| Mar 27, 2024 | HH | SSale | 466 | $49.49 | $23,062 | |
| Mar 26, 2024 | HH | SSale | 332 | $49.55 | $16,451 | |
| Mar 22, 2024 | HH | SSale | 789 | $49.32 | $38,913 | |
| Mar 4, 2024 | WAWillis Austin Chandler Chief Executive Officer · Director | SSale | 8,000 | $44.4949 | $355,959 | |
| Feb 13, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 1,178 | $49.7701 | $58,629 | |
| Feb 13, 2024 | FSFlaherty Scott B. EVP, CFO | SSale | 614 | $50.11 | $30,768 | |
| Feb 8, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 522 | $48.741 | $25,443 | |
| Feb 6, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 329 | $47.8609 | $15,746 | |
| Feb 2, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 522 | $49.5098 | $25,844 | |
| Feb 1, 2024 | HBHole Brian Richard PRESIDENT | AGrant | 500 | $33.3285 | $16,664 | |
| Feb 1, 2024 | FSFlaherty Scott B. EVP, CFO | AGrant | 500 | $33.3285 | $16,664 | |
| Jan 31, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 732 | $49.4472 | $36,195 | |
| Jan 31, 2024 | FSFlaherty Scott B. EVP, CFO | SSale | 121 | $50.01 | $6,051 | |
| Jan 29, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 766 | $49.7704 | $38,124 | |
| Jan 26, 2024 | FSFlaherty Scott B. EVP, CFO | SSale | 255 | $50.13 | $12,783 | |
| Jan 25, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 626 | $46.8696 | $29,340 | |
| Jan 23, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 2,271 | $46.4856 | $105,569 | |
| Jan 19, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 622 | $45.9867 | $28,604 | |
| Jan 17, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 694 | $46.5053 | $32,275 | |
| Jan 12, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 1,620 | $47.8646 | $77,541 | |
| Jan 10, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 4,078 | $47.6834 | $194,453 | |
| Jan 8, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 630 | $46.9977 | $29,609 | |
| Jan 8, 2024 | CB | AGrant | 5,000 | $47.54 | $237,700 | |
| Jan 4, 2024 | WCWILLIS CHARLES F IV Executive Chairman · Director · 10% Owner | SSale | 353 | $47.6567 | $16,823 | |