Company | Symbol | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| WST | $123.03 | 4,458 | | 29,020 | 2019-04-30 | Filing |
| WST | $97.24 | 5,000 | | 29,020 | 2018-06-11 | Filing |
| WST | $93.31 | 4,124 | | 29,020 | 2017-05-02 | Filing |
| WST | $74.95 | 3,950 | Officer | 26,716 | 2016-06-02 | Filing |
| WST | $61.65 | 4,456 | Officer | 22,627 | 2015-11-04 | Filing |