inc. | M | +217 sh | $12.50 | +$2,712.5 | 45,918 |
| 2003-11-11 | Towers Watson Delaware Holdings Inc. | S | ▼−700 sh | $23.10 | ▼−$16.2K | 94,084 |
| 2003-11-11 | Towers Watson Delaware Holdings Inc. | S | ▼−300 sh | $23.12 | ▼−$6,936 | 93,784 |
| 2003-11-11 | Towers Watson Delaware Holdings Inc. | S | ▼−700 sh | $23.13 | ▼−$16.2K | 93,084 |
| 2003-11-11 | Towers Watson Delaware Holdings Inc. | S | ▼−1,237 sh | $23.15 | ▼−$28.6K | 91,847 |
| 2003-11-11 | Towers Watson Delaware Holdings Inc. | S | ▼−300 sh | $23.16 | ▼−$6,948 | 91,547 |
| 2003-11-11 | Towers Watson Delaware Holdings Inc. | S | ▼−1,600 sh | $23.17 | ▼−$37.1K | 89,947 |
| 2003-11-11 | Towers Watson Delaware Holdings Inc. | S | ▼−500 sh | $23.19 | ▼−$11.6K | 89,447 |
| 2003-11-11 | Towers Watson Delaware Holdings Inc. | S | ▼−8,600 sh | $23.20 | ▼−$200K | 80,847 |