| 2023-11-09 | Sale | American Tower Corporation AMT | director | 4,856 0.0011% | $183.57 | $891,416 | +7.86% | |
| 2022-10-28 | Sale | American Tower Corporation AMT | director | 1,231 0.0003% | $204.88 | $252,207 | -3.31% | |
| 2021-11-16 | Sale | American Tower Corporation AMT | director | 866 0.0002% | $260.50 | $225,593 | -1.54% | |
| 2021-03-05 | Sale | Waters Corporation WAT | director | 1,600 0.0025% | $263.31 | $421,296 | +28.93% | |
| 2021-02-09 | Sale | Waters Corporation WAT | director | 4,759 0.0076% | $282.39 | $1.34M | +21.47% | |
| 2020-06-08 | Sale | American Tower Corporation AMT | director | 1,950 0.0004% | $266.87 | $520,397 | -8.34% | |
| 2020-01-02 | Sale | Waters Corporation WAT | director | 10,388 0.0167% | $234.67 | $2.44M | -10.67% | |
| 2019-12-03 | Sale | American Tower Corporation AMT | director | 890 0.0002% | $211.21 | $187,977 | +15.78% | |
| 2019-03-01 | Sale | American Tower Corporation AMT | director | 1,538 0.0003% | $175.61 | $270,088 | +21.52% | |
| 2019-01-02 | Sale | Waters Corporation WAT | director | 1,416 0.002% | $188.65 | $267,128 | +18.49% | |
| 2018-05-22 | Sale | Waters Corporation WAT | director | 4,180 0.0054% | $195.77 | $818,310 | +0.35% | |
| 2018-03-14 | Sale | American Tower Corporation AMT | director | 845 0.0002% | $146.83 | $124,071 | +2.23% | |
| 2018-01-02 | Sale | Waters Corporation WAT | director | 2,772 0.0035% | $194.07 | $537,962 | +0.1% | |
| 2017-05-03 | Sale | American Tower Corporation AMT | director | 7,400 0.0017% | $126.87 | $938,838 | +10.95% | |
| 2016-01-04 | Sale | Waters Corporation WAT | director | 7,544 0.0094% | $132.18 | $997,141 | +5.16% |